Originally Posted by gtswrx 
So was there really that much difference between +5 / -5 and +5 / -6???
can't tell by these charts because we didn't do back to back comparisons of those settings. however, retarding the exhaust cam gives more power across the board, so it should make a small difference. i went with -6ex because thats the furthest you can safely go with N1's and a stock block. ymmv
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