zguitar71 Posted June 23, 2010 Share Posted June 23, 2010 Well I am in the final stages of tuning my new set up and I'm looking for some advice from any dcoe experts. I am currently too lean on the idle circuit. I started with the OER jets which were 60's and designed like a F13 and it was very lean. I moved to a Weber f9 55 and that richened it up but I am 2.25 turns out (from 2.5) on the mix screws and it misses when I lift on the throttle but not when cruising under light load. I am hesitant to buy the next size up without being sure they are big enough, I cannot keep buying jets and not have them work, too pricey. The OER's are 45mm and the venturis are 36's feeding a ported and polished head with 279/540 cam. I am guessing f9 65's will get me to 1.5 turns on the mix screws and no more missing on the throttle lift. Any opinions out there? Thanks Quote Link to comment Share on other sites More sharing options...
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