Buick 401 nailhead heads. The rings are the exactly the same/configuration.

Buick 401 nailhead heads Either way you choose, ARP has Cylinder Heads. He also tore down the heads to mill them and make sure everything checked out and resized the rods to make sure those were true. . From proper oil clearance measurement to making sure the valvetrain is serviceable after assembly, the details matter and Davin makes sure to get it right for this turquoise Buick. Jul 31, 2010 · @Dr. Please see the update here. How many different heads are for V8 Nailhead 53-56. The Buick nail head version number two was made from 1957 to 1966 Starting with the 364 had a 4. Buick Nailhead Nail Head Valve Rocker Shaft Cover Covers Set Dec 1, 2001 · A 401ci nailhead powered the first A-body Buick GS and paved the way for the dominating Stage 1 powerhouses of 1969-1974. The ’38 Buick with 320″ straight 8, 3 speed manual, and little 2 door body was a bit of a ‘muscle car’. If it has ported heads/cam, the gain Jan 7, 2010 · With the restrictive head on the nailhead would it be better to build a 401 instead of 425 as it will get more free flow exhaust. I'd just like to clarify the correct procedure. 401 Buick Nailhead V8, Headers in-stock with same-day shipping. 4". 39 and ran from 1957-61 the 400 actually was just a 401 with a different label 67-69 the 401 and the 400 had a bore of 4. On Oldsmobile and 455 Buick heads Joe Mondello and Edelbrock both raise the port floor, if I recall correctly Mondello claims a 15hp gain by raising the port floor level with the SSR. 100" as the stroke is 3. As from what I have learned & read about using aluminum heads to give the same performance as iron heads they would have to flow about 20%-25% better than what we have now & get a compression increase of about 1 1/2-2 points higher in compression to get the same performance as cast iron heads. If you are replacing valves in the 57-58 364 heads then we would use the larger ones for a 59-66 364-401-425. Buick’s Generation 2 series of this V8 was also called a “Nailhead” as its valves and head were still configured in the same fashion. I plan on installing the nailhead. Maibe i am wrong. 060 over to 413; Decked . “The best Nailhead porter I know is Mike Lewis of Pro-Tech, out of Fresno, CA,” Martin says. Jan 11, 2010 · Were there any after market high performance heads available for the 401 / 425 Bucik Nailhead ? Well the answer would be; Buick made less than 30 cast iron 'D' port heads and less than 10 aluminium heads However; on a garage tour the other day look at what we saw, STEEL heads made back in the mid 60's which were injected on alcohol. Is it correct to disconnect the vac advance line to the distributor, plug the line, then check and set timing while engine idles at around 550-600 rpm, or do you Nov 10, 2001 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today V8 Buick Nailhead Casting Numbers V8 Buick Nailhead Casting Numbers, 264, 322, 364, 401, 425. A well ported set of Nailheads flow at or above the level of an untouched Stage 1 455 head. Thanks for advice about heads,not to put new seats in the Famulos Nailhead. Talk to the experts. Jan 10, 2010 · Were there any after market high performance heads available for the 401 / 425 Bucik Nailhead ? Well the answer would be; Buick made less than 30 cast iron 'D' port heads and less than 10 aluminum heads However; on a garage tour the other day look at what we saw, STEEL heads made back in the mid 60's which were injected on alcohol. 979. 9% certain that internally it is untouched original from 1965 in my knowledge of the car, and there is nothing to indicate that it has had any work done to it. 322 8 3/8" 364 8 7/8" 401-425 9 1/8" Dec 4, 2008 · rebuld I am in the process of rebuilding a 401. O. The other car has 119614 on head. Call 800. In this version, the ports were less restrictive and the valve sized enlarged as much as possible within the potential “valve span” across the cylinder bore centers, with the maximum intake valve size Get the best deals for 401 Buick Nailhead Engine Complete at eBay. Box 5368 Kent, WA 98604 253-852-0584 Very high quality rebuilt/restored rockers and shafts Jan 24, 2018 · Our 401 Buick Nailhead engine is a good, unusual, high performance street rod engine with lots of torque, and with it’s own unique look. 600". Buick Specialties P. Find many great new & used options and get the best deals for Buick Nailhead Cylinder Heads 364 401 425 B1196914 (912) at the best online prices at eBay! Free shipping for many products! May 13, 2023 · Combining two Buick nailhead engines to build a well-dressed vintage hot rod V-8. 