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Forced Induction Finished Builds

Originally Posted by esfourteen based on the AFR on the sheet, e85 for the 13psi run and I assume 91 octane for the 10psi run (since they are in cali)

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Old 04-29-2014, 11:58 PM   #1 (permalink)
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Originally Posted by esfourteen View Post
based on the AFR on the sheet, e85 for the 13psi run and I assume 91 octane for the 10psi run (since they are in cali)
Both are on 91 octane. My boost controller has two settings, 10psi and 13psi (both same tune with 91 octane)

Sebastian at Specialty Z said that he thought a bigger fuel pump could bump up the HP 50+ because the AFR (middle chart line) was showing a big drop in fuel pressure or fuel starvation at higher RPM.

Next step for me for sure. That will address the leaning out at 13 psi above 5k RPM
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Last edited by Wattles; 04-30-2014 at 12:04 AM.
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Old 04-30-2014, 09:31 AM   #2 (permalink)
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Both are on 91 octane. My boost controller has two settings, 10psi and 13psi (both same tune with 91 octane)

Sebastian at Specialty Z said that he thought a bigger fuel pump could bump up the HP 50+ because the AFR (middle chart line) was showing a big drop in fuel pressure or fuel starvation at higher RPM.

Next step for me for sure. That will address the leaning out at 13 psi above 5k RPM
ah sorry for the assumption, that makes more sense, I saw the 12AFR which is usually what is aimed for with e85
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