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Boost Limits

This is a discussion on Boost Limits within the Forced Induction forums, part of the LSx Technical Help Section category; Anyone know how much boost the ls1 can hold as a daily driver?...

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    Member jetaws6's Avatar
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    Boost Limits

    Anyone know how much boost the ls1 can hold as a daily driver?

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    ;) Packy's Avatar
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    Forged motor = 15 or so depending on set-up tune etc, etc.
    Stock motor = 8psi or so, some have done more but won't last too long unless meth, fmic, or other precautions are taken. These are general guidelines of course and there are people who have pushed them a bit and continue to do so. The main thing is the tune!
    1999 Trans Am WS6 Black - Forged 346, P1SC (8psi), TH-400, and 12 bolt(3.73's)
    10.29@129 w/1.60 sixty foot

    2004 Screaming Yellow Mustang Cobra - Whipple 2.3, Exhaust, & CCW's...My DD

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    Military Muscle :usa: MYSCZ06's Avatar
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    Member Tman's Avatar
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    Tune ....Tune...

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    Junior Member dougfloyd's Avatar
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    Quote Originally Posted by Packy View Post
    Forged motor = 15 or so depending on set-up tune etc, etc.
    Stock motor = 8psi or so, some have done more but won't last too long unless meth, fmic, or other precautions are taken. These are general guidelines of course and there are people who have pushed them a bit and continue to do so. The main thing is the tune!
    I was thinking about asking this question too. For your forged 346, what parts did you use and how much did it cost? Thx.

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    Military Muscle :usa: MYSCZ06's Avatar
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    a forged 346 will run you 2500-ish eagle/manely parts not including labor

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    Member Rickys S/C Z28's Avatar
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    a red 1 and a silver 1
    1993,2000 z28

    i have 2800 in my short block eagle rod and wisco(sp?) pistions and arp studs and theses guys speak the truth its all in the tune

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    ;) Packy's Avatar
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    Quote Originally Posted by dougfloyd View Post
    I was thinking about asking this question too. For your forged 346, what parts did you use and how much did it cost? Thx.
    When I bought my Forged 346 it was bit more expensive since I switched cams and had someone do the install due to me not having a garage at the time. Mine was around $4K for rebuild with all new components and Forged rods/pistons, etc, etc... That was in 2003.

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    there is a guy in dallas that has a dd with 15lbs of boost on a stock bottem end. he is using a turbonetics tc76 and no meth!!! HA!

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    3-Time F-Body Offender doozjamann's Avatar
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    Quote Originally Posted by dudeman View Post
    there is a guy in dallas that has a dd with 15lbs of boost on a stock bottem end. he is using a turbonetics tc76 and no meth!!! HA!
    Proof Please

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    can't put up links to another forum
    Last edited by cailey37; 06-16-2009 at 01:34 PM. Reason: link to another forum not allowed by the rules

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    well i posted a link but it said it had to be approved by a moderator. they were quick to delete some off my other posts but cant approve a link to get you guys some proof and more info. pretty gay if you ask me

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    Military Muscle :usa: MYSCZ06's Avatar
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    links good...

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    ;) Packy's Avatar
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    Quote Originally Posted by dudeman View Post
    there is a guy in dallas that has a dd with 15lbs of boost on a stock bottem end. he is using a turbonetics tc76 and no meth!!! HA!
    And I am sure it won't last to long either... Running it like that!

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    probably not!!!

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    Junior Member Z06-Dave's Avatar
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    I run 12.5 PSI on my stock LS6 motor with meth, over 200 passes and a perfect daily driver, still going strong. Best MPH 145, best ET 9.80. Its all in the tune. I also run cats and stock exhaust...
    My car looks and sounds stock, what a sleeper!

  17. #17
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    outstanding!!!!!!

    turbo?

  18. #18
    ;) Packy's Avatar
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    Some of you must have missed my earlier statement... I will add it in here again.

    "These are general guidelines of course and there are people who have pushed them a bit and continue to do so. The main thing is the tune!"

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    how? what in the tune makes it stay together? a/f + timing?

  20. #20
    ;) Packy's Avatar
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    Quote Originally Posted by dudeman View Post
    how? what in the tune makes it stay together? a/f + timing?
    Well that tune tells the injectors how much fuel to add to the amount of air coming in and also works with a lot of other variables dealing with the motor. It is the brain that controls everything and keeps it within limits to ensure it runs correctly and safely...

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