Buick 430 heads. Re-balanced and decks squared and cut to .

Buick 430 heads. Re-balanced and decks squared and cut to .

Buick 430 heads. version was exclusive (1967 only) to the Buick GS400, and a 430-cu. More power & torque. In 1967 the torque specification was changed to 65-80 and retorqueing was specified. The heads already had the shafts and rockers, I just wanted the new steel ones. There are NO cracks in the chamber areas. We have a great online selection at the lowest prices with Fast & Free shipping on many items! The 1382983 Buick 430 Heads are designed to work seamlessly with your existing Buick 455 engine, making installation a breeze. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Jul 24, 2011 · The Buick 430 engine is a good starting point for a 400 HP daily driver. Intake Manifold: SP2, CustomExhaust Manifold/Headers: Oval Feb 5, 2011 · Dear Team Buick big-block gurus, :shield: I have been trying to get enough preliminaries out of the way so that I could start asking the really big questions about rebuilding this 430 engine from a 67 Electra 225. TA’s Stage 1 Track Eliminator (TE) series heads incorporate our Stage 3 raised intake runner. The raised runner provides a more directflow to the valve resulting in additional CFM over the standard port (SE) head, approx. If the price is right Jul 7, 2004 · A Buick big block with alum. These heads are very hard to come by and are being listed as repairable depending on the capability of your local machine Mar 12, 2022 · 12lives Control the controllable, let the rest go I have been planning on a 455 for my 67 project, but a rebuilt 430 just popped up in my area. Aug 26, 2000 · Hi,just blew one of my aluminium rocker arms<BR>on my `67 430 engine with late 455 heads with the aluminium rockerarms. 5–5. The intake and exhaust port openings are CNC machine “matched” and have Aug 19, 2018 · Diabo says his crew discovered that the most important component in making power with Buick engines is the cylinder head. It is important that these specifications be strictly observed. I know its an oddball but it would be nice and different and I think it would look good in my regal. 100 61. I have a 70 455 SF code complete with stock 1231786 heads. 050, it will be hard NOT to make well over 500 HP and 550 TQ. 10 - 15 CFM on average. heads,but i found a set of 400/430 Aug 28, 2020 · $15000 spent at a knowledgeable shop that builds Buick big blocks on a regular basis will net you 600 plus horsepower, 600 foot pounds of torque. This is important, but for increased efficiency and power, "combustion dynamics" than come into play. And if you need the larger bore and displacement of the 455, pick up a 455 block to begin with. TA Performance Stage II Aluminum Heads for Buick 400/430/455 V8. When you use 430 heads on a 455 you must update the rocker assemblies to the later ones to allow the top end to be oiled through the push rods. Since the 400 is the smallest-bore version of the late Buick V-8, the larger variants of this engine family are much more Mar 13, 2017 · 430 heads by ammiller83 » Mon Feb 15, 2021 6:32 pm Why are these two sets of 430 heads different? You do not have the required permissions to view the files attached to this post. 7 L); and "big blocks" produced Sep 23, 2018 · Over-the-counter Stage 2 components were revised and though Stage 2 heads later became available, very few were sold to the public. Can I use standard 455 head gasket for this heads? Can I use 455 stage 1 valves on this heads? and at the end what will be my compression ratio with this modifications with 1974 pistons? Jun 17, 2018 · Bolting the 455 heads to the 400/430 block won't require that oil hole in the block to be be plugged, the 455 head will block that right at the head gasket. I can't say that this is true, however, later Buick 400, 430, 455 Engine Specifications Big Block Buick Casting Numbers Buick 455 O. Still hunting for the block casting number. 