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T/A's with new/swapped engines

This is a discussion on T/A's with new/swapped engines within the General Help forums, part of the LSx Technical Help Section category; How reliable is a car with a big engine upgrade or swap? My knowledge about cars doesn't go past light ...

  1. #1
    Junior Member Gohard's Avatar
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    2002 WS6 M6

    Red face T/A's with new/swapped engines

    How reliable is a car with a big engine upgrade or swap? My knowledge about cars doesn't go past light mods. I'm concerned because I'm trying to buy a 98+ model TA but when it comes to some with new engines and less than 10k miles on it, is this the kind of car I would use as a daily driver? 6+ hour road trips? It sounds great that the car his 500-600 RWHP but I'm trying to find out if it will LAST for years like the stock motor would.

    If someone on here can help me out I would appreciate it. I will pm you with a link to the exact cars I'm thinking about buying. I would love some help please!

  2. #2
    Veteran Hi-Po's Avatar
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    1999 TA WS.6

    If the engine was built and maintained properly there is no reason it shouldn't last a very long time. It would really help if you knew, A) Who built the engine and B) the person you are buying the car from.

    There are some really reputable builders out there, that have proven themselves to push out quality shortblocks that last a considerable amount of time.

    There are also some owners out there that will wait for the low oil light to come on before even checking the level In the end, it doesn't matter who built the engine if the owner of said engine is a lazy, neglectful maintenance provider.

    Keep those two ideas in mind and don't buy an engine from some boyscout who thought he would get some practice in, and you should be fine.
    370 CI - Twin 6766 Turbo - Jakes stage 5 4L80E - MWC 9" - Holley Dominator

    Build in progress...

  3. #3
    Junior Member Gohard's Avatar
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    2002 WS6 M6

    Well after reading your post, this one TA on ls1tech came to mind. It's being sold by a guy with a pretty decent rep BUT the engine was built by agostino. Apparently, they shut down and screwed over a lot of people 5 years ago? Hmm .... idk

  4. #4
    Junior Member Gohard's Avatar
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    2002 WS6 M6

    Sell me yours HI-PO?

  5. #5
    Veteran Hi-Po's Avatar
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    I haven't heard of them, but that doesn't mean anything really. You really have to be careful buying modded cars. I learned the hard way on a few expensive items, and looking back wish I would have spent a little extra and paid for the things I wanted and known for sure everything was right. If the engine is 5 years old, I would not be paying top dollar for that car.

  6. #6
    Junior Member Gohard's Avatar
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    2002 WS6 M6

    I'm trying to pm you...

  7. #7
    Veteran Hi-Po's Avatar
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    Quote Originally Posted by Gohard View Post
    Sell me yours HI-PO?
    you don't wanna buy my car. Hurt engine, hurt TruTrac.... but ill sell It to you for 19,000 bucks!

  8. #8
    Junior Member Gohard's Avatar
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    2002 WS6 M6

    Quote Originally Posted by Hi-Po View Post
    you don't wanna buy my car. Hurt engine, hurt TruTrac.... but ill sell It to you for 19,000 bucks!
    How come I can't pm u?

  9. #9
    Veteran Hi-Po's Avatar
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    Quote Originally Posted by Gohard View Post
    How come I can't pm u?
    Must be your post count is not high enough.

  10. #10
    Slow'er'Ass Mr. Luos's Avatar
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    2008 Trailblazer SS

    I have a 402 in my T/A.
    16K miles on the motor...no issues I didn't create.

    I have taken 200 mile drives into the mountains with it...never a problem. Never even got hot. Granted, it was fairly chilly...left it in 6th gear heading down a 7-8% slope (for 10 miles) and was going about 80-85 the whole time. Never once touched the gas...she got down to like 160 degrees.

    Motor was built by TSP. Mahle pistons/rings, Eagle crank, Lunati ProMod rods, GM bearings, LQ9 block.
    Been trying to come up with the funds to drive it down to the Dallas area and run it closer to sea level. I would drive it there.
    Only thing I am getting ready to change is the valvesprings. I have a decent sized cam in it, so it abuses the springs a little bit. Every 17-18K those will get changed...because I am anal.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

  11. #11
    Junior Member Gohard's Avatar
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    2002 WS6 M6

    http://www.ls1tech.com/forums/vehicl...low-miles.html

    Heres the one I was going to buy. He pulled it off the market though.

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