Thread: 496 Running Rich

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I've tuned lots of Holley and Demon carbs----------you need to check if in fact yours has the ideeze in the middle and get a 4.5 powervalve, some jets and a holley blue gasket rebuild kit---for starters going down 3 or 4 jet sizes on the primaries and leave the secondaries alone. I'd be happy to guide you thru this but won't do it with any other posters involved. I'll help you on the club Hotrod site but just so you know you I am and what I've done, check around and then let me know


We won't be doing any Google search or talking to Summits tech line or cataloque

Originally Posted by jerry clayton

I've tuned lots of Holley and Demon carbs----------you need to check if in fact yours has the ideeze in the middle and get a 4.5 powervalve, some jets and a holley blue gasket rebuild kit---for starters going down 3 or 4 jet sizes on the primaries and leave the secondaries alone. I'd be happy to guide you thru this but won't do it with any other posters involved. I'll help you on the club Hotrod site but just so you know you I am and what I've done, check around and then let me know


We won't be doing any Google search or talking to Summits tech line or cataloque

My carb does have the idle eas. I've adjusted it before. I've had the blue gasket holly rebuild kit sitting around for a few months. I've got to get a 4.5 power valve and some 80 and 78 jets. It has 83s and a 6.5 power valve in it now. Nobody in town carries many Holley parts anymore so I'll have to order them.