you would not believe how much material you can take out of the et head, i had AMT engines do me one on the flow bench, if anyone read the write up on the cover supra, in the engine spec, you can see andy @ amt developed the head for it on the flow bench, its around 1000bhp, and if anyone went to the jap show at the pod, there was a light blue skyline r32 on the whiff bitz stand, this has also had the head ported @ AMT, andy also made the huge plenum for it.
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 fj20/et a replacement for displacement
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