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  1. Forced induction questions for 4.0 sohc

    I have an 01 ranger with the 4.0 sohc, and I'm trying to find info about forced induction on these motors, the general consensus is that on 91 octane the stock motor can handle 6ish lbs of turbo boost reliably. The question I want to know is would the motor tolerate more boost if I put it on e85...

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