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i have a few questions about the lsx motors

This is a discussion on i have a few questions about the lsx motors within the Internal Engine forums, part of the LSx Technical Help Section category; how much HP can the block handle is the block a 4 bolt main is the aftermarket as big for ...

  1. #1
    nightstalker50
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    i have a few questions about the lsx motors

    how much HP can the block handle
    is the block a 4 bolt main
    is the aftermarket as big for these cars like it is for the mustang
    what kind of power will it take to get a full weight ws6 trans am into the low
    7's high 6's in the 1/8 mile
    thanks

  2. #2
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    i can't answer all your questions, but i can tell you that the aftermarket is huge. There is a bigger aftermarket for the LSX than the 4.6. The LSX aftermarket rivals the 5.0

  3. #3
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    Blue
    1980 Camaro-4sale

    LSX's are 6 bolt mains

  4. #4
    nightstalker50
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    ttt

  5. #5
    Bad habbit- Smoking Fords
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    Sunset Orange Metallic
    2001 Camaro SS

    Quote Originally Posted by nightstalker50 View Post
    how much HP can the block handle
    is the block a 4 bolt main
    is the aftermarket as big for these cars like it is for the mustang
    what kind of power will it take to get a full weight ws6 trans am into the low
    7's high 6's in the 1/8 mile
    thanks
    The block is a six bolt main and can handle up to 600 hp with no internal mods. The aftermarket is huge for LSx engines, anything you want you can have.

  6. #6
    slammed RAWPWR3's Avatar
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    M.R.M. & C.E. Yellow
    01 TA & 02 CETA

    From what i understand the factory rods and pistons can only take about a little over 500 horses.

  7. #7
    Just the block? It's good for well over 1000 crank HP. The crank is very strong (some have reliably run it over 1000rwhp), but the rods and pistons are not, especially the pistons. 600 crank HP seems to be the limit on rods and pistons.

    LS1's have a 6 bolt main.

    The LS1 aftermarket is nowhere near the size of the SBC or Ford 5.0L, but it is quite extensive and rapidly growing, and provides enough options to do just about anything you want.

    A full weight TA could hit 7.0 in the 1/8 mile with as little as 500 crank HP (which may sound like a lot but even mild heads and cam setups have no problem eclipsing that). Forget about rwhp numbers, as they vary greatly and rarely show true performance capability, especially on an automatic car.

  8. #8
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    7.401 in the 1/8 on my stock motor LS1. all it took is about 450 rwhp.

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