Quote:
Originally Posted by L0st
Dumb question...I've never ran E30 in a vehicle. If I got a jb4 is there anything else I'd need to run E30? I'm assuming if I were to be traveling and E30 is not available I can knock the tune down to E30 octane and be good?
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E20-30 should be within parameters of the stock fuel system, anything higher you would need to log and see where your HPFP starts to crash and/or you lean out and get knock.