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will head fit?

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:)

I wouldn't recomend an E-31 for a turbo motor is what I probably should have said :)

Now for my NA 240Z, well I've been looking for an edge..... :)

If you were planning on pulling the Turbo and replacing the dished pistons with flat tops, the E-31 would be the better way to go. The P-90 has larger valves, and better to flow than the E-31 so you're probably better off to do some other upgrades and leave the head you have on there as is.

Bigger turbo and/or an intercooler would do more than good than anything.

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