hpfiend Posted November 22, 2013 Report Share Posted November 22, 2013 Hey all - I am looking at about 12.5 at idle and cruise and 11.5 under WOT. Is that too rich or about right? Thanks! Quote Link to comment Share on other sites More sharing options...
Cordell Posted November 22, 2013 Report Share Posted November 22, 2013 Doesn't sound all that abnormal for a carb, but I'm sure it could stand to be leaned out a little. I would shoot for somewhere in the 13s cruising and mid to high 12s under WOT. Most NA engines are pretty similar in this regard, just be aware that optimal timing would be different at the different AFRs. The more fuel takes longer to burn and would need more timing, so you may want to pull a few degrees and see how it does. Hence why tuning on a dyno is so nice. Quote Link to comment Share on other sites More sharing options...
hpfiend Posted November 22, 2013 Author Report Share Posted November 22, 2013 That could explain some things... I am running 15 initial and 21 centrifugal for 36 total. Thanks. It's running so well now I am hesitant to mess with it! Quote Link to comment Share on other sites More sharing options...
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