> Definitely do it before the event. Mineral oil is pretty broken down
> at 5,000 miles, especially in a turbo car. Also, the filter is likely
> to be pretty full of crap, perhaps so much so that the internal bypass
> spring will open and pass unfiltered oil through your engine (cheery
> thought, what?)
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What he just said..
> FWIW on a new car or engine I change oil at 150, 600, 1500, and every
> 3000 miles thereafter. It's a little extreme but that first change
> helps flush out the nasty bits created as the internal parts get run in.
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On all the Turbo Supra rebuilds I do (four this month) I do mineral
oil only changes at:
-20 minutes at 2K rpm
-250 miles
-500 miles
-2500 miles
The we allow synthetics (good ones, not found at Wal Mart) at 5000+.
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