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Estimated Power Gains...

This is a discussion on Estimated Power Gains... within the External Engine forums, part of the LSx Technical Help Section category; Hey I just ordered my LS6 intake for my 99 bird, and was wondering what type of hp gains I ...

  1. #1
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    Pewter Metallic
    1999 Trans Am

    Estimated Power Gains...

    Hey I just ordered my LS6 intake for my 99 bird, and was wondering what type of hp gains I will be looking at? I have a cam, headers, full exhaust with off-road X, lid and LS1 EDIT. The intake goes on thursday and they are gonna re-tune the PCM, but I have no idea what type of numbers I should see. Does anybody have any ideas?--Tony

  2. #2
    Senior Member SeVeReDiStOrTiOn's Avatar
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    05 Wrangler
    00 Z28 sold :-(

    Do the FRA mod and have the TB ported since you'll have the lid and manifold off anyway. With the cam and headers i'd think you'd see a good gain...i've heard that stock the gain is about 20rwhp, and is great for top end pull. With cam/headers you'll see more...hopefully. Go to the link for the FRA mod if you haven't done it yet...

    http://installuniversity.com/install...sity/index.htm Click on install documents

  3. #3
    member since may 2000 nhraformula's Avatar
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    black
    2000 nhra edition formula

    whats the cam size??
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  4. #4
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    Pewter Metallic
    1999 Trans Am

    .595/.601 232/236 duration. Had it installed today, picked up 18 hp and 15 ft lbs. Not to bad, about what I was expecting.--Tony

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