Lb7 or LLY and other questions - Diesel Truck Forum -
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post #1 of 3 (permalink) Old 04-26-2009, 03:39 AM Thread Starter
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Lb7 or LLY and other questions

2007 GMC 2500HD

build date 09/06

8th of Vin is D

Also What is the best chip/tuner for this motor, big HP with good millage.

One last thing, GM changed something in allison transmission that was like a 20 dollar part to save money but made the trans alot weaker. When did they do this and is it a easy fix to make it better.

This is for a friend thanks.


ARP studs, sct, Leveling kit,Airdog set at 62psi with no factory pump, leveling kit,5" stacks, under cab lights, Large in the way Fan shroud Removed, bed Lights being Re-did. Large Alternator(250amps)(130 amps was so 2003). On 3rd set of Hgs(soon to be 4th), 2nd set of heads, 2nd tubro, egr cooler, FICM and more. When i Turn the Key it does return a Favor, not always in MY Favor.
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post #2 of 3 (permalink) Old 04-26-2009, 04:50 AM
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It's an LBZ, and the best tuning option is EFI live. Here is some info for 'ya:
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post #3 of 3 (permalink) Old 04-26-2009, 04:52 AM
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Originally Posted by Bcarriveau View Post
This is for a friend thanks.
Yeah right, you know you want one.

Somewhere on here there is a VIN numeral thingy. Tom or Wayne will prolly remember.

Last edited by mckey73; 04-26-2009 at 04:56 AM.
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