LMM Performance Discussion of Chevy and GMC Trucks with LMM Duramax Turbo Diesel Engines Related To Performance And Longevity

LMM Horsepower

  #1  
Old 06-15-2011, 11:22 AM
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What kiinda mods would everyone think is needed to be around 550 RWHP
I already have a built tranny. its questionable though because the tech who built it used ray besto clutchs and well i never really heard of them never heard good nor bad. i have edge evo race cold aid intake and exhuast. thats about it. my fastest 1/4 time was a 13.5 at 104. and an 1/8 at 8.7
 
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Old 06-16-2011, 10:30 PM
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I would say a turbo upgrade would be the best for you as 550hp is gonna run some big EGTS . Next I would get a EFI tune with a DSP 5 and a lift pump.
 
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Old 06-16-2011, 11:07 PM
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lift pump like an airdog or FASS
 
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Old 11-13-2011, 07:25 PM
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Custom EFI live tuning and a lift pump should get you to low 500's, as long as the tranny holds it. Turbo upgrade to get higher than that.
 
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Old 08-27-2014, 06:31 PM
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i have an 08 lmm with a banks intercooler efi live 4inch straight pipe,cold air ppe race valves,mbrp down pipe , and a trans go shift kit and im makeing 550hp 1000tq and get 23.5mpg
 
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Old 09-06-2014, 04:47 PM
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If it was me I would go with compound turbos, lift pump and efi live.

Egt will be much lower. Wont sacrifice spooling and much more fun than a larger single
 
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