Quote Originally Posted by Ken1960 View Post
......doing ok but idles a little lean and when driving normal runs rich can't figure out how to dial in just right , I put some 80 in front other day and ran great afr was dead on , but my builder said take out put others back on n afraid to much heat in cylinders he said that we're they were the coolest with 83 jets in there on Dyno
Are you running a full time AFR indicator that you're watching for your rich/lean data? If not an AFR what are you using to make your rich/lean call?