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thstone · 11-15-2015, 07:21 PM

Update for Post #93 from 11/26/2011:

The engine lasted until 146,000 miles and 85 track days with over 20,000 shifts at redline (and a couple of downshifts that were slightly above redline!!). Original IMS. Final failure was a broken valve lifter.

Do you worry about taking your engine to redline once a week? I did it 5 times per lap x 12 laps per session x 4 sessions per track day x 85 track days. And then, it finally broke.

11-15-2015, 07:21 PM	#105
thstone Certified Boxster Addict Join Date: Nov 2010 Location: Los Angeles Posts: 7,669	Update for Post #93 from 11/26/2011: The engine lasted until 146,000 miles and 85 track days with over 20,000 shifts at redline (and a couple of downshifts that were slightly above redline!!). Original IMS. Final failure was a broken valve lifter. Do you worry about taking your engine to redline once a week? I did it 5 times per lap x 12 laps per session x 4 sessions per track day x 85 track days. And then, it finally broke. __________________ 1999 996 C2 - sold - bought back - sold for more 1997 Spec Boxster BSR #254 1979 911 SC POC Licensed DE/TT Instructor Last edited by thstone; 11-15-2015 at 07:27 PM.