90 1957-66 Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today Find many great new & used options and get the best deals for Buick Nailhead Buick 401 425 Cylinder Heads at the best online prices at eBay! Free shipping for many products! Sep 15, 2010 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today Flaunt the power of your Buick Nailhead! The aggressive look and performance of this intake is sure to get the attention of every car lover, whether at shows, on the street or at the track. “He has spent months Mar 3, 2016 · The Buick Nailhead was among the best of the original postwar American V8s—and among the most misunderstood. The nailhead should have plenty of torque to smoke the tires. 60electra225 Active Member. The 322 Fireball V8 in a 1956 Buick Century. 22 bucks for the 322/264. Aug 24, 2013 · Hello, I just putted a MSD ready to run ignition in my stock 1960 Buick nailhead 401. Ours are 1/64" smaller than 5/8, which is correct. Which do you use? Head studs put less stress on the block and have a more even clamping force than head bolts, but if you want to remove your heads while the engine is in the car, head bolts are the way to go. Aug 2, 2024 · For sale is a four-barrel cast iron intake manifold for a Buick nailhead 401 or 425. Find many great new & used options and get the best deals for 1966 Buick 401 425 Nailhead Cylinder Heads Riviera Rebuilt at the best online prices at eBay! Free shipping for many products! Apr 24, 2023 · SOLDThis is an excellent set of reconditioned heads for a 364, 401 or 425 Buick nailhead engine. The BNH1 header set fits Buick Nailhead 364, 401, and 425 V8 engines in a variety of street rods, cars, and pickups. Also , is a 425 just a bored out 401. The engine now keeps running after turning the the ignition key to off position. Jul 23, 2011 · Did a full tune up today on the new 65 Riv I just bought, but have gotten some conflicting data on setting the timing on a Nailhead 401. However, the new Buick V-8 was light and compact overall and built with high quality forgings. Known for its distinctive valve covers resembling nail heads, this engine has become a favorite among car enthusiasts and hot rodders. I suggest doing some research on using aluminum heads. Sep 1, 2010 · Jim, Actual compression on my 401 was calculated to be 9. Nov 15, 2006 · I have a 401 that has a weiand dual four intake and weiand finned valve covers, Try Y hedders and the adapter bell for a lasalle trans. Apr 14, 2017 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today May 18, 2005 · Buick a lot of years ago i worked for Buick dealers. Apr 12, 2013 · I was looking online and read the article Nailing Down The Buick Nailheadthey said the 364, 401 , 425 heads were the same BUT the valves on the 57 and 58 364's were smaller. 25, but to make that figure, deck and heads would need to be shaved to near NHRA minimum. The #'s on the heads are 1374603 on what I think is a 66 Electra 225. May 13, 2011 · Pound It Into Your Head Nailhead cylinder heads are very sensitive, explains Martin, who suggests allowing only experts in the engine field to port the heads — you can actually lose horsepower if the job is done incorrectly, he explains. net website did the same (listed for both 401 and 425) but it's apparently a 401 engine code, not 425. Shop 401 Buick Nailhead Headers and Exhaust Manifolds and get Free Shipping on orders over $175 at Speedway Motors. Last edited: Apr 3, 2005 The Old Guy , Apr 3, 2005 Nov 27, 2024 · I have a set of heads for sale. GS go for without its nailhead and trans? Apr 2, 2005 · The 401 and the Dynaflow were both "bullet proof" by 63 , and I believe the "Nailhead" will make more HP then a small block ,unless you do some upgrading to the Chev. I just got some rod and main bolts from Chris Raschle at ARP. Just another source taken from the Team Buick site in their reference section. Performance shops also tend to thread 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 Smooth Flowing Nailhead Bill, Carmen Faso in NY does the Nailhead 1. People force in 5/8 ones that are too large and can fall out because