Thread: Turbo ls4 tranny problems

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  1. #1 Turbo ls4 tranny problems 
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    I have Kevins turbo kit on my ls4 Murcielago. I broke the input shaft and replaced it with a 300m shaft. Less than 10 miles later and I broke the 300m shaft. I'm rear wheel drive so I get better traction and with the wide tires I have on it, I'm sure that I'm stressing the tranny more than if it were in front. Anyway, anybody have a suggestion on how I can keep an input shaft intact?
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  2. #2 Re: Turbo ls4 tranny problems 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    you drive a lambo???

    is there better input shaft you can buy?

    SMGPFC Member #1
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  3. #3 Re: Turbo ls4 tranny problems 
    GT Level Member Lenny's Avatar
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    Quote Originally Posted by Dratts View Post
    ls4 Murcielago
    huh???

    also, if you are running a turbo with some wide a$$ tires on a stock transmission, then im really not supprised that you broke somthing.
    2007 Grand Prix GXP

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  4. #4 Re: Turbo ls4 tranny problems 
    GTP Level Member whitehead's Avatar
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    Chu crazy man....
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  5. #5 Re: Turbo ls4 tranny problems 
    Because Wet Leaves Hippo Machine's Avatar
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    yea, some people put ls4's in lambos.

    This is the one I recommend GM Racing Turbine/Input Shaft (1,200 HP): Milzy Motorsports


    iLoveSpade
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  6. #6 Re: Turbo ls4 tranny problems 
    GT Level Member Lenny's Avatar
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    Quote Originally Posted by Hippo Machine View Post
    yea, some people put ls4's in lambos.
    huh?????????
    2007 Grand Prix GXP

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  7. #7 Re: Turbo ls4 tranny problems 
    GTP Level Member whitehead's Avatar
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    Ok even then why put this on a forum for Grand Prixs????
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  8. #8 Re: Turbo ls4 tranny problems 
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    Quote Originally Posted by Hippo Machine View Post
    yea, some people put ls4's in lambos.

    This is the one I recommend GM Racing Turbine/Input Shaft (1,200 HP): Milzy Motorsports
    Thanks, I didn't know that that part was still available, but it costs twice as much as the 300m and comes with no warranty and doesn't support tcc control. I've located one that will support tcc. Hp? We haven't got it on a dyno yet. From what other guys are getting with this turbo kit, I would say over 600hp. When it's not broken it's crazy fast.
    Last edited by Dratts; 10-10-2011 at 02:57 PM.
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  9. #9 Re: Turbo ls4 tranny problems 
    Because Wet Leaves Hippo Machine's Avatar
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    haha ls4 section ftw!

    and look it up, i dont know why but they do haha


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  10. #10 Re: Turbo ls4 tranny problems 
    GTP Level Member whitehead's Avatar
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    Yeah thats my fault, brain fart.

    Still smells like its made up thread...... Why buy a 200k+ lambo then put a LS4 into it? Stupid..... IMO.
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  11. #11 Re: Turbo ls4 tranny problems 
    GT Level Member Lenny's Avatar
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    2007 Grand Prix GXP

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  12. #12 Re: Turbo ls4 tranny problems 
    Because Wet Leaves Hippo Machine's Avatar
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    yea thats one


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  13. #13 Re: Turbo ls4 tranny problems 
    Because Wet Leaves Hippo Machine's Avatar
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    LS4 in to a Murcielago Replica rear wheel drive - LS1TECH
    not a actual lambo now that i read it, but it looks like one


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  14. #14 Re: Turbo ls4 tranny problems 
    GTP Level Member whitehead's Avatar
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    Oh gotchya.... So its just a replica Lambo, now it makes half as more sense as it did before. But why not an LS7 or LS9? More Powa?
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  15. #15 Re: Turbo ls4 tranny problems 
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    Quote Originally Posted by whitehead View Post
    Oh gotchya.... So its just a replica Lambo, now it makes half as more sense as it did before. But why not an LS7 or LS9? More Powa?
    Yeah, sorry about that I usually mention replica. The LS7 doesn't put out the power that Kevins turbo ls4 does and although the LS9 does, it costs about $25,000 the last time I looked, plus they are a lot harder to fit transverse in a fiero. Anyway I would still have the input shaft problem. When you say just a lambo replica you should understand that it has custom wide suspension,13" brakes and the turbo ls4 which should have the same hp as the lp640 with a few hundred less lbs and no power loss through the front differential, so it should be able to perform as well as a real lambo without all the maintenance outlay. Even though I'm having problems with the 4t65e hd, I'm pretty sure it's going to be cheaper to solve than a broken lambo tranny.
    Last edited by Dratts; 10-09-2011 at 08:33 PM.
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  16. #16 Re: Turbo ls4 tranny problems 
    GT Level Member Lenny's Avatar
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    now ive seen everything. whats next? Ferrari 458 replica powered by a L67 ??? i need another drink.
    2007 Grand Prix GXP

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  17. #17 Re: Turbo ls4 tranny problems 
    Because Wet Leaves Hippo Machine's Avatar
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    Quote Originally Posted by Lenny View Post
    now ive seen everything. whats next? Ferrari 458 replica powered by a L67 ??? i need another drink.
    I think you mean stock 458 with 4t65e tranny.


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  18. #18 Re: Turbo ls4 tranny problems 
    GT Level Member Lenny's Avatar
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    Quote Originally Posted by Hippo Machine View Post
    I think you mean stock 458 with 4t65e tranny.
    HA!!!! only if GM designed it
    2007 Grand Prix GXP

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  19. #19 Re: Turbo ls4 tranny problems 
    Because Wet Leaves Hippo Machine's Avatar
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    The 300m is good for like 600 hp, how much hp u making?


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  20. #20 Re: Turbo ls4 tranny problems 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Contact Dave at TEP (Triple Edge Performance)

    Email him your question with your mods and transmission details. He runs a performance trans shop and I'm sure he can help you with figuring out something with your imput shaft issue and maybe where to buy a better one.

    SMGPFC Member #1
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