Quick Fuel SS-780 tuning suggestions

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#7 (permalink)

11-21-2010, 01:43 PM

cdnus

CC Member

Join Date: Dec 2004

Location: toronto, ont

Cobra Make, Engine: 408w 500 h.p. 550 ft.lbs

Posts: 562

Not Ranked

I'm certainly no expert, but I think that is a vacuum secondary carb (correct me if I'm wrong) It sounds like you are getting the effect you describe when they are opening. Perhaps some spring adjustment is required to make the transition smoother. To me 12.5 is rich for W/O on a 2500? lb. car.

JMO

Craig

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