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