of it. The rings are the exactly the same/configuration. If you have 1955 or 1956 heads with bad exhaust seats then the larger 1957-1958 364 valves can be used, same valve spring installed height of 1. Mar 9, 2020 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today Mar 15, 2014 · Re: Buick Nailhead Porting Post by GOSFAST » Sat Mar 15, 2014 4:34 pm Hi Nick, done a few "Nails" over the years and have found the heads will average 235/150 @ . The intake is sold as-is. Jan 23, 2014 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today Jan 26, 2004 · Home Forums > Engine Tech > 'Da Nailhead > In and effort to reduce the spam on the site, several years ago I had went to a program where I manually approve each and every new registration. Nov 19, 2006 · The Buick "nailhead" of the '50s and '60s was eventually discontinued and replaced with another excellent Buick V8. i like the older big engine because of the power they produce. While officially called the "Fireball V8" [1] by Buick, it became known by enthusiasts as the "Nailhead" for the unusual vertical alignment of its small-sized valves (Originally it was known to hot-rodders as the "nail valve", because the engine's Buick Nailhead, Engine Specifications and Blueprinting. The 64 1196914 65 401 head is a significant component in the 425 cubic inch V8 engine, specifically for the 1964-1966 Buick models. A goal of 390 hp will take some work. I don't know if it is a 425 or 401. They have been cleaned, magnafluxed, seats and valves ground and resurfaced. 020 to compensate for modern head gaskets; New cast pistons TA Performance Aluminum Intake Manifold for the 401-425 Nailhead, Spread Bore pattern for Quadrajet. Manifold casting #B1357106L was for 1964, 425 Buick. 365lbs of toque. You get way more than you pay for. May 1, 2016 · Curious what would be the recommended oil fill for a Buick 401 Nailhead engine with 98k miles. In the book it says 12 degrees for timing the ignition, but with the 12 degrees it did run very bad. 75″ intake and a 1. *Please Note 5191 is only 3/8" shorter than 5692 . This approval gives you full access to the site, to pictures, and to post, among other things. Offenhauser Nailhead Intake Notes Apr 4, 2011 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today We have had some customers that did not realize there were more than just short and long head bolts, some cars like 63-64 Riviera and all 1965-66 401-425 with AC use a special head bolt that is about 1/4" longer on the front passenger side, the bolt goes through the ALT/AC compressor bracket and into the head. Is this this a matter of unbolting the rod that the rockers are connected to and removing from the head, then pulling the lifters out, then the pushrods? Dec 11, 2009 · Hello Friends. Sticking with the one Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today Speedway Motors doesn’t sell cheap Buick Nailhead 401 HEI distributors, we sell Buick Nailhead 401 electronic distributors that deliver on our promise of quality without breaking the bank. I was thinking of using it on my 65 Riviera, but changed my mind. Get the best deals for Buick 401 Heads at eBay. Think like you wanted a 12-13 sec 64-66 riviera, or 10-11 sec skylark from that era. They have 7922-1 and R-2 stamped in them. 264/322 dec heights are the same as the stroke is 3. The Redline Rebuild Buick Nailhead has finally reached the assembly phase and Davin has decided it is a great time to share a few tips on how to prepare a short block. The bore diameters are the same for the nailhead 401 and the Buick 430, and the nailhead 425 and the Buick 455. May 5, 2012 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today Mar 5, 2019 · Mazzei started his machine work on the 401 cid Nailhead by getting the crank turned. General Specifications for the 1966 Buick 401 and 425 Cubic Inch Engines The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. Can any one tell me what these are and an easy way to tell them apart. Save buick 401 nailhead dual quad air cleaner to get e-mail alerts and updates on your eBay Feed. 127 stroke of 3. I live small town & highway drive to city a few times a week. John Get the best deals for Buick Nailhead 401 425 at eBay. Otherwise you have to pull the engine to get the heads off with head studs. 030" over 430 rings. Also weekend cruiser. 120" over 364 or ,330" higher than 264/322 as the stroke is 3. 