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Discussion Starter · #1 ·
Hey everybody, the names John and Im new to the duramax world. Definitely thinking about getting a brand new '07 classic graystone 2500 4x4 extended cab sometime this week depending on what deal I can get. My buddy had an '04 Duramax runnin 13.50s and blew a head gasket a few weeks back and just bought a brand new duramax, same exact truck just LBZ, and is already runnin 14.1s.
 

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hey john welcome to the forum,glad to have you....good luck on your new purchase.if you have any questions you would like to ask about your new duramax or any duramax for that matter,just ask and someone will help you.those are some nice #'s your buddy is runnin...you wouldn't happen to know what all he did to that truck?thanks james
 

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Discussion Starter · #3 ·
yea for the LB7 he blew the head gasket on, all he had with an intake, 4" turbo back, the TTS programmer, dual fuel pumps, tie rod sleeves, traction bars, and suncoast TC and valve body and an upgrade kit, he dynoed something like 590hp and 907 lb ft one day about 3 months ago. For his new LBZ all he has is a 4" turbo back and a bully dog power pup with outlook monitor. He'll soon be runnin 13s when he gets something done to his transmission, his tie rod sleeves put on, and gets his crazy larry programmed in.
 
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