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Rough hp rating please??

This is a discussion on Rough hp rating please?? within the General Help forums, part of the LSx Technical Help Section category; Hi dudes, I'm buying an S&P LS1/T56 with the bare essentials to run. (no pwr steer, ac, etc..) It was ...

  1. #1
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    silver
    80' Opel Manta

    Rough hp rating please??

    Hi dudes,
    I'm buying an S&P LS1/T56 with the bare essentials to run. (no pwr steer, ac, etc..)
    It was shipped here (U.K.) in 2003 but never got used.
    I'm just trying to get a rough hp rating, interally it's stock, but i was told once that the difference on 305/ 325/ 345hp engines is mostley down to the intake.
    Any ideas??
    Cheers,Damo. falk5150@yahoo.co.uk

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    Member 2-bowties&abird's Avatar
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    cam/lt headers
    blue 2000 ws6 m6

    no power steering?
    305-t/a
    320-325-ws6 depending on year
    345-what they most likely made but were underated

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    80' Opel Manta

    re;hp rating.

    Yeah, its for a rod, so its got stand along harness, ecu remapped to delete power steer/ ac / emissions, i'm assuming. I'll know more when i get it home, but from what i saw theres just crank, alternator,w/pump an 3 idlers. to route the belt. Shs also got 4 to 1 headers.
    Damo.

  4. #4
    SS#430 1 of 74 7camaro7's Avatar
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    02SS6spd VERT!

    ALL LS1s have 350... in fbodies they're detuned with the baffled lid and baffled exhaust manifolds. If it's NOT a Vette and NOT rated at 350 its more detuned with restrictions.

    but all ls1s have 350hp
    Last edited by 7camaro7; 03-15-2008 at 03:41 PM.

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    Cheers dudes, much appreciated!
    Damo.

  6. #6
    Member 2-bowties&abird's Avatar
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    cam/lt headers
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    Quote Originally Posted by 7camaro7 View Post
    ALL LS1s have 350... in fbodies they're detuned with the baffled lid and baffled exhaust manifolds. If it's NOT a Vette and NOT rated at 350 its more detuned with restrictions.

    but all ls1s have 350hp
    news to me but thanks for the info. makes sense

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