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#1
04-22-2010, 08:26 PM
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Timing cover bolts
Can anyone tell me what the size of the bolts are for a 1974 400 timing cover Bolt size and thread I need to know
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1980 Trans Am Pro touring build All Detroit speed suspension tubular a arms, mini tubs, 2" lowering springs, solid body bushings, roll bar welded, smoothed firewall, corbeau a4 seats and harness C6 zo6 brakes 6 piston front 4 piston rear hydroboost brake systems 18x9 and 18x12 billet snowflake wheels and bf goodrich kdw2 tires Soon to be: 461 pontiac stroker 550hp with t56 magnum trans and 9" moser rear |
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#2
04-23-2010, 12:47 AM
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Well, timing cover to block are 3/8-16, with two 3-1/2" long and two 2-1/2" long. The factory studs are 4" long and are 3/8-16 (course) on one end and 3/8-24 (fine) on the other. Then there are nine 5/16-18 bolts that are 1-1/4" long holding on the water pump (other two bolts for the 11 bolt water pump are the large 3-1/2" bolts mentioned above). Only other bolts are the bottom four 5/16-18 bolts 3/4" long holding the pan to the timing cover.
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Mick Batson 1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon. |
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