#11

06-15-2023, 12:22 PM

scott70

Ultimate Warrior

Join Date: May 2002

Location: maine

Posts: 2,735

Quote:

Originally Posted by Formulajones

Kind of interesting how they did that in a 455, yet the RAIII 400 engine of 1970 just came with the 068 cam no matter what trans you chose. Considering the 068 would act much bigger in a 400 and wouldn't even put a dent in a 455.

Yes,,,when I bought my GTO the motor had never been touched internally. Still had the 068 'S" cam and nylon covered timing chain. With that cam it idled like a kitten but had a good low rpm pull. Now a RA4 sized cam with Rhoads and its only a little choppy,,,still pretty smooth.

__________________
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'

Last edited by scott70; 06-15-2023 at 12:28 PM.

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