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Thread: BOOST VS N/A DEBATE: ROUND 1

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  1. #1
    Virginity Cure BABY J's Avatar
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    Why do you say that? There are more tuning variables in FI:

    compressor size
    A/R size
    boost pressure
    dynamic CRs
    etc.

    (I actually agree with you, I am just playing devil's advocate to see if I may learn something here)
    "I'm not a gynecologist... but I'll take a look."


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    Jay G. 1439/2000's Avatar
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    Quote Originally Posted by BABY J
    Why do you say that? There are more tuning variables in FI:

    compressor size
    A/R size
    boost pressure
    dynamic CRs
    etc.


    (I actually agree with you, I am just playing devil's advocate to see if I may learn something here)

    The stuff you listed is easy to sort out though.

    Low compression, more fuel, more boost= more power.

    You take a 1g DSM for example. 7.8 to 1 CR stock. Perfect.

    50 trim, 720cc, fuel pump, SAFC, 2g maf. = 350 to the wheels.

    You dont even have to mess with timing really. You just pull fuel and even peg rich its still putting over 100 more hp at the crank than stock.

    Listing A/R size and boost pressure and stuff like that is not really a tuning variable. You buy a decent sized turbo for the application. 2 liters you could spool a decent sized turbo. 50 trim for example. You take a wideband and increase boost until maybe 5% knock showing on like a datalogger and the air/fuel is 12 to 1 (or less until you get on a dyno if youd like).

    Its just easier with boost.

    Now with an NA car. You have to measure head gaskets and bore this and that and get these pistons to have this compression ratio and all that shit. Thats where it gets complicated.

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