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Old 11-30-2010, 04:03 PM   #24
RexFTW
Scooby Specialist
 
Member#: 107179
Join Date: Feb 2006
Chapter/Region: MWSOC
Location: Bensenville, IL
Vehicle:
S4, WRX
1.27 60', 9.37 1/4

Default

Before I had a piston finally let go at a total of 114k miles, over 85k modded miles:

~38k miles at ~22 psi on my 20G making 285tq/325whp 93 octane and
~7k miles at ~26 psi on my 20G making 335tq/360whp 100 octane

I don't think the piston would have failed at that time if I didn't use 100 octane from a pump as I suspect bad gas.
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