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Twin Turbo-Shootin the bull

This is a discussion on Twin Turbo-Shootin the bull within the Forced Induction forums, part of the LSx Technical Help Section category; Originally Posted by Smittro I disagree.. Many people run headers with turbos.. Myself included due to the fact that there ...

  1. #41
    Senior Member qwkgto's Avatar
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    Phantom Black Metalic
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    Quote Originally Posted by Smittro View Post
    I disagree.. Many people run headers with turbos..

    Myself included due to the fact that there are no headers made for my engine..
    I have stainless works long tubes on my 9 second GTO as my turbos are in the rear,in my opinion bast place for them less heat in engine compartment,less mess,more wow factor..
    mods: custom built twins, built 408 w/l92 stock GM heads,GM matching intake,drag bags,frame ties,aluminum drive shaft, performabuilt 4l80e,Yank converter,ohios fastest and quickest 04-06 GTO 9.52 at 144mph. 1.50 60ft on stock rear end and shafts/suspension,on drag radials.

  2. #42
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Quote Originally Posted by qwkgto View Post
    I have stainless works long tubes on my 9 second GTO as my turbos are in the rear,in my opinion bast place for them less heat in engine compartment,less mess,more wow factor..
    I'll be running my intercooled twins up front on custom headers..

    I had thought about rear mounts but my IRS setup does'nt really allow for it..
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  3. #43
    Senior Member qwkgto's Avatar
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    Phantom Black Metalic
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    Quote Originally Posted by Smittro View Post
    I'll be running my intercooled twins up front on custom headers..

    I had thought about rear mounts but my IRS setup does'nt really allow for it..
    wow so your camaro is IRS,did you convert it?

  4. #44
    Senior Member qwkgto's Avatar
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    here is a shot of my twin setup on my GTO,did not like it ,so I changed it back,the goat has way more room then the camaro up front,id seriously look into a single if i were you.
    http://i93.photobucket.com/albums/l74/qwks15/035.jpg

  5. #45
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Quote Originally Posted by qwkgto View Post
    wow so your camaro is IRS,did you convert it?
    lol no. My nearly finished project is a gen-I z34 with a custom built LQ1 TT has an IRS under it..

    However an IRS conversion is in the works for the 01 Camaro too the project will be a ground up rethink..
    Last edited by Smittro; 02-26-2011 at 02:33 AM.

  6. #46
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    Whats the difference between a p1sc and d1sc?

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  8. #48
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    So d1sc would be better. Thats what youre going with right 35th?

  9. #49
    Senior Member qwkgto's Avatar
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    Quote Originally Posted by BashamWS6 View Post
    Whats the difference between a p1sc and d1sc?
    if i remeber right the ps1 is self contained meaning its not using engine oil,but has a built in resevior.I ran them back in the earlie 90s they are ok,had my time with them ,went to turbos and never looked back..

  10. #50
    Moderator 35th-ANV-SS's Avatar
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    Yes Basham and both are self-contained.

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    ....i notice most run around 8-12 lbs
    How much build up would an aluminum need to take more? is it suspension or internals that limits the amount of boost people use?
    Basically i mean why isnt anyone running ~20lbs of boost?
    And how much boost could you have and still be street friendly?

  12. #52
    Moderator 35th-ANV-SS's Avatar
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    The higher the amount of boost, the more stress you put on the internal components on the engine. With higher boost also comes more heat. Heat causes detonation. That is what destroys engines. Most people run 8lbs because that is about the limit on a stock LS1. If you run meth, you can run a little more boost since meth helps keep the IAT's down. When you start getting into higher boost levels though, you really do need stronger internal parts; connecting rods, pistons, and even a crankshaft. Also, the higher the boost level, you also want lower compression. A stock LS1 has 10.5:1 compression. That's a bit high to run real high boost. It really is all in the tune and keeping the temps down.

  13. #53
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    so.. going to the engine. most people say iron. obviously stronger. but this goes back to a 8 pg thread i jacked discussing engine swap.
    quick summary. im needing a new engine cuz i have some bad piston slap and the over rev in a race...shop say i need a rebuild.
    some said rebuild the LS1 with better heads/cam/forged internals etc. and be ready for boost.
    others said get the LS6-cheaper and has a warranty and its brand new.
    then even still others told me to go iron and with bigger cubes for obvious reasons.

    of course. after a few changes... my budget is around $8500
    i could manage to get the 402/408 in there or a 6.0L but that would drain it and pushing that power with stock suspension is a bomb on borrowed time (and im sure my tranny/rear are both on their last leg)

    this is why i decided to go with the ls6. so i can get a few suspension goodies, new clutch and master/slave and stuff

    im just wondering. would a procharger/turbo be worth it on a LS6? and how could i make that work? (i need a litle bit of input on a game plan)

  14. #54
    Moderator 35th-ANV-SS's Avatar
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    There is not much difference from a LS1 to a LS6 ....

    Different heads, different cam...same block basically. I think the crankcase ports on the LS6 are slightly larger. That's about it.

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    does anyone run a boosted ls6?

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    No idea. I don't know anyone personally with a LS6.

    All the people I know, in real life, with boosted cars have: LS1's, 402/408's or Mustangs/Fords with Cobra motors.

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    Senior Member qwkgto's Avatar
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    Quote Originally Posted by BashamWS6 View Post
    ....i notice most run around 8-12 lbs
    How much build up would an aluminum need to take more? is it suspension or internals that limits the amount of boost people use?
    Basically i mean why isnt anyone running ~20lbs of boost?
    And how much boost could you have and still be street friendly?
    I run 20-24 psi on the street,with my 408 the ls2 block is stock besides bore,and main stud girdle.....ARP head bolts on top,still using GM multi layer ls gaskets ..

  18. #58
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    My friend with a Mercury Marauder is running upwards of 20psi with a 3.4L Whipple and has NOS on top of that. He has a stock engine as far as I know.

  19. #59
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    Hmm.
    Speed Inc. offers a built LS6 TT set up installed with all the necessities and tune for $27000 with other options

  20. #60
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    I'm sure they do. I've been there twice. Nice shop. Nice people. Good tuners. They are expensive though.

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