68 Quantity Add to Cart Description This Master Engine Rebuild Kit Includes: Complete Gasket set (Including seals), Pistons, Rings, Rod Bearings, Main Bearings, Cam Bearings, Oil Pump, Freeze Plugs, Cam Kit (Camshaft, Lifters), Timing Kit More Information Weight 60. com and purchase the valves. . TA’s Stage 2 Track Eliminator (TE) series heads again as with the Stage 1 TE heads, have the Stage 3 intake runner incorporated into the Stage 2 heads, producing one of the most powerful cylinder heads in the performance market. Performer RPM head is perfect for street Nov 24, 2016 · When installing 455 heads on a 430 block I needed to, Block the oil feed hole, purchased 455 lifters, push tubes, rockers, shafts and head gasket. 6:1 ratio rockers. 77 to 1 made 459 hp with iron heads, so 400 hp appears to be a reasonable assumption without blower and 560 hp with (40% of 400 is 160hp). Explore its specs, oil requirements, and service intervals for optimal performance. The two "big block" Buicks carried more traditional dome-shaped heads, but the design had retained the May 21, 2020 · Just got word from the machine shop that my heads are bad. fits all Buick big block 400-430-455 engines. threads. Oct 6, 2009 · The 75-76 455's had open port heads that are useless for performance. This cylinder head includes an adjustable rocker stud and guide plate set-up for use with small-block Chevy-style adjustable 1. TA Performance Buick Stage II aluminum heads. The 430 is a GREAT engine. The original design of the oiling system has more than a few issues, including small oil feed holes, misaligned bearings, and poor cam and lifter oiling. If i were to go with 455 heads which ones should I look for and which ones should I avoid? Found a set with casting number 1246322 but thats seems KBR- kenny betts racing complete line of engine parts for the 350, 400, 430 and 455 Buick. these are the most desirable heads buick made second only to "Stage 1 heads" add larger valves and they are exactly the The Buick “Big Block” series of 400, 430, and 455ci engines all shared a common stroke of 3. May 15, 2012 · My 430 block has a cylinder problem. Find many great new & used options and get the best deals for 1968 Buick 430 Cylinder Head Core 1231109 Valves Springs GS Wildcat Riveria at the best online prices at eBay! Free shipping for many products! 400-430-455 Headers - Standard & Stage 1 | TAPerformance. 1 & 2 Roller RockersHead Bolt/Stud Jan 1, 2011 · The stage heads are the standard 400/455 heads casting number 1231786 with enlarged intake/exhaust valves. Camshafts Street Cam Selection Guide 400/430/455 Poston Cams Grinds and Numbers 400/430/455 Kenne-Bell Cams Grinds and Numbers High 10's Secrets for Your Buick 455 Buick 455 Drag Strip Tests from Kenne-Bell Head Flow Chart Buick Staging Chart Differences Between 1970-71 And 1972 and Later Type Block Cam Nov 18, 2003 · Check with T/A Performance in Scottsdale Arizona for info on these particular Buick engines but I can tell you first hand that the 430 is a killer engine as is and don't think you'll gain anything in the head switch. Aug 21, 2011 · RG67BEAST Platinum Level Contributor The PD code is a 68 430. They had 11 head bolts and used the same pattern as the 198 (above). 00. By the mid-1970s, Buick shifted its focus to V-6s and turbocharging, and the 455 bowed out after the 1976 model year, thus ending the era of the powerful and refined big-block Buick V-8. All flow #s were at or converted to flow @ 10" of water. Do 67-69 430 heads fit and work properly with the 75 block and a B4B intake? And if they fit, any ports or valves job should be done? Please tell me what 400-430-455 Headers - Standard & Stage 1 These headers fit all production heads including Standard and Stage 1 as well as TA Stage 1 SE, Stage 1 TE and Edelbrock RPM aluminum heads. Both heads have the same casting number. The block is 40 over already. Some were before and after porting #s of the same head. Take your heads to the machine shop and have them enlarge the valve seats. With a set of TA heads with entry level porting, 10:1 static compression, and a cam with intake duration of 230* @ . They flow test heads on several flow benches to compare the numbers. Buick 430 "Big Port" heads. 900 inches. The large 68cc combustion chambers produce 9. Find great deals on eBay for buick 430 heads. These flow about 5% better than regular heads. 