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07-13-2003, 09:47 AM
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#1 |
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Registered Member
Join Date: Sep 2002
Location: TEXAS
Posts: 161
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My friend is Running WAY lean
We went to the dyno yesterday, my buddies got a 340HP Ford Crate motor in his 93LX hatch.
he pulled 271hp and 294 tourqe at the wheels, But his power curves were not smooth, and his Air/Fuel readings were starting out at 19:1 and finishing at 15:1. I was told that was running way too lean and 12:1 was where it should be. he's running 24' LB injectors, 65mm TB, C&L powerpipe with 76mm Mass Air. The problem is we have his FPR cranked to 55psi with the vacuum off!!! and that is way too much, but its still running lean  I know the FPR doesnt make that much difference, so what could be wrong? The computer, or the mass air's not calibrated? what should we do...Oh I pulled 251 and 290 at wheels with no cam, and Iron heads  in my ride |
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