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the most powerfull CHEVY block

This is a discussion on the most powerfull CHEVY block within the Corvette forums, part of the Vehicle Specific category; Hi every one .... is there any displacement difference in the famous 454 ci and the all new LSX ? ...

  1. #1
    Junior Member
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    Corvette 1998

    the most powerfull CHEVY block

    Hi every one ....
    is there any displacement difference in the famous 454 ci and the all new LSX ? and how many freaking horsepower does every engine has ?

  2. #2
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
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    well the lsx and the 454 can have the same displacement...the lsx block itself doesnt make horsepower ..as it is only the block...so
    a 454 lsx block will and should make much more power then the 454...technology is a great thing..more specifically the head design and block oiling and venting...

    offically the ls6 454 was rated at 450..but i have heard from old gearheads that it actually pumps out close to 550.....

    to give you a comparison the ls7 that is in the z06 makes 520ish.

    since no car has came stock with a lsx 454..its hard to make horsepower estimates since a lot of aftermarket parts will need to be used ..but look for conservatively 600+ horses ..and i mean conservatively

  3. #3
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    2001 TRANS AM WS6

    lsx block is built to withstand 1200 hp 1000 tq

    a ls1 block is built to withstand about 600 hp

  4. #4
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
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    Quote Originally Posted by DIRTY JERZY View Post
    lsx block is built to withstand 1200 hp 1000 tq

    a ls1 block is built to withstand about 600 hp
    ehh you might want to check your facts...

  5. #5
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
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    ls alluminum blocks can handle around the area of 1000rwhp ...the internals are a issue. the crank alone was designed to handle 1000fwhp ..the rods and pistons are another story (ls1 we are talking about)

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    the ls1 mains are what I was talking about after 700 they become questionable

    at least thats what I have been lead to believe

  7. #7
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
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    my bad...i guess i mispoke slightly..ls2's have been playing in the 1000 club.

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    its ok we are all here to help each other out

  9. #9
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    The ls1 engine can handle 700hp reliably, but has been taken to the 1k+ range. The lsx is rated much higher than 1200hp, it has been tested past 2000hp.
    Last edited by Zinergy; 11-13-2009 at 08:41 AM.

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    cool I was going off old info on the lsx before it was released

  11. #11
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    Tall-deck big-block Chevys can be taken over 700 cubic inches and can make over 3000HP. While the LSX isn't quite there yet, I've seen a couple shops/racers get around 1800HP...

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