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comptech SC running lean with E/TP/H

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Old 04-14-2010, 09:18 PM
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Default comptech SC running lean with E/TP/H

Just wondering if any other members are experiencing lean condition under boost with simple bolt on. Seems as though my OEM injectors are maxed out, no matter how high I crank the FPR my AFR's stay in the 13's in third gear around 6 thousand RPM and up. Thanks for your help guys. BTW I'm running a 7lb pulley
Old 04-15-2010, 05:55 AM
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Told you a few timed check that the voltage at the fuel pump is more or less the same as the battery at idle.
Old 04-15-2010, 08:17 AM
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I concur

And if that doesnt work, then ditch that fake chinese Walbro 255 for a real one
Old 04-15-2010, 03:23 PM
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Originally Posted by Irvatron,Apr 15 2010, 05:55 AM
Told you a few timed check that the voltage at the fuel pump is more or less the same as the battery at idle.
Just picked up a relay yesterday now i have to make some time for this mod.

I'm 100% sure the Walbro is real.
Old 04-18-2010, 11:50 PM
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just finished the fuel pump no improvement. still running lean. I picked up 440's and an emanage ult. ill have to see if this fixes the lean issue.
Old 04-19-2010, 12:26 AM
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what wideband are you using to check this?
Old 04-19-2010, 08:20 AM
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Originally Posted by \\s2kris//,Apr 18 2010, 11:50 PM
just finished the fuel pump no improvement. still running lean. I picked up 440's and an emanage ult. ill have to see if this fixes the lean issue.
Shouldn't need to go that rout at only 7psi. You have another issue somewhere. How many threads on the fpr are left showing above the lock nut?
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