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Difference between ls1 vette engine and ls1 f-body engine?

This is a discussion on Difference between ls1 vette engine and ls1 f-body engine? within the General Help forums, part of the LSx Technical Help Section category; Originally Posted by SeVeReDiStOrTiOn 97-99 were also drive-by-wire....guess GM was too cheap to put it on the fbods Thank god ...

  1. #21
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    Quote Originally Posted by SeVeReDiStOrTiOn View Post
    97-99 were also drive-by-wire....guess GM was too cheap to put it on the fbods
    Thank god too. I like knowing where my throttle plate is.
    That way you don't have to worry about the PCM playing "the man" at WOT.

  2. #22
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    Accesory drives

    The corvette and the fbody have different accesory drive belts. The f body will also use a different underdrive, if you fit one.

  3. #23
    Member danziger's Avatar
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    Quote Originally Posted by 9T8W66 View Post
    All 2001-2004 LS1's are identical doesn't matter what car they were in (F-body GTO Corvette) their only differnce is intake and exhaust plumbing for the differnt chassis and the Vette had ETC.
    `97-99 Vettes are same as `98-`00 F-body LS1's except for ETC lack of EGR system and a different camshaft (the F-body cam has more lift but less overlap)
    2000 Vettes got the same cam as the F-body but with a tighter lobe spread.
    Ding! We have a winnah! The Corvette had a slightly different cam, which was actually also installed in some late 1998 F-body due to lack of stock. The Vettes have a slightly better exhaust, but have more parasitic drivetrain loss. The engine differences are inconsequential as the Vette's main advantages are weight and aero...

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    Quote Originally Posted by danziger View Post
    Ding! We have a winnah! The Corvette had a slightly different cam, which was actually also installed in some late 1998 F-body due to lack of stock. The Vettes have a slightly better exhaust, but have more parasitic drivetrain loss. The engine differences are inconsequential as the Vette's main advantages are weight and aero...
    Why does it have more parasitic loss? The vette that is...

  5. #25
    Firebird Encyclopedia 9T8W66's Avatar
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    Quote Originally Posted by 5.0stang View Post
    Why does it have more parasitic loss? The vette that is...
    IRS soaks up more power than a live axle.
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    Member maxpit's Avatar
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    What is the difference between an LS6 and an LS1 besides the cam and intake?

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    Better cylinder heads, better cylinder-to-cylinder cooling in the block (I beleive), improved PCV system, bigger MAF, lighter sodium-filled valves, better valve springs (good to .575 lift)....

    I'm sure there are other improvements, but that's off the top of my head.

  8. #28
    Member danziger's Avatar
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    Quote Originally Posted by 5.0stang View Post
    Why does it have more parasitic loss? The vette that is...
    As posted above, the IRS is the main culprit, but I also think the increased distance to the tranny (via the torque tube) may also sap a few HP.

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    I just don't see it sucking up to much power, I would call it negligable, but what do I know

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