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Old 11-22-2011, 10:34 AM   #67
Psychoreo
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Join Date: Jan 2005
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Location: Cromwell
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2015 WRX STI
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Quote:
Originally Posted by Schister66
As for the HG failure, does anyone upgrade head studs to ARPs before boosting higher than stock? I'm not sure if that's a industry-wide thing or not...
No one that I know of, unless they're putting in forged pistons/building the engine.

The studs/head bolts aren't the issue, proper cooling is.

EDIT: until you start getting into significantly higher boost pressures. Stock/stage2 aren't an issue.
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