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Old 04-13-2006, 10:01 PM
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Dual Quads on SBC - Tuning?


I was wondering if anyone could help me out with some info on setting up dual quads on a 327.

The engine is a '63 327, 10.5:1 CR, L79-ish cam(hyd not solid), Edelbrock C26 intake, Fuelie heads with a good head work. We installed 2 new 500cfm AFB's with progressive linkage, adjusted for the latest possible opening of the front carb.

The bottom end isn't that special, and it is super-rich at WOT(visible black smoke in the mirror). I would think the crank HP would be over 350 on this setup, and it is in a lightweight '32 Ford. My other '32 with a 300HP crate is much quicker/responsive with its singe 600cfm AFB.

Thanks in advance.

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Old 04-13-2006, 10:14 PM
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carb setup

[IMG i assume you're running off the rear carb?
mine runs off of the front one,no biggie,
,what's you're timing set at?, what type of dist.have you
got? ,black smoke...probably foul'd you're plugs
if timing and such is o.k.,rejet the carbs ,clean the plugs and try again
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