LanceM Posted October 19, 2003 Share #13 Posted October 19, 2003 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..... Link to comment Share on other sites More sharing options...
2ManyZs Posted October 19, 2003 Share #14 Posted October 19, 2003 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. Link to comment Share on other sites More sharing options...
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