040, 4. External dimensions remained the same. Oct 25, 2023 · The Motortrend Buick build with 8. Feb 14, 2008 · Thought I would share the results of a number or recent builds, so we can compare and contrast the results of different builds, built by the same guy (me :TU: ) and tested on the same equipment (head flow and dyno). The Edelbrock #60049 Performer RPM Super Stock cylinder head is designed for 400, 430 and 455 c. Generally, the rule is that early heads can be used on later blocks but later heads will not fit early blocks. If fix the cylinder the 430 would become 60 over. Sep 21, 2021 · The single biggest weakness of any Buick engine is the oiling system. I saw a pair of heads advertised as 400-430 Rare large port heads The Edelbrock 60049 Performer RPM Super Stock cylinder head is designed for 400, 430, and 455 c. The same casting numbers were used for small and large valve engines. Buick engines. 040” bore) and feature a performance range of 1500-6500 rpm for great throttle response throughout the power band as well as top-end horsepower. The IDGAF Friday 430 Buick is back from the machine shop and after a quick overbore and hone, we clean it up and prep for reassembly! Oct 15, 2023 · 1968 430 oil mods Discussion in ' Street/strip 400/430/455 ' started by socal rider, Oct 15, 2023. anybody have info on this motor. i. The TA heads are more expensive to use and equip, but they are a better head IMO. 71-74 heads are much better, and 70 heads are a bit better still. . engine that I believe had the same heads as the 430. Sep 13, 2016 · Hi guys, I am looking to rebuild my 1975 455 buick. Dec 14, 2015 · Also is there anything else I should be checking via 70/71 455 heads on 430 oiling/cooling wise? I tried to search for more information online but have come up empty handed, any help would be much appreciated! thanks guys. New cylinder head bolts ARP Buick 455 This kit also fits Buick v8 430 engines. Dec 25, 2019 · A 400-cu. If you want to run the motor stock then the early motors are better but if your moding it then either is fine. Jul 4, 2005 · Yes. Re-balanced and decks squared and cut to Feb 8, 2010 · I have searched but came up empty. Nov 28, 2016 · I read a lot about 430 heads are prone for cracks. If it is out of a 69-70 Electra (70 was a half year 430/455) it should be closer to 500lb-ft output at a very low stump pulling 2200-2500rpm. 3 pairs $60 per pair for just heads. He did a fine job of cleaning up the ports on the heads. Your heads are disassembled, fully CNC ported including the chambers, given a competition Valve Job, decked, fully cleaned and reassembled using the May 27, 2004 · The 430 heads oil differently than the 455 heads so you will likely have to replace the lifters and pushrods. What are the weak points for a 430. Details Condition Used - Good Buick 430 heads. 1967 Buick 430 Heads Casting# 1382983, basic polished chambers and teardrop guides with stock valves. Buick Performance Crate Engines Buick Performance Crate Engines Buick 1968 and 1969 430 Factory Cylinder Head Set. TA’s Stage 1 Street Eliminator (SE) series heads are the easiest way to upgrade to aluminum heads, these heads are perfectly suited as a direct replacement for iron heads. these are the most desirable heads buick made second only to "Stage 1 heads" add larger valves and they are exactly the same. In the aftermarket world, TA Peformance has aluminum 455 heads with redesigned exhaust sides that enable Buick engines to flow more air than race prepped iron heads. This cylinder head includes adjustable rocker stud and guide plate set-up for use with small-block Chevy style adjustable 1. Get the best deals for Buick 430 Cylinder Heads at eBay. I can't say that this is true, however, later :: Home :: Online Catalog :: Our Products :: Services :: Reference :: Contact Us :: TA Wagon :: Induction :: Ignition :: Cylinder Heads :: Valve Train :: Rotating Shop Buick 430 Cylinder Heads and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. First year to use the large Stage 1 Jun 18, 2009 · In part two of our Epic Buick Dyno Thrash series we follow up our Buick 455 engine build by testing cylinder heads from Edelbrock and TA Performance as well as intake manifolds