Quote:
Originally Posted by KingLT1
E60 won't be a problem as it's been documented and proven. Above that you may be still ok depending on the percentage of E at your local pumps. Around here I see consistent E78. I am going to see what mine does on E78 @ 8psi with LT4 injectors, LPE big bore, ZL1 tank/JMS BAP, stock cam.
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I run e70 up to 12psi with no fuel problems. When I went to 14psi, injectors tapped out.
I need to go back and check, but I think I was running e75 or so with 8-10psi. You aren't going to have any problems at 8psi...the first thing to run out was the low side pump (then I added the BAP)...which moved the bottleneck to the injector.
For winter, I have dropped back to 10psi about 730whp only because I may fill with 93 octane until I start driving again.