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How much HP? 6.0L turbo

This is a discussion on How much HP? 6.0L turbo within the Forced Induction forums, part of the LSx Technical Help Section category; Im changing my 87 GN to a turbo SBC. Any Idea how much HP a 6.0 truck engine can make? ...

  1. #1
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    87 GN

    How much HP? 6.0L turbo

    Im changing my 87 GN to a turbo SBC. Any Idea how much HP a 6.0 truck engine can make? Stock block,crank,and non L92 Heads. Im only changing rods,pistons,and cam to the good stuff. Any input will help. Thanks guys!

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    Senior Member qwkgto's Avatar
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    Phantom Black Metalic
    2005 GTO

    Quote Originally Posted by Turbo K View Post
    Im changing my 87 GN to a turbo SBC. Any Idea how much HP a 6.0 truck engine can make? Stock block,crank,and non L92 Heads. Im only changing rods,pistons,and cam to the good stuff. Any input will help. Thanks guys!
    depends on boost,id done the stud girdle while I had it apart,should not have any problems qith 1000-1200 easliy
    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.

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    So the stock crank will live at that power? What about heads lifting under boost? Hearing this from people pushing the LSX block. 1000 HP is Max Im Hoping for. Hope u guys can help. Ive been wanting to do this for years! Done the V6 thing. Now I want the other 2 Cylinders GM shorted Me.

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    Senior Member qwkgto's Avatar
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    Phantom Black Metalic
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    Quote Originally Posted by Turbo K View Post
    So the stock crank will live at that power? What about heads lifting under boost? Hearing this from people pushing the LSX block. 1000 HP is Max Im Hoping for. Hope u guys can help. Ive been wanting to do this for years! Done the V6 thing. Now I want the other 2 Cylinders GM shorted Me.
    Id just do it,I am planing doing around the same thing some day in my monte,get some ARP head bolts,there are alot of ls motors out there running boost,hell im still using the GM tri metal head gaskets,no problems yet.

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