09-05-2008, 02:04 PM
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CC Member
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Join Date: Aug 2006
Location: Jersey Shore,
NJ
Cobra Make, Engine: Superformance SPF#2572, 427 S/O 2X4
Posts: 379
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Not Ranked
Power Valve Sizing
The carbs came with the engine from the builder with 6.5 power valves installed. After getting my engine back into running condition, manifold vacuum measured 12 inches. According to what I've read, I should be running a 5.5 power valve.
What size power valves are you guys running in regards to your manifold vacuum?
What are the consequences of running a too high or low rated power valve?
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Peace through superior firepower...or is it horsepower? Either way, more is always better!
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