Quote:
Originally Posted by KingLT1
I had my brothers C7Z tuned on E50 with Kong ported blower, 11psi pulley, Cordes 5" CAI, Borla Catless X, JMS pump booster. Injectors 5.7ms with stable high and low fuel pressure.
He went to a 2.1 upper, added a LPE big bore, and injectors went to 6.3ms but the fuel pressures were still solid. So the injectors were tapped at 12.5psi with E50.
2.1 pulley ended up being to small for the snout and locked up(I didn't install it), so we pulled the 1.74 blower off and waiting to install a Maggie 2300. Probably going to drop back to E40 and see where it's at and go from there.
A stock LT4 should be able to run full pump E85 no problem imo if the tuning is correct.
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Correct, and you'll notice I said on an otherwise stock (Meaning no boost added for the most part) you may be able to get away with 100% E85.