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  1. Safe boost on stock 3S-GTE?

    MR2 Forum
    Hi, I have a Celica with a 1995 MR2 3S-GTE motor in it. The engine it self is stock like internals like pistons and all. It does have a K&N air filter and a 3" exhaust. I bought a boost controller and was wondering what a safe boost would be. I don't care about the turbo, I just don't want to...
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