1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

48 IDa tunning Help + suggestions

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Old 09-17-07, 09:56 AM
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48 IDa tunning Help + suggestions

Street ported 12a

I am running 200 Main 150 Air compensators with a 24 deg advance at 4000RPM

I just got a Wideband and it seems that I am leaning out at higher rpm like 10.2 AFR

I am thinking that this might be a float level problem.. let me know what you think cause after running 175 main and 160 Air comp, I am lean down low but good at higher RPMs 13.6 - 14.1 but I know I can make more power with a bigget jetting setup...

Any suggestions and advice would be greatly appreceated..

Max
Old 09-17-07, 10:03 AM
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fuel issues such as pressure and incorrectly set float. This is one of the reasons why Im switching to a "fuel log" instead of "fuel pressure regulator" in my next set-up along with holley blue. This will require a return line.
Old 09-17-07, 10:05 AM
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10.2 is not lean thats rich. you want to be in the 13's for a N/A
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