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time to play with my ls1

This is a discussion on time to play with my ls1 within the Internal Engine forums, part of the LSx Technical Help Section category; so my car has 48000 miles on it and i blew a head gasket and so now i want to ...

  1. #1
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    stone gray
    2002 trans am ws6

    time to play with my ls1

    so my car has 48000 miles on it and i blew a head gasket and so now i want to take this opportunity to change the heads and cam i want to make 600hp to the wheels any suggestions...

  2. #2
    Pony_eater Pony_Eater's Avatar
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    You prob gonna need a supercharger or aps turbo system to get those numbers on the ls1. and for sure you would need to upgrade your 10 bolt rear

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    Member c5z28's Avatar
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    Can't be done on a stock cubic inch, this will help
    http://www.ls1tech.com/forums/genera...heads-cam.html

    I don't know the name of the kit but they do have plates that slap in between the block and the heads to give you more cubic inches.

    I also have some worked 5.3 heads if your interested neighbor
    and head gaskets and ls7 lifters.

  4. #4
    Moderator 35th-ANV-SS's Avatar
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    Quote Originally Posted by Pony_Eater View Post
    You prob gonna need a supercharger or aps turbo system to get those numbers on the ls1. and for sure you would need to upgrade your 10 bolt rear
    On top of a S/C or Turbo, you are also going to need forged internals with that much power and an awesome tune. LS1's are only good for 8PSI without forging internals. You can try running more, but your $hit will eventually break and you then could be causing yourself even more headaches and money then just doing it right the first time.

    Rear-end replacement will also be a must as mentioned. I would be looking to upgrade some of your suspension parts too.

    If you want to play, you have to pay......

  5. #5
    Bullet Boy Same ol Situation's Avatar
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    Your going to need more cubes if you want 600 hp N/A


    pull out the ls1, sell it, put that money towards an ls7

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    Member egod's Avatar
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    i believe you can get that hp on stock cubes but you may need to go with an aftermarket block and like the rest said some damn good internals. To get that kind of hp your going to be revving really high so a huge cam, high flow ported heads, and a FAST 102mm or sheet metal intake. I think it is possible but it is not going to be cost effective if your keeping with the stock or stockish motor.

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    Quote Originally Posted by egod View Post
    i believe you can get that hp on stock cubes but you may need to go with an aftermarket block and like the rest said some damn good internals. To get that kind of hp your going to be revving really high so a huge cam, high flow ported heads, and a FAST 102mm or sheet metal intake. I think it is possible but it is not going to be cost effective if your keeping with the stock or stockish motor.
    Why would you need a aftermarket block? How does that add hp?

    600whp is extremely hard to make on stock cubes, the car would be a track only car with a 13 to 1 comp ratio and a cam that makes the car run like crap unless your at WOT. Some light forged internals would be helpful aswell as the car would need to make power to 8k+rpms.

    If you are just upgradeing the heads and cam then you can get a streetable setup that makes 450whp and with a 100-150 shot you would be around 600whp.
    Last edited by Zinergy; 08-19-2009 at 08:17 AM.

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    Electrical Engineer KMdef9's Avatar
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    Quote Originally Posted by Zinergy View Post
    Why would you need a aftermarket block? How does that add hp?

    600whp is extremely hard to make on stock cubes, the car would be a track only car with a 13 to 1 comp ratio and a cam that makes the car run like crap unless your at WOT. Some light forged internals would be helpful aswell as the car would need to make power to 8k+rpms.

    If you are just upgradeing the heads and cam then you can get a streetable setup that makes 450whp and with a 100-150 shot you would be around 600whp.
    I had the same thoughts when it came to getting to 600ish hp by using NOS. My experience w.it is limited, but I'm sure if your going to dumping 150+ shot often, your internals may not like it too much.

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    stone gray
    2002 trans am ws6

    thank you all for your input so what would be the best i can do with te stock bottom end???

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    Quote Originally Posted by amrico03 View Post
    thank you all for your input so what would be the best i can do with te stock bottom end???
    I would do a cam/head/intake pacakge with supporting mods and a 100 shot. Should put you right around 550whp, most people have had there internals last a long time on a cam/100 shot setup and some havent.

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    Moderator 35th-ANV-SS's Avatar
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    D1SC Procharger will put you at 550whp on a stock bottom end. And there would be no need to fill a bottle up!

  12. #12
    Member egod's Avatar
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    With the trick flow genx setup you can bolt on 515 hp with ls6 manifold and stock bottom end

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    Member c5z28's Avatar
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    Quote Originally Posted by egod View Post
    With the trick flow genx setup you can bolt on 515 hp with ls6 manifold and stock bottom end
    at the crank I know most people realize that is not at the rear wheels but for some of the new people it can be misleading.

  14. #14
    Member c5z28's Avatar
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    Quote Originally Posted by amrico03 View Post
    thank you all for your input so what would be the best i can do with te stock bottom end???
    You looking to stay smog legal?

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    stone gray
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    well its my daily driver and smog doesnt really mater

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    Member c5z28's Avatar
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    afr, trickflow, texas speed heads. A d1sc will get you at 500whp with headers.

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    Member crombie02's Avatar
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    Quote Originally Posted by Same ol Situation View Post
    Your going to need more cubes if you want 600 hp N/A


    pull out the ls1, sell it, put that money towards an ls7
    Can you drop an LS7 into our cars without much modification?

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    bump I wanna know this as well

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    Veteran Blackbird WS6's Avatar
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    i would go 402/408 LQ9 block, forged internals, good set of heads and good size custom grind cam, FAST intake, full exhaust true duals. you would get from 500-550rwhp with that setup IMO

    you will need a 9in rearend with that kind of hp that is forsure there is no way around it

    with a really good tuner the car will run really good on the street for every day driving and track

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    The ls7 fits, but its kinda pointless. Your gonna pay As much for a stock 440whp ls7 and you would to build a 550whp lq9.

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