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

Any Info About EFI Live.

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Old Aug 3, 2010 | 05:34 PM
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If i use efi live will i need a tranny because i want more power but i don't have the money for a new trans i also wondered is the ppe hot 2 to much power or would i be ok with stock tranny?
 
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Old Aug 3, 2010 | 06:03 PM
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nope, if you have someone tune it for you they can give you a transmission safe tune
 
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Old Aug 4, 2010 | 09:38 AM
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HOW MUCH POWER WOULD I BE ABLE TO GET ON STOCK TRANNY?
 
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Old Aug 4, 2010 | 10:10 AM
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a 360 tune is about all i was told but it is the best thing i have done but i plan on building the tranz in the future and i have an lly witch gives you more control like over turbo control and my truck isn't known for injector problems. i also would recommend the dsp5 and tune
 
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Old Aug 4, 2010 | 11:36 AM
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If you had a LMM , 07.5 and up you could easly do a Trans-go jr kit and add up to 100-120 more HP,but an 02 would need a full Trans-go and that requires dropping the tranny so buy then you might as well keep going and can quickly get to thousands of $.The Trans-go jr for the 6-speed only costs about $100.If you add 120 hp to the stock 02 5-speed you will blow it unless babyed.And if your going to baby it why do it.
 
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Old Aug 4, 2010 | 08:56 PM
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Is that 360 hp added to stock or total after tune?

---AutoMerged DoublePost---

what is a dsp5?
 

Last edited by 02LB7DURAMAX; Aug 4, 2010 at 08:56 PM. Reason: Automerged Doublepost
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Old Aug 5, 2010 | 01:37 PM
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Originally Posted by 02LB7DURAMAX
HOW MUCH POWER WOULD I BE ABLE TO GET ON STOCK TRANNY?
Originally Posted by 02LB7DURAMAX
Is that 360 hp added to stock or total after tune?

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what is a dsp5?

stock transmisson is usually 90HP over stock, some peoples trucks i have helped tune dynoed at 470 with a stock, others 400 and both limped them a few times.

mid 500's is usually the max with a stock turbo, your fuel system can be a limiting factor if it isnt in a good condition
 
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Old Aug 8, 2010 | 05:32 PM
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would i be able to run 500hp on stock tranny and turbo?
 
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Old Aug 8, 2010 | 06:27 PM
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Originally Posted by 02LB7DURAMAX
would i be able to run 500hp on stock tranny and turbo?

stock transmission no way jose.

stock turbo yup
 
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Old Aug 8, 2010 | 07:39 PM
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how many hp is a stock 02 lb7 and how many hp can a stock tranny take?
 
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