and camshafts - Car Sep 4, 2005 · BUICK 430 WILDCAT whats up any info on them? Non Pontiac Motors in Pontiacs Dec 8, 2015 · Iron Head Flow Comparsion Please post your IRON 430/455 flow numbers. BTW, if you look at the advertised compression ratio for a stock 430 or 70 455, it can be misleading. for 2 grand what do you think i should do. These heads were bred on the track but are also the perfect head for the ultimate street/strip combination. The large 68cc combustion chambers produce a 9. Shop with confidence. Punched it 60, 10 to 1 TRW's Chet Herbet cam. Oct 26, 2014 · I have a 1967 430, a friend went through it many years ago. And a Dyno test for tuning and recording engine output. They will all bolt onto your block. These 67 heads are known as big port heads. This will prevent attainment of the proper torque and will Mar 11, 2008 · Heads have small combustion chambers, 68 cc, for the best compression Buick big block heads. I was told it would be thin an over heat. By eliminating the dog leg style exhaust runner, spent exhaust gas is sent directly into the header tube resulting in quicker flow and more Jul 8, 2024 · Normally, in taking about cylinder head improvements, the conversation usually gets into head flow and porting to better achieve improved cylinder filling. Just require the hole in the head to be drilled or the lifters and pushrod changed. Save almost 60 lbs. Buick 401 and 455 Head Porting Chart This is an interesting flow comparison for various Buick head, valve and porting combinations. Does anyone know what size the combustion chamber Jan 27, 2020 · Good morning guys, I am looking for a pair of used aluminium heads for a Buick 430. in. Some 1968 heads with casting number 1384720 are big port heads. With the 430 heads Torques and Patterns for most Buick Engines The following torques and torque patterns were compliled with the help of Todd. 1875, and 4. Jul 28, 2008 · Re: Buick 430 heads--Any Good? Best thing I could suggest is to go to www. Is there a common spot where they mostly crack? This happens after engine ran too hot or it just Sep 11, 2010 · I have a set of 1967 430 large port cylinder heads that I'm selling. Any HEAD from all STOCK to all out MAX ported castings and what work that has been done to them. New quality rods, new high-end Pistons, new ported aluminum heads and roller rockers. These were the best for porting and flow when used with Stage I valves. SPECIFICATIONS FOR BUICK 400, 430, 455 ENGINES to obtain the figures listed below. Camshafts Street Cam Selection Guide 400/430/455 Poston Cams Grinds and Numbers 400/430/455 Kenne-Bell Cams Grinds and Numbers High 10's Secrets for Your Buick 455 Buick 455 Drag Strip Tests from Kenne-Bell Head Flow Chart Buick Staging Chart Differences Between 1970-71 And 1972 and Later Type Block Cam 1968 Riviera 430 Guys, Need some help. E. In 1965 The Torque was increased to 70-75. I have watched several of David Vizard' Feb 21, 2018 · Can I use them on my 1974 455 engine with 455 rocker arms and lifers etc. Some 68's had heads with slightly larger intake ports. here we go: picked up some bare 430 heads and am having a shop cut for bigger valves. 3 Apr 19, 2007 · well i am going to see if i can get the weld up headers they are cheaper, also i am not getting heads. What Heads Flow the Best? Through the years, Buick made numerous sets of heads for the 400, 430 and 455 engines. In 1966 the head went to 8 bolts, the torque continued to be 70-75. 4 51. Camshafts Street Cam Selection Guide 400/430/455 Poston Cams Grinds and Numbers 400/430/455 Kenne-Bell Cams Grinds and Numbers High 10's Secrets for Your Buick 455 Buick 455 Drag Strip Tests from Kenne-Bell Head Flow Chart Buick Staging Chart Differences Between 1970-71 And 1972 and Later Type Block Cam Jan 31, 2017 · 400, 430, 455 heads will bolt onto your block. com HomeTags> Oct 13, 2002 · There is no production overlap between the 430 & 455. off the front of your car while gaining up to 60 hp on a stock 455 V8. The modified exhaust runner, or lack of, is the secret to this head. The TA heads use shaft mounted rockers. If you cannot stick the edge of a dime between the valves they are stage 1 valved --otherwise standard. com and search the parts for sale section for what the running rate for 430 and 400 heads is. I. 75" exhaust valves, 68cc combustion chambers and high flow 215cc intake and 130cc exhaust ports. Are the 68 430s an interference engine? Got some help replacing the timing chain and compression is now 60psi in most of Thread by: Huckleberry1, Aug 8, 2013, 23 replies, in forum: Street/strip 400/430/455 Showing results 1 to 18 of 18 V8buick. The heads come with new valve guides, valve seats, and springs, making replacement simpler and more straightforward. there are some minor issues with pushrod diameter, bolt size and water passages but this swap is done all the time. So this thing has very few miles Apr 17, 2008 · Hell yeah get the Buick motor! It will already have good flowing heads (should be identical casting to the 455) with the bonus of high compression. fits all Buick big block [hidden information] engines. com STAGE 1 & 2 rockers fit all factory 400-430-455 Standard, Stage 1 and Stage 2 cylinder heads, as well as TA Performance Stage 1 and Stage 2 series aluminum heads. Because these heads incorporate all of the same exterior features as stock iron heads there are NO additional parts needed when upgrading to TA’s Designed for 400, 430 and 455ci Buick engines, these Performer RPM cylinder heads are available fully assembled and ready to bolt on or bare for use with your own valve train components. Here are the flow numbers @ 28" on a Flow Data 700 bench: . i dont have the funds for the alum. Then I can save up for a set of ta heads with the Jim W "entry level" porting and assembly so i can bolt them on. 1970 Heads have good compression, 68 cc. TA's Stage 1 or ED's, I have no preference. in. Let's start with the basics. Go to taperformance. Your Leader In: Buick Engine Parts and Accessories Buick Performance Engine Parts Buick Stock Replacement Parts 400-430-455 Big Block Buick Engines 215-300-340-350 Small Block Buick Engines 198-225-252 Buick V6 Engines 1986-1987 231 Turbo V6 322-364-401-425 Nailhead Engines Aluminum Rear End Girdles Oct 19, 2007 · How do I Know if my 1968 430ci in my wildcat has " big port heads". d. com 10-8-2010 For a while now, folks have been asking me to finish the page I did on this topic, on my website, but I figured a thread here would be Find many great new & used options and get the best deals for 1968 1969 Buick GS Electra 225 Wildcat Riviera 400 430 Cylinder Head 1382091 at the best online prices at eBay Australia! Torque specifications for 400, 430, 455 Big Block Buick Motors Nov 8, 2003 · Big valve 430 heads are best for an iron headed 455, I'm told. May 21, 2020 · Aluminum heads out of the box outflow even the best ported iron heads. 2:1 compression ratio with stock pistons. Pre-tightening is done by going around the Mar 12, 2004 · i am going to build a pretty stout 455 street strip full bodyed a/c 1970 skylark. Like I said, those heads are prone to cracking, so make sure you have the head you get checked by a good shop. 455 Head Comparison: Regular 455 head, Stage 1 and Stage2 heads by George Nenadovich Here is side by side comparison of 1970 455 heads. 310 inches, respectively. Dec 5, 2024 · Discover the impressive power and reliability of the Buick 430 engine. Dramatically outflow stock heads and have redesigned water passages for better cooling. Mar 25, 2018 · Hello wanted 430 Big Port heads maybe trade for 455 stage 1 heads for 430 Big Port heads Oct 21, 2024 · Cylinder head rebuild cost Pontiac - StreetThe Following User Says Thank You to Verdoro 68 For This Useful Post: Jan 28, 2003 · I have a set of untouched close chambered 1967-1969 Buick 430 "Tall Port" heads casting #1382983. Its not a big deal and is done frequently, and unfortunately, I'm not right up on the procedure. This set requires repair of the top areas showing 3 areas of stress cracks. Chevy roller rockers are less than 1/4 that. Multiply any of the #s by a 1. Covering Buick engines like the 455, 350, and 3800. What Heads Flow the Best? Through the years, Buick made numerous sets of heads for the 400, 430 and 1969 Buick 400 430 Cylinder Heads GS Electra Wildcat 1231109 1967 1968 Dave Kane 361 subscribers Subscribed Jan 8, 2018 · No, the Edelbrock heads use Chevy rockers. Because these heads incorporate all of the same exterior features as stock iron heads there are NO additional parts needed when upgrading to TA’s Aug 5, 2015 · I want to stay with a Buick engine but if im going to go all out with a girdle and custom pistons/rods id like to start with a good block. 