How much boost on stock internals? 1997 sti

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27 February 2009, 10:02 PM

ma_99

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How much boost on stock internals? 1997 sti

Its on 1bar at the moment, but my mates evo 8 is on 1.5 bar and its bloody quick. The forged pistons must be able to take some serious boost though right? What is the maximum boost i should set my car to?? I have a stock engine

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27 February 2009, 11:48 PM

eggy

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i had mine at 1.3bar , all standard on apexi fc ,but done a head gasket, not sure it was the extra boost that caused that, set up by A FORREST (330 bhp)