<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by meanken:
It sounds like it's jetted too lean. Have you checked the plugs? I would suggest stepping up the jets 2 sizes and try again. (also eliminate the possibility of a vac. leak) I'm running an 850 Mighty Demon on a 470 BBC with E-heads and solid roller. I blocked the power valves, and run it square jetted with 94s in it.
I know what works for Chebbies doesn't always work for Pontiacs, but it's worth checking into. </div></BLOCKQUOTE>
Well, I actually thought about blocking the power valves. My original holley had both power valves blocked. I checked for vacuum leaks there are none. With my cam I have about 6 inches of vaccuum. The demon has a 6.5 power valve in the front and non in the secondaries. I wonder if that what is causing my stumbling and missing?
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