997.2 + slicks, oil starvation?

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06-20-2017, 12:42 AM

#16

changster123

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Quote:

Originally Posted by XPC5

The DFI engine in the .2 cars has much more efficient scavenge of oil from the cylinder heads, which was the downfall of the m97 engines which had all the starvation/heating issues. I ran my '09 cayman s (dfi) on hoosiers for couple of track days and time trials on hoosiers, pretty hard, with no issues. Still best to keep oil fresh for each weekend, as the total volume is less than the mezger dry sumps.

Right on. Yeah I definitely change the oil after two track days. I would change after 1 day except I usually go to the track two days at a time to get more out of it.

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06-20-2017, 12:50 PM

#17

Tom@TPC Racing

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Quote:

Originally Posted by changster123

Is it true Hoosiers are around 2-3 seconds faster than a Cup2 on a 2min lap and slicks another 2-3 seconds?

It depends on the track and the driver of course. But 2 sec is plausible. Even though Hoosier is technically a DOT approved street tire it really is not. Its lightweight so its a thin tire that can easily be punctured from the smallest nail and road debris from street driving.