67 conversion factor to get the flow @ 28" of water Sep 26, 2012 · So on the 430 heads on the side where the valley pan sits there is an opening right in the middle on top about the size of your thumb, but no cut out opening for it on the valley pan? Is there supposed to be an opening there? Nov 6, 2006 · head casting numbers I have a 72 riviera and my 455 (so I'm told) came out of a 72 buick electra 225, I've just started tearing it down and the numbers in the heads are 1231786 and on the same head towards the frount is 7 GM 0. All of these issues are easily fixed if you take the time to learn the proper techniques […] Nov 26, 2002 · need help with motor weights can someone tell me the weights of: 215-V8 225-V6 300-V8 350-V8 thanks for the help, Steve Customizable Options: Year/Make/Model* Bore Size* Rod Bearing Size* Main Bearing Size* $1,186. engines. Similarities between the 401/425 Nailheads and the 400/430 engines began and ended at the bore centers which were 4. This will prevent straining or as preventing thread damage. This engine have no much power, so I am thinking replacing the heads with earlier ones. I think I have an overall plan for this job, but . I also have 1382091 68 430 heads. Heads courtesy of Dennis Wheeler. Less then 5000 miles on them after V-job. The OE part numbers are: intake - 234604, exhaust - 234605, springs - 1383851 Heads in Bold are "Big Port" heads. Buick 400-430-455 Engine Specifications and Blueprinting General Specifications for the 1968 400/430 and 1970 Buick 455 Cubic Inch Engines. Oct 8, 2010 · 400/430/455 Block ID, Prep and Oiling mods&nbsp; Compliments of Jim Weise @ www. I've heard the heads can crack, and I assume they have the small oil passages. Apr 23, 2023 · Engine casting numbers for classic Buick muscle cars from 1962 through 1979. Intake and exhaust flow are improved to out perform ported iron heads. Check the V-8 board as those guys know for sure. The Edelbrock heads are easier on the wallet, and you can make great power with Oct 26, 2022 · Performer RPM Buick- CNC PORTED These are CNC ported versions of Edelbrock's 60049 cylinder heads for 455 Buick Using customer supplied heads. did this motor come from a 72 electra? Mar 12, 2016 · Gentleman, I have a 67' Buick GS 400 with a cracked head (my heads casting # 1377979). (See pics) Please verify with your machine shop on whether they are capable of the process of "Lacing". 225 V6 The 1964 and 1965 225 V6 use a torque value of 65-70. I own or owned most of the heads involved and have the flow sheets. Mar 6, 2008 · 1967-69 400 and 430 heads have the same combustion chamber as the 1970 455 and can be retrofitted with Stage 1 valves. In all cases, the left head is the same part as the right head, except for maybe a water jacket plug that has to be reversed depending on L or R side usage. Street, strip, competition and classic car. They take 60 pounds off the front of the car. Roller rockers for the Buick heads are up around 900. Head Swapping on the Buick 400/430/455 blocks "how to" There are 3 basic types of heads used on the Buick big block: type 1 - no core holes in center (1972), head matches early block type 2 - single core hole in center, head matches early block type 3 - double core holes in center and oblong holes in ends, head matches late block Note: The core or clean-out holes in the center are for casting Heads in Bold are "Big Port" heads. 125" intake and 1. Most likely a roller camshaft. Get the best deals for Buick 430 Heads at eBay. The big port's last 3 #s will be 720, 983 or 985. Referred to as "big port heads". The 430's final year is '69 & the 455 starts in '70. Looking around I see that the 455 heads are available and easier to find then 430 heads. v8buick. disassembled magnafluxed and cleaned. Intake Manifold: SP2, CustomExhaust Manifold/Headers: Stock, Rectangle Port HeadersRocker Assembly: Stock, Stg. If your looking for the stage 2 heads you might as well buy Aug 28, 2003 · Buick 400, 430, 455 Engine Specifications Big Block Buick Casting Numbers Buick 455 O. The engine is from a 67 Riv. Features include high-quality stainless steel 2. 