364 401 Buick Nailhead Motor Mount Pair 1959 1960 NEW Pair 59 60 Engine Mount (For Mar 12, 2007 · I have a '66 401 that the boys at NAPA just rebuilt the short block & heads on. Discussion in ''Da Nailhead' started by 60electra225, Aug 22, 2010. Jun 26, 2014 · Here's an FYI for all you nailhead junkies. The head is generally the limiting factor in performance applications. in 1963 Rivera used a duel four barrel carb set up. Mar 22, 2010 · The 401/425 has a higher deck so the heads are farther apart. Nailhead cylinder heads are very sensitive, explains Martin, who suggests allowing only experts in the engine to port your heads – you can actually lose horsepower if the job is done incorrectly, he explains. 25″ exhaust valve, and even the later Wildcat 401 nailhead V-8s from the mid-sixties had valves that were much smaller than those used in Chevrolet engines at the time. Only the strokes are different. they produce a lot of tork and is a nice cruise engine. BEST Cylinder Head Gaskets PAIR/2 for 1957-1966 Buick 364 400 401 425 Nailhead. so far I have about $2800 invested. I have four heads for spare but the combustion area is not the same. 8:1 . Unlike Cadillac and Oldsmobile, the Buick division of General Motors was in no particular rush to offer an overhead-valve V8 in the postwar era. this is what I have done so far. How do you make them? As a heads-up, the 350 Buick HEI will drop right in the 215-300-340 engines excepting the need to use a shallow headed intake manifold bolt and maybe some slight grinding for clearance. no one seemed to have rod bolts for ( Part Type: Head Cylinder ) Review BUICK 64 65 401 Head 364 Cylinder 62 Nailhead 60 63 59 61 fits 425. 94 intake valve conversion (716-6934090). Buick's first generation V8 was offered from 1953 through 1956; it replaced the Buick straight-eight. 0122, 7am-10pm CST, everyday. 5. Thanks for any help. The 364 has a higher deck that the 322/264. Discussion in 'Parts For Sale' started by DualQuadDave, Jun 17, 2021. The casting number 1353241 dates to 1963, but the intake will physically fit 401 and 425 engines. 401/425 is higher by . May 8, 2022 · Update, May 8, 2022: The Nailhead rebuild discussed below had multiple issues and didn't even make it 2,000 miles. The 53 322 valves are shorter, no oversize available. It will be going into my 34 Ford (hopefully AC in the future) or maybe my 32 if the air conditioning option is not feasable Oct 8, 2020 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today Jan 23, 2010 · Hi, I have a nailhead 2x4 manifold with 2 original Carter AFB's (#3645 and #3646). I already have 325 gears in the rear end. Stud Set, Cylinder Head, ARP, Buick 401-425 Nailhead. Get a posi! Buick's are about torque so you need to hook up! No need for really low gears. Frankenbuick: Any recommendations on who makes a decent cam for the 401 and who does reliable head porting? Thanks for the checklist! @BigRivy: I'm not sure if I've driven a decent nailhead. We’re exactly what you’ve been looking for, a Buick Nailhead 401 Distributors distributor supported by racing and rodding experience since 1952 that Mar 6, 2005 · My 65's original 401 block has 1364705 casting # on it. I am just looking for a cruiser and will probably stick to stock specs. Have the heads ported by a Buick expert like Mike Lewis at Pro Tech. That's near where an original 401/425 from Buick would be as well, depending on manufacturing tolerances. Jun 7, 2007 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today It's also been reported that Buick used a higher nickel content in the heads, making them very durable. the head are very restrictive because of the small valves. You listed it in 425 block casting #. Distance between intake manifold bolts for different cubic inch Buick Nailhead engines. Christopher Campbell details the process from the November 2009 issue of HOT ROD Deluxe. Over the counter push in oil gallery plugs cannot be gotten in the correct size. These specifications should also be correct for the 1966 model year. All 1959-1966 364, 401 and 425 heads have the same ports and valve size; the 1957-'58 heads are the same with smaller valves Jan 6, 2021 · The stock cam durations used in Buick 401’s were prolly what we would call a 400 HP cam nowadays for a SBC… Buick had a better valves layout in the old OHV straight 8. 