Quote:
Originally Posted by Formulajones
Looks good. That's pretty much how I've done them with the notch in a short spacer etc...
With one small exception. I kept the front bores a little smaller to closely match the throttle bores of the Q-jet as per how Jim Hand did it. I think the theory was a little more velocity and better throttle response, but I haven't noticed much difference either way.
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Smaller on the spacer?? The bores on the intake primaries are pretty much stock from about 12 to 3 oclock on the right and 12 to 9 on the left. And the secondary holes are stock in the back part. Pretty just went from the factory holes and blended the sides. If you look at the left primary you can tell the grinder never even touched that at all around 12 oclock position. Hopefully didnt lose much on the throttle response.
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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. 8.64 @ 87.3 mph on slippery street tires.Bad 2.25 60ft.Owned since 86'
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