1.9 rockers question
#11
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so if you if i raised my shift points to lets say 6000 would i get an increase only reving 100 more rpm'*? Because after i get my manifolds ported that is my next thing rockers and a pcm.
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Originally Posted by TJ'sblackbonne
so if you if i raised my shift points to lets say 6000 would i get an increase only reving 100 more rpm'*? Because after i get my manifolds ported that is my next thing rockers and a pcm.
and do the PCM first
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Stock valvetrain power falls off around 5500 which is why GM set the shift points there. If you raise the shift points without adding power (cam, rockers) you will be out of the powerband for 400-500 rpms which would hamper performance.
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Originally Posted by TJ'sblackbonne
5500?? You mean 5,900 right that is what mine shifts at.