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  1. #1
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    408 stroking disadvantages

    I'm thinking about stroking my LS to a 408 but I don't know, what are some disadvantages?

  2. #2
    COTM July '09
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  3. #3
    Spaz is My Mentor SMWS6TA's Avatar
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    I believe you can only go as high as 383. The steel sleeves can only be honed 0.10-0.20. The cylinder wall is not thick enough to support a bore that big on top of that it is aluminum.

    If you truely want a 408, look for a LQ4 or 9 (6.0L) They are iron blocks and can be bored out easy to 408.


    If you need more info on LQ4/9 blocks let me know.

  4. #4
    expensive tires az gt eater's Avatar
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    04 2500 4x4 crew cab

    If you have a lot of knowledge in that area, maybe you could do a write up. Get a used one from the junkyard, how to have the work done, what accessories we could reuse from our LS1, etc... I would def be interested. You could do a slow build, and keep expenses down....

  5. #5
    Spaz is My Mentor SMWS6TA's Avatar
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    I plan too, in storage I got a 04' LQ4 short block. My plan was to start it this summer.

  6. #6
    expensive tires az gt eater's Avatar
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    04 2500 4x4 crew cab

    Looking forward to it. You are talking about a truck block, right?

  7. #7
    Senior Member 98TransAmWs-6's Avatar
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    98 TA WS6/ 01 C5 Corvette

    Quote Originally Posted by az gt eater View Post
    Looking forward to it. You are talking about a truck block, right?
    Both lq9 and lq4 are truck blocks.
    1998 Trans Am WS6 - Phantom
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