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Bottom end build

This is a discussion on Bottom end build within the Internal Engine forums, part of the LSx Technical Help Section category; I am starting to think the next weak link in my build will be the bottom end in my LS1. ...

  1. #1
    Member Transam388's Avatar
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    Bottom end build

    I am starting to think the next weak link in my build will be the bottom end in my LS1. It is a 98 LS1 and currently is at 422 HP NA with a 150 shot of NOS. I am starting to wonder what would be involved in building up the bottom end or if it is worth it and just get a new stroker.? If building up the current what parts, etc are suggested? Of course I want to do it right but money IS an issue so the cheaper the better but I will spend what is required to do it right with good parts. I do go to the track a moderate amount but do not drive this daily. Anyway, just want to get some of ya'lls opinions and feedback. Thanks.
    98 T/A: HPE 5.3 Heads, 238/242 113 cam, Kooks 1 7/8 stepped LT headers, Custom Y pipe, Cut out, Borla, NW 90MM TB, FAST 90MM Intake, TB Bypass, Under Drive Power steering and Crank, 150 Dry NOS, Yella Terra rockers, 3400 TC, HPE tuning,

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    Junior Member grimreaper's Avatar
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    I honestly think that its cheaper to purchase a built shortblock from a reputible company, but there is nothing more rewarding than building your own motor.

  3. #3
    Pathelogical Liar BlackLT1Z28's Avatar
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    GM High Tech Performance Magazine just did a series of articles on something like this. Its called "My First Stoker" and its about trying to do a budget build of a 383 stroker from home. Its goes over a bunch of shit for it and compares the cost of a rebuild and doing most of the work yourself over buying a stroker motor. www.gmhightechperformance.com

  4. #4
    Nitrous Tuner LS2Tuner's Avatar
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    Are you having problems right now........ Or just catching the fear bug....? I wouldn't worry about it until you have a issue if you don't now!!! We have done many LS1's with way more miles and more nos and they lasted years like that.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

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    Member danziger's Avatar
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    The hyper pistons aren't forgiving on the spray, that's for sure. You can do a nice forged stroker for WAY less than GMHTP did. My 383 cost less than 1/2 of theirs and made more power.

  6. #6
    CAM mmmmmm... Toes's Avatar
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    Think WARRANTY TIME AND COST!?

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    Member M6HUGGERSS's Avatar
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    what is your budget? $5K, 10K, 15K?
    315rwhp 98 SILVER Z28 (3500lbs)- SOLD
    400rwhp 99 HUGGER SS (3375lbs)- SOLD
    340rwhp 02 YELLOW Z06 (3040lbs)

  8. #8
    Senior Member Z06-Goose's Avatar
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    Avus Silver
    2007 Audi RS4

    You can pck up a 402 Stroker bottom end from Texas Speed for less than 4 grand I believe.
    While it's true you don't have to buy one until you need one, it's better to buy it when you can, than when you have to.
    I say this because your car is already 8 years, going on 9+ years old, and with the use of Nitrous, you need to have a safety net if you want to continue spraying
    Goose
    2007 Audi RS 4

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