Quote:
Originally Posted by Joshinator99
Port injection has nothing to do with the RPM capability of the engine…your stock valve springs are not going to tolerate any significant increase in engine RPM. If you want to spin harder, the valve train needs some work.
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Correct me if I'm wrong but my understanding that port allows fuel in the chamber for a longer cycle than direct injection. In returns allows you to rev the engine slightly higher. So with that addition you could stretch it out a little further.
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p1sc1 factory box w/ stage 2 intercooler, Lt4 fueling, JMS BAP, lt2 intake, kooks 1/78 longtube headers w/ h/f cats, alky meth kit, thpsi port injection
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