75 inches. Torque Specifications for most Buick Engines. The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. I know N/A i didnt see any difference between my built 430 and 455 motors power wise so Im not worried about the difference in displacement. Contains 1/2 inch thread 12 short bolts 8 long bolts hardened washers and thread lube. Most post are for 430 heads on a 455 and the post regarding 455 heads on a 430 the TA Performance assembled Stage I aluminum cylinder head pair for Buick 430 and 455 models. $85 per pair heads and exhaust manifolds St Albert, AB Location is approximate Message Nov 12, 2009 · Stage 2 cam numbers are correct - the duration is wicked! that's why this cam does not develop enough vacumm to operate power brakes! auxilliary vacumm cannister required, or manual brakes needed with a stage 2 engine alone in a 455 (without the stage 2 heads, pistons), this cam does not really make huge power - it needs to breath alot better than even a ported set of stage 1 heads can offer May 4, 2024 · The heads decide to a 69-71 Buick 455. Oct 6, 2007 · Can anyone tell me what is the bare minimum work that needs to be done to my stock 430 motor, in my 1968 wildcat sport coupe, to call it a "stage-1" Oct 8, 2006 · I've got 430 heads off a 1967 wildcat and was wondering what would have to be done to install them on a 1972 455. com. Sep 15, 2000 · I ran into a guy in northeast Wisconsin who is into building Buicks and he studied 430 and 455 blocks in some detail and has put together his own jig for drilling oil passages into a 455 block so that 430 heads will properly work on a 455 block with 430 pushrods and lifters. if you have heads other than the 68cc head, you can mill them down to 70cc and put the valves in. I was finally able to go through all the shop manuals from 53 to 67. Buick 400, 430, 455 Engine Specifications Big Block Buick Casting Numbers Buick 455 O. Do I use the 455 pushrods, and plug the oilchannel on the 430 Jan 6, 2021 · The Nailhead's replacements, the 400 and 430, ushered in Buick's entry to the muscle-car era. The heads would go on a 1973 455. Buick Engine Stage I ChartStage I heads are the same as regular production heads with the addition of larger valves and firmer springs. is the true? I have an option to fix the 430 block. These specifications are for clean and only. variant was offered in the bigger Buicks. DESCRIPTION: Edelbrock Performer RPM Buick Cylinder Heads are designed for street/strip high performance use on 1967-1981, 400-430-455 C. Can’t find any reference for intake manifold though. Jan 22, 2006 · Here I go again not knowing what I'm doing. and yea i have a 68 430 wildcat engine that i am putting in my 67 buick special. Well dad didn't like the hot engine and replaced it with a stock 455. Buick 430 Cylinder Heads in-stock with same-day shipping. 0 L), and are known for their unique valve design and head configuration; "small blocks" produced from 1961 to 1982 in displacements from 215–350 cu in (3. [Or call TA Performance!] Sep 1, 2008 · 70 Buick 455 heads made November 17 and December 3 1969. Had them cleaned up and checked out. This sounds like a good idea as the 430 cumbustion chamber volume is the same or smaller than 70 455. there are a few minor Mar 4, 2006 · sean Buick 76 Buick Nut The later blocks are suppost to be stronger and the early heads are better for bumping up the compression. If it does, what does it mean and how does affect performance compared to a '69 430 The Buick V8 family can be divided into three groupings: "Nailheads", produced between 1953 and 1966, which came in two generations using different blocks in displacements from 264–425 cu in (4. 