66gsconv nailhead apprentice. The V-6 units can be made up to fit using V-8 electronics and distributor gear. 364 is higher by . May 9, 2007 · Ok - I want to deviate from the sbc & sbf crowd so I am looking at putting together a 401 Nailhead. 030 to equal 406. $75 OBO Edited November 27, 2024 by more. 2". Nailing Down The Buick Nailhead . Includes camshaft snap ring. Speedway Motors has the best 401 Buick Nailhead V8 performance parts online. OR can a 425 heads be worked to flow free to over come the restrictions? Also, What would a good buick riv. 8 cu” with adjustable push rods, high performance camshaft, a billet front drive kit with A/C, aluminum finned valve covers and wire looms, nostalgia dress kit, nostalgia cotton braided and Nov 22, 2005 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today May 26, 2021 · A variety of different-sized engine brushes from 1/4- to 1-inch diameter are needed to access the main oil galleries, oil passages to and from the oil filter, lifter bores, and the small oil feed lines that run up from the lifter oil gallery through to the block deck, and finally through the head to the front rocker-arm bolt hole. They were removed from a 1965 401 Buick engine. I pulled the 352 FE from my 56 ford Pk. Jan 31, 2012 · Although the later heads can be swapped on the early engines compression would drop considerably because of the later having MUCH larger combustion chambers. And the work done by Dual Quad Dave of HAMB reads as: 1965 Buick 401 core ; Bored . So if you can't find those 0. The casting # is 1196914 They appear to be for a 63-66 364/401/425. 030" over 401 rings, look for some 0. We've been following the stories behind the aftermarket alloy heads and the aftermarket aluminum rockers as well. There's some pinging and she feels a little sluggish on the throttle at times, but overall I'm a huge fan of this Mar 6, 2008 · Head Flow Chart; Doc's Dual Plane Modifications; 1954 Blown Nailhead; Nailhead Oil Pump; Oil Consumption - 1964 401 and 425 Cubic Inch Engines; OE Nailhead Cam Specs and Street Cam Selection Guide; Buick Cam Specifications for 401 and 425 nailheads; Buick Cams from Kenne Bell, 401, 425; Nailhead Parts Interchange; Buick Engines Today Keep the RPM's under 5500. . This particular head is often referred to as the "nailhead" due to its unique intake port design. Please see our dual carb linkage in the accessories section. The Buicks. Jun 17, 2021 · FULLY PORTED BUICK NAILHEAD 401/425 INTAKE MANIFOLDS. Freeze plugs and oil gallery plug kits. Coming Soon 1962 Buick 215 Aluminum V8 - For Sale 1962 Buick 401 Nailhead - For Sale Soon! Jan 28, 2008 · After scanning the threads in the Nailhead forum plus some online searching I was unable to come up with clear ideas on how to make a 425cid nailhead engine into a 500+ HP monster. I am in CT. they should resist valve seat wear under normal operating conditions. Mar 16, 2024 · The Buick Nailhead engine is an iconic powerplant that was produced by Buick from 1953 to 1966. 401/425 heads are 123-125cc: 401 Head Gasket question. Nov 23, 2010 · Heads. The best Nailhead porter I know is Mike Lewis of Pro-Tech, out of Fresno, CA,” Martin says. Find many great new & used options and get the best deals for 1960 Buick 401 425 Nailhead Cylinder Head 1172889 Single Core at the best online prices at eBay! Free shipping for many products! Feb 5, 2002 · Jim, that's a geat deal on the Nailhead HEI. In summary, For most conditions, hardened seats aren't necessary in a Nailhead and can do more harm than good. Then putting it back on it mentions some cotter pins. the cam produced a a lot of toque. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Shop 401 Buick Nailhead Headers and Exhaust and get Free Shipping on orders over $175 at Speedway Motors. if this engine is to be used in a 1196546 - 401 block casting number for 1961 engines 1349046 - 401 block casting number for 1962 engines 1354714 - 425 block casting number for 1963 engines 1364704 - 425 block casting number for 1963 to 1966 engines 1364705 - 401 block casting number for 1964 to 1966 engines These displacements were verified by measuring the bore. I personally have spoken with Randy (Becker), president of Harland-Sharp and he told me they had an employee or two who attempted the rockers, but sidelined it due to the design. I am 99. