Quote:
Originally Posted by AMES-TECH
scott70 you are correct, these are the correct contour but the area where it contacts the bearing is different. I'm not aware of Chevrolet being different originally, Chris could be correct on this though. We've found that this does not cause any issue concerning functionality. Sadly there is not a correct reproduction with the curved surface.
Thanks!
Kyler @ Ames
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OK thank you. So it sounds like most or all GM originals may have been curved and then repops they made them flat but seem to work. So when they made pontiac specific forks (whenever that was) they just didnt add in the curve. So yes whoever has the tooling to stamp these adjusted to make them pontiac specific but the tooling for the curves were never there for aftermarket so they kept them flat.
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007
(cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD
1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.45 @ 88.1 mph on slippery street tires.Bad 2.19 60ft.Owned since 86'
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