Chevy/GMC Truck and Duramax Turbo Diesel Forum Discussion of General Topics related to All Chevy and GMC Trucks as well as the Diesels in them

LLY-LBZ

Old Jul 14, 2010 | 04:48 PM
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Default LLY-LBZ

whats the diff in the 06 LLY and the LBZ?is it just the tune or are the motors differant as well?was looking at a 06 1ton duallyw/6spd man but it was the LLY not LBZ.(i checked the vin).
 
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Old Jul 20, 2010 | 03:48 PM
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I believe they redesigned the injectors and and fixed the overheating issue.
 
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Old Jul 20, 2010 | 07:39 PM
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Originally Posted by bftrain
I believe they redesigned the injectors and and fixed the overheating issue.
ok but whats the differance between the 06 LLY n the 06 LBZ?the truck i'm lookin at is a 06 but a LLY in it.are the motors the same minus the tune or are they totaly differant engines?this LLY has the 6spd manual behund it.
 
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Old Jul 20, 2010 | 09:33 PM
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heads, block, crank, pistons, rods, injectors, ecm are all different. the lbz has no FICM on it either.
 
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Old Jul 21, 2010 | 02:43 AM
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Originally Posted by mudbilly
ok but whats the differance between the 06 LLY n the 06 LBZ?the truck i'm lookin at is a 06 but a LLY in it.are the motors the same minus the tune or are they totaly differant engines?this LLY has the 6spd manual behund it.
06 LLY is the same as the LBZ just different tuning from what I understand. All other years have different hard parts like said in the post before me.
 
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Old Jul 21, 2010 | 06:31 PM
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Originally Posted by 2500HeavyDuty
heads, block, crank, pistons, rods, injectors, ecm are all different. the lbz has no FICM on it either.
thx 4 the info.kinda new to the diesels so whats a FICM?

---AutoMerged DoublePost---

Originally Posted by Turbo Performance
06 LLY is the same as the LBZ just different tuning from what I understand. All other years have different hard parts like said in the post before me.
ok so how can it be the same but have differant hard parts
 

Last edited by mudbilly; Jul 21, 2010 at 06:31 PM. Reason: Automerged Doublepost
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Old Jul 21, 2010 | 11:39 PM
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Originally Posted by mudbilly
thx 4 the info.kinda new to the diesels so whats a FICM?

---AutoMerged DoublePost---



ok so how can it be the same but have differant hard parts
FICM=Fuel Injector Control Module

06 LLY/06 LBZ is essentially the same engine, just different tuning. 04.5-05 LLY engines are different from 06LLY/LBZ and 06-07 LBZ. Make sense?
 
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Old Jul 22, 2010 | 03:23 PM
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The major difference is the injection system.
 
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Old Jul 24, 2010 | 09:07 AM
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Originally Posted by Turbo Performance
FICM=Fuel Injector Control Module

06 LLY/06 LBZ is essentially the same engine, just different tuning. 04.5-05 LLY engines are different from 06LLY/LBZ and 06-07 LBZ. Make sense?
sure does....thx
 
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Old Jul 24, 2010 | 01:23 PM
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the 2006 LLY is a DE-TUNED LBZ, that is the ONLY difference, you can easily remedy that problem

the 2005 LLY is entirely different than the 2006 LLY, the 2006 lly is built exactly the same as the LBZ
 
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