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Old 12-08-2004, 13:10   #1 (permalink)
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Air fuel ratio for power

I've recently rejetted my holley HP DP from #73 prim and second, to #76 primary, #78 secondary, as my dyno AFR was leaning out to 13.8:1
I seem to have lost some performance. Does a leaner condition give more power? Can I increase total advance as it is less likely to ping now? Will more spark help with more fuel?
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Old 12-08-2004, 14:15   #2 (permalink)
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Re: Air fuel ratio for power

About 12.7->12.8 is where you want to be.

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