Duramax LLY
The LLY (internally called the 8GF1) is a 6.6 L (6599 cc) turbocharged engine which debuted in 2004 in GM trucks. It is a 32-valve design with high-pressure common-rail direct injection and aluminum cylinder heads. Output is 310 hp (231 kW) at 3100 rpm and 605 lb·ft (820 N·m) at just 1800 rpm. The engine was released with a new Garrett turbocharger with a variable geometry vane system. The valve covers were scalloped to allow access to the injectors without having to remove the valve covers, saving significant labor costs if injector replacement became necessary, and preventing leaked fuel from entering the crankcase, causing oil dilution.
The following trucks used the LLY engine:
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Who do you know if you have an LB7 or an LLY??
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Originally Posted by Rttoys
(Post 153486)
Who do you know if you have an LB7 or an LLY??
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But to answer your question.
8th number of VIN: F= HO 6.5 S= Emissions motor 1 = LB7 2 = LLY D = LBZ |
NO NO No..... If it need injectors, it's an LB7. If it overheats, it's an LLY:tttt:
Reeled you in on that one.:ph: |
Not all LLY's overheat. Mine never did. I also think that you found a cure for yours.
I also never had injector problems on my LB7, however Skipp and other have had plenty. :run: |
so whats the question?
i do want to get my hands on the full-time t-case that is on the back of the allision out of those H1 Alpha :) |
Originally Posted by noproblem
(Post 153498)
Not all LLY's overheat. Mine never did. I also think that you found a cure for yours.
That's what they all say.:w2: And yes I have the cure.:5: |
i can tell you mine has never over heated and you can see the loads i have pulled
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Don't get them started... Tx will break out the OHing voodoo dolls.
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