3–7. As far as benefits of the 455 - you'll only see them in '70. or purchase a 455 block an do it 30 over which will make it 461. Stock intake and exhaust manifolds bolt to some of them. '71 & on are "detuned" - lower compression versions - and your 430 will make more power than all but the '70 455. The 67 430 heads have casting numbers 1382983, 1382985 and 1372963. Stuck it back in his dads car. The 430 is a good motor and the heads/intake interchanges with the 455 so not much worry about either Jan 11, 2003 · I was always under the impression that the 430 heads I had were "big port" heads. Here on a SuperFlow 1020 the Stage 2 Street Eliminator heads going on an aluminum block build are flowing close to 400 cfm. Dry or dirty threads produce friction which prevents accurate torque. 74 STG 1 A true 455, built from An NOS shortblock assembly- fitted with TRW forged pistons in standard bore. This kit has enough bolts and washers to do both cylinder heads ARP part number 125-3601 Kit Instructions Oct 16, 2009 · what makes more power? 68 430 heads or 73 455 heads?. TA’s Stage 2 Street Eliminator (SE) series heads are based off the Stage 2 iron head developed by Buick engineers, and refined over the years through almost 20 years of experience. One set is Mar 26, 2008 · I found a great deal on a buick 430 big block wth 455 heads thats already rebuilt. These heads are largely interchangably. 000000 Application Buick Engine . The Skylark used the 400 cu. I have 430 block with 455 heads. The block i have is the 'double scallop' with oval water ports. <BR>now my question,are the steel rockerarms from the old engines fit into the 455 head ??? and do they have the ratio and size ??? and do i need a different set of p Jul 20, 2003 · Here's some information I found a while back on Buick heads: "Big Port" heads are as follows: 1967 casting numbers: 1372963 (430) 1382983 (430) 1382985 (430) 1382986 (430) 1968 casting numbers: 1384720 (400) 1382983 (430) 1382985 (430) 1384720 (430) These flow about 5% better than regular heads. The differences will be exhaust cross over passages, combustion chamber size, and valve train oiling. D. Find many great new & used options and get the best deals for 1-1968 buick 430 cylinder head,riviera,68,1969,69,400,455,electra,wildcat,heads at the best online prices at eBay! Free shipping for many products! Feb 24, 2017 · True Horsepower of Buick 430 Discussion in ' Street/strip 400/430/455 ' started by khaki06, Feb 24, 2017. Buick V8 engines (Minimum 4. i don't have the old valves Feb 3, 2009 · As I remember from my V-8 Buick days long ago, the desired iron heads are from 1967 430 cu. heads weighs less than a small block chevy with iron heads! Then again porting the heads myself would be almost free. 400-430-455 Iron Replacement Cylinder Heads May 19, 2020 · Hi ! If I want to install 1968 430 cylinder heads (1382091) on 1972 455 block (1238861). If you want the correct casting number, that will be more difficult. Jan 8, 2018 · And doing the 430 heads I have up with a hot tank and magnaflux to hopefully end in a crack free set with a three angle valve job to get it into the car and running. Take a look under the valve covers and look at the head casting numbers. However, I checked the Atlanta buick site for casting number info (1384720 and 1382091), and according to them one is a big port, one is not. Nov 16, 2024 · Buick 430 "Big Port" heads. Ray RG67BEAST, Aug 21, 2011 #3 Mar 25, 2003 · Other "Big Block" Head casting numbers - Notice these could have been both 400, 430, or 455 applications Feb 22, 2005 · 1st thing-first time buick owner ('69 skylark-yeah) 2nd thing-you buick guys are rich!! ordering parts is shocking!! 3rd thing - new to this chat room thing-please be patient. Notice how close the Stage 1 valves and they almost touch, you can barely fit a dime between them. I will have him do Heads have small combustion chambers, 68 cc, for the best compression Buick big block heads. Just gasket matching the ports of your heads and intake should make a big difference that a novice should be able to perform without screwing up too much. The diference in displacement resulted from the bore diam-eter, measuring 4. I want to do a roller cam setup but that is a lot of money too. ? I guess I must Block the oil passages on heads. dfgtx jqy lofyjuqx hztus xujtqlb jjrjo odndcb tfjozlu bim vfyfa