I can sum up everything I have learned in the past few months in a short and simple answer.
If you run e85 and forced induction be prepared to either rely on meth injection to make up part of your fuel system, or fork out a good amount of money for a secondary fuel system.
I've seen a m6 car with a d1sc/cam/lt4 hpfp/lt4 injectors/headers put down 725whp with 8-9psi on pump gas and no meth injection.
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