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Thread: Tuning advice
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02-29-2008 #1
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- Join Date
- Aug 2004
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- Colorado
- Posts
- 397
Tuning advice
OK, I just hooked up a Innovate LM-1 to check my A/F ratios. It confirmed what I suspected, I am running rich. Idle seems OK at around 14.9. Cruise and under power are rich, 12.6-13 and 11.8-12 respectively. These numbers are aproximate, I have been looking out of the corner of my eye to get them. Should I got straight to the primaries to raise the cruise ratio or is there another curcuit I should start with? How much will this affect the WOT ratio before I mess with the secondaries? Approximately how many tenths of a point in A/F ratio will each jet # change? I am running a 3310 with a Proform main body and secondary main block(adjustable jets as apposed to metrering plate) now. I would like to get this carb close and gain tuning experience. I will be using a 4779 mech. secondary with the HP main body next, and this will be the one I really want to get right.
Thanks in advance, Brett
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