Quote:
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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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