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Thread: Turboing a N.A engine.

  
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    f4af100uk's Avatar
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    Turboing a N.A engine.

    hi.
    if you can lower the compression enough and could get the right inlet & exhaust manifold would it be possable to turbo any engine?

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    Millen99's Avatar
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    Yes indeed mate it is. Either low compression pistons will be needed or you can have a plate made to go where the head gasket goes to increase the volume of the cylinder and therefore drop the compression.

    Like HPA have done on this R32 golf.....


    You would need to strengthen other parts of the engine if you wanted it to last though

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    like which?

    if i replace all of the gaskets with stronger one's then surely that shoule be ok?

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    David Ramsey's Avatar
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    Yes you can replace all gaskets but I'd suggest a head skim and possibly a cometic style head gasket if you want to run big power

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    It's not just a matter of "better" gaskets.

    Turbocharging, or supercharging, increases the effective compression ratio. That's why the basic compression ratio of a turbo engine is much lower than a non-turbo engine.

    In theory any 4-stroke engine can be turbo'd but there are lots of cases where a larger capacity version of the same basic engine will be a simpler route to extra power.

    If you want "big power" stick to tested conversions or get training as an engine development engineer.
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