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Go Back   Chevy and GMC Duramax Diesel Forum > Chevy / GMC Duramax 04.5-05 LLY Forum > 04.5-05 LLY Duramax Powertrain
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04.5-05 LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

 
       

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Old 11-04-2009, 08:43 PM   eBay Motors   #1 (permalink)
500hp2500
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buying first dmax need some help

ok so tomorrow i am going to test drive an 05 2500 4x4 cc sb lly. but i have heard some horror storys form a cupple of my buddies who has a 04 lb7 that he pulls a sled with. he said that the lly's had some problems with them. for right now it probably would be alright but eventually i plan on some hard core efi live tunes for pulling. what do i need to do to it also i know a guy that has a ppe hot +2 programer for sale what do yall think about that. thanks in advance
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Old 11-04-2009, 08:49 PM   eBay Motors   #2 (permalink)
kansas
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The only complaint i have heard on the LLY vs the others is the restricted mouthpiece on the turbo that can be easily switched out for around $100.00 The injectors don't seem to give a problem on the LLY either The LLY did have some head gasket issues that i feel a direct result of the restrictive mouthpiece which created a heating problem.Other With this minor mod you should be very happy with the LLY imo. I hope this helps
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Old 11-04-2009, 09:01 PM   eBay Motors   #3 (permalink)
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also probly put 4in mbrp and an afe intake. or what intake do yall recomend
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Old 11-05-2009, 07:42 AM   eBay Motors   #4 (permalink)
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bump it up
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Old 11-05-2009, 07:57 AM   eBay Motors   #5 (permalink)
joelsmith
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i have 4inch strait mbrb stainless into 2 6in. mitre cut stack its got real nice tone
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next ill be gettin efi live, tie rod sleeves, idler and pitman arm braces, and a new center link
and lookin at a fleece turbo
and im gonna put new injectors in when i do that
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Old 11-05-2009, 08:00 AM   eBay Motors   #6 (permalink)
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For performance parts, I would do a MBRP exhaust, and a S&B intake. The S&B is a much better value. If you have any questions let me know.

Tyler
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