Quote:
Originally Posted by Westersund
That's some really good numbers with stock internals. I know the stepped headers add around 10-11 hp compared to the stock Euro one's, how much difference does the dry sump do? Do you have underdriven auxiliaries? No cams?
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Added underdrive pullies.
Stock cams.
I’ve heard the dry sump vacuum (10 in/hg) frees up about 10 hp on an S54. I didn’t verify.