looking for another oil cooler

ChrisSlicks · 06-17-2011, 12:46 PM

Quote:

Originally Posted by phunk

Call uprev and ask them about it. They told me last year but I can't remember the details. It was either at 200 or 220 it starts going conservative. I can't recall if it was timing or valve lift or both or what... But the results were a drop of 10-15hp pretty early and worse as it got hotter.

The power reduction is absolutely noticeable. It's why i initially asked about it, because the car is noticeable slower somewhere just past 200. I have to call uprev tomorrow anyway, I'll ask for the details since it's left my mind.

The oil temp is largely irrelevant, however it is an indicator of what the engine block and head temperatures are at, as well as intake temperatures which will have an effect on combustion. So yes, there is a correlation but it is not direct.

The interesting thing I discovered was that on track straight-line speed was roughly the same after 20 mins as it was in the beginning of the session, however climbing hills under load there was a noticeable loss of power especially in the lower RPM band. Would be interested to see why the low RPM is effected more.

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