| I have the pentroof manifolds with external wastegates and while I would agree that MSP manifolds for internal wasted are simply a easier and better choice. I had to go for even bigger power I would recommend Tial G35R external wastegated manifolds. [ http://www.twinturbo.net/nissan/300zx/forums/general/view/2422290/oem-location-gt35r-tial-flange-321-ss-manifolds-exist-now.html ] For ECUs. It really depends on what you want, for Supras they have been throught all those. AEM is popular especially now since it is not wasted spark, ProEFI has use of a backpressure sensor so you can adjust for that and it has a few outputs. Haltech has come a long way back from its E6K days but I simply don't have any info on the new Platinum Pro. But boost control, traction control, EGT/WB iPad/iPhone WifiX of the AEM attracts me, also the plug remote display and remote programmers are fairly cool as well. The AEM also has EGT based fuel trims for the Z32. However since you are running Ethonal maybe you want to look more closely at the ProEFI since it has the option to adjust based on your ethanol content level. It can adjust boot and fuel targets. Pro EFI has won over may AEM (before v2) customers as it was more reliable and didn't have as many hardware issues (we have seen AEM v1 hold open injectors and fuel lock the motor). So for me its ProEFI (maybe more if you are donig E85) or AEM .. I wouldn't bother with Haltech. And go with some T0M manifolds, and FMIC.
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