Z1 headers + Motordyne Manifold

DEpointfive0 · 03-29-2014, 10:49 AM

Quote:

Originally Posted by LostSol

The car will be unreliable with an intake manifold without a tune. Thats what I was told by Z1. If you cant get a tune, I would stay right where you are and not add any more bolt ons.

Quote:

Originally Posted by LostSol

Personally, I would never mess with a pulley, if the replacement a few grams off of balance, it could cause long term issues with the engine. THAT BEING SAID, some people will say what I just said is BS, and that it wont hurt the engine, and im sure one of them will comment on here with a suggestion.

I will however suggest a lightweight flywheel if you're looking to rev faster.

Sorry, a lot of bad info here.

You do not NEED a tune, just let the ECU work it out for 100-ish miles before you stomp on it. If the A/F ratio is off, you'll get a CEL, if it knocks you'll get a CEL. Both of which are rare if not non-existant occurrences. ESPECIALLY for a single added bolt on mod. I have every bolt on mod for the 370Z, Momentum headers. TPs, pulley, the lot. Only CEL I have had was for the TPs. And before the headers I put down 322WHP in 4th (hit the speed limiter in 5th) and on an auto.

Engine is internally balanced. If you think the cast iron, mass produced and cast OEM one is balanced, I need what you're smoking.

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