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PKRWUD · 09-24-2006, 11:11 AM

The Holley #4779 series of 750 DP's only had one PV, and were jetted accordingly (most were 70/80). If your plugs are bright white, try increasing them to 82's, but don't go any higher than 84's.

09-24-2006, 11:11 AM	#8
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	Re: Could it be THIS simple? The Holley #4779 series of 750 DP's only had one PV, and were jetted accordingly (most were 70/80). If your plugs are bright white, try increasing them to 82's, but don't go any higher than 84's. __________________ Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local RED & WHITE!