LB7 Performance Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines Related To Performance And Longevity

upgrades?

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Old 11-10-2008, 10:23 PM
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im wanting to upgrade my turbo, injectors, and im sure some other mods in the future. my tranny is out now so thats the next thing on my list. any ideas / links for what kind and how much hp it should be rated for? i would like to get it running maybe in the low 12's one day if not high 11
 
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Old 11-10-2008, 10:30 PM
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For everything you need we have vendors that can get you very competitive prices.

If your asking opinion on brands.. I would say GT42 Turbo, or Fleece Performance Cheetah. For Trans, its nearly impossible to beat a good suncoast, like a stage 4. That should easily hold 550+ rwhp. Injectors, I think Industrial Injection makes a good set of sticks there, but I would look into dual CP3's and a lift pump first.

High 11's is not hard to achieve with a 4x4 automatic at all, just takes money and time. Dont forget about EFI Live, Tie Rod Sleeves and a few other small mods.
 
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Old 11-10-2008, 11:42 PM
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good tuning and a gt42 would easily get you in the 12's with a bad driver .

might want to think about getting more fuel in with cp3mods or duals.

definitely efi live though
 
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Old 11-11-2008, 06:03 AM
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Pay special/extra attention to the transmission, you only want to do it once, not 3 times , then go with a good turbo, supporting mods and good tuning, I like EFI.

---AutoMerged DoublePost---

IMO, injectors are not high priority, there are other better places to spend money.
 

Last edited by LarryJewell; 11-11-2008 at 06:03 AM. Reason: Automerged Doublepost
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Old 11-11-2008, 09:50 AM
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so do yall think a suncoast stage 4 would do instead of a five. they say the 5 handles up to 800 rwhp. i plan on getting there one day. or is the 5 still overkill.
and what about the aurora 5000 turbo. any thoughts on that?
 
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Old 11-11-2008, 10:47 AM
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alot of the choices you need to make are depending on what you do with the truck.. Do you ever plan on towing anything heavy? Long distance towing? Daily driving? All of those are factors in turbo choice and trans build.
 
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Old 11-11-2008, 12:09 PM
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no i dont intend on towing. i am a daily driver who is wanting to do the occasional street race. i want to be able to line up against a little sports car and leave it in the smoke
 
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