Buick Nailhead, Engine Specifications and Blueprinting - Team Buick
Buick Nailhead, Engine Specifications and Blueprinting. 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. These specifications should also be correct for the 1966 model year.
401 nailhead performance 'kit'? | Team Buick
2017年4月14日 · 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
Water pump Nailhead 425 - Team Buick
Moderator. Jul 25, 2016. #2. typically, you can use either, the more important consideration is if the pump snout is of the proper length so the pulleys line up. at least, that's the way it is with big block Buicks. i would double check everything else in the cooling system though. assuming the pump blades are still in good shape, it shouldn't ...
OE specifications for the 1963 401 and 425 camshafts - Team Buick
OE Nailhead Cam Specs and Street Cam Selection Guide. OE specifications for 401 and 425 camshafts. Remember, these are measured at .002", NOT .005" or .050"! CAM PART NO. 1185918. 1351515. 1359442. 1358100. 1362242.
How To Identify Buick 425 Engines - Team Buick
The Buick red nailhead engine appeared in 1965. Generally, if you are looking at a 1965 or 1966 red nailhead, you are looking at a 425. The exception is in the skylark. The 401 in the skylark was also red! Sometimes, the codes have been found to be missing or incorrect. Sometimes the casting number can be either a 401 or a 425.
401/425 Nailhead 2x4 intakes - Team Buick
2010年1月24日 · Hi, I have a nailhead 2x4 manifold with 2 original Carter AFB's (#3645 and #3646). Nice looking original condition. Very little corrosion, not weathered. Manifold casting #B1357106L was for 1964, 425 Buick. Carbs were for 64-65 (info source Team Buick site). I was thinking of using it on my 65 Riviera, but changed my mind. Sticking with the one ...
401/425 cam - Team Buick
2010年9月1日 · The 1.6 ratio is only with a cam lobe lift of approx. .250". When you start going to higher lobe lifts the ratio starts to go backwards VERY rapidly. As an average 401/425 cam advertises .441" lift. At the valve is is actually closer to .410" or so. And, the higher you go with the lobe lift of the cam the worse it gets.
BUICK NAILHEAD 401 COMPRESSION
Dec 7, 2020. #2. It is either a seal issue with the rings or valves, or a mechanical issue with the valve action (bent pushrod, loose/broken rocker, defective lifter, worn cam lobe (s).) Try a squirt of oil in the cylinder to rule out ring seal, and inspect the valve train components for that cylinder. See if the valves depress the same as the ...
oil pump and oil Pressure question | Team Buick
2015年1月23日 · so the test drives later this weekend will help tell us a better story. At a very slow idle with a warm engine in the garage (no road driving) the oil pressure is 5 to 6 psi. at very fast idle (carb screws turn for fast idle) with same temperature of warm engine (no road driving) the oil pressure is 30 psi.
322 nailhead /chevy truck questions - Team Buick
Mar 16, 2005. #12. Hey Guys. The 322 Buick Nailhead was the powerplant of choice in the middle to late 50's and was put in Chevy Duel Wheeled trucks since it was the only engine during that time period that had enough Torque to handle the demands of 4 tires & wheels on one axle. Some also may have had 2 speed rears.