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Power gains on these mods

This is a discussion on Power gains on these mods within the General Help forums, part of the LSx Technical Help Section category; hi, can anyone tell me what power gain i can expect (not absolute,but ball park figure) by adding the SLP ...

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    1998 t/a ram air-ws6

    Power gains on these mods

    hi,
    can anyone tell me what power gain i can expect (not absolute,but ball park figure) by adding the SLP loudmouth system,SLP smooth lid and an LS6 intake,on a 98 ram air.
    I have already added a K+N,de-meshed the MAF,and cut short the EGR pipe into the LS1 intake.
    I recently had my WS6 on a rolling road,and i am not sure if the figures are correct.it quoted 406bhp,but i am not sure if this is flywheel,or RWHP.
    Any ideas?

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    member since may 2000 nhraformula's Avatar
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    2000 nhra edition formula

    about 20 rear wheel horsepower.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

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    STAY PUFT thecorrectformula's Avatar
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    Navy Blue Metallic
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    No way your at 406 with those mods. I'd guess maybe 330 RWHP

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    i didnt think it was correct...........
    judging by the figures i have seen on other t/a's it seemed too high!

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    so would that mean my figure of 406 is flywheel power?

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    STAY PUFT thecorrectformula's Avatar
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    No I'd guess maybe 350 to 365 at the flywheel and that's a high guess. What do you mean by rolling road. A Dyno??

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    How could it be 350 flywheel hp when these cars come form factory with 345-350 flywheel hp the 325 rating is underratted, i would say with those mods like 365-375 flywheel hp which is like 320-335rwhp.

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    member since may 2000 nhraformula's Avatar
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    guys, ratings overseas on thier dynos are different from ours.
    notice the poster who asked the question is from england.

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