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Buick Nailhead 401 425 for sale | eBay May 13, 2011 · Pound It Into Your Head Nailhead cylinder heads are very sensitive, explains Martin, who suggests allowing only experts in the engine field to port the heads — you can actually lose horsepower if the job is done incorrectly, he explains. new pistons, gasket set, recon rods, degrease block, bore block, new rings, new bearings, new cam, new lifters, mill heads, valve job, new valve springs, rebuilt oil pump, new rocker shafts, new timing gear set, and a balance job. Very little corrosion, not weathered. 030˝ and decked it, which made the 401 cid engine now 406 cid. Our engine consists of Sealed Power pistons +. I guess the castings are the same so you can hog them out to put in as big of valves as you can put in the 401 and 425. power (see edit history) Aug 16, 2013 · A 455 Buick and nearly all V8 Oldsmobile engines do the same. I have piston and rods for one engine and lifter ho is different i remember. 64". Unlike other performance parts retailers, we don’t stock cheap 401 Buick Nailhead parts, we offer a selection of 401 Buick Nailhead aftermarket parts that fit your budget, without sacrificing on quality. this a strong engine. I've always wondered what advantages Buick engineers saw in the unique cylinder head arrangement, and why the design was abandoned--and never replicated by any other manufacturer to Apr 4, 2016 · The first Buick nailhead engines (debuting in 1953) had a 1. At that drop airflow begins to break away from the floor and create turbulence. 125 bore and a 3. We have a great online selection at the lowest prices with Fast & Free shipping on many items May 16, 2003 · I recently found 2 nail heads in a junkyard. but the issue of valves and seats get Alternator Conversion for pre-1961 Buick; 215-300-340 Tech Info; How to Install a Rope Seal Correctly; Fixing the Offenhauser Intakes-322-364-401-425 Bolt Torque Spec's; Buick V8 Firing Order; Transmission Options for the Nailhead; T300 ST400 Wiring Instructions; Engine Vibration Problems; Rebuild or Refresh Your Engine; Nailing Down the Buick Alternator Conversion for pre-1961 Buick; 215-300-340 Tech Info; How to Install a Rope Seal Correctly; Fixing the Offenhauser Intakes-322-364-401-425 Bolt Torque Spec's; Buick V8 Firing Order; Transmission Options for the Nailhead; T300 ST400 Wiring Instructions; Engine Vibration Problems; Rebuild or Refresh Your Engine; Nailing Down the Buick Shop 401 Buick Nailhead V8, Headers and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Mar 12, 2017 · Engine: 1965 Buick 401 or as most affectionately know them by a "Nailhead" Usage: Highway & city. com. 18 bucks for the 57 to 66. Buick's like wide spaced gears, no close ratios. If you really want the big HP #'s use longer connecting rods, Pontiac rods easy to use but others work too. They are cheaper and better. He bored the block . That is the largest intake valve that will fit next to the exhaust valve in the Nailhead. They were advertised as 10. The service manual says remove the rocker arm bar but doesnt show how to do it. The 401 I own runs okay (I think). Most of todays nailhead-powered rides, though, are street rods or stock Apr 14, 2002 · Nailhead Parts Sources Ken Schmidt The Buick Bonery 6970 Stamper Way Sacramento, CA 95828 916-381-5271 "Previously owned" parts in absolutely the best condition I have ever bought. Here’s the story behind Buick’s powerhouse, including how it earned the name Nailhead. Jun 12, 2021 · Product spotlight:. Carbs were for 64-65 (info source Team Buick site). David Gaines stopped answering my phone calls, kept a full voicemail box, and wouldn't respond to e-mail until I asked for a comment for the video linked. Aug 6, 2003 · 65 401. Nice looking original condition. 3 days ago · 1965 or 1966 Buick Nail Head 401 425 - $1 (Rosedale, Calhoun, Rome) QR Code Link to This Post I have a complete engine and transmission that I believe it is a 65 or 66 model 401 nailhead. As such, the engine can perform to almost that level (smaller size). Feb 26, 2002 · Robin,<P>There are a number of specialists that work on the Nailhead. My head gaskets are the Fel Pro Perma Torque 1 (I believe thats the name), they are multi-layer steel and do not have the blue coating. Head studs or head bolts. ifpa hzci joazywx suur hzifcgp ngi wol njfdxn aogcl dcltnrnn lzubjt ioipd inxli camoh kmoh