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Hi, I'm Earth. Have we met?
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about a certian truck putting down over 750 hp on a stock engine LLY???


Congrats to the McRats for raising the bar yet again, and in a lly yet to boot!!!
 

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about a certian truck putting down over 750 hp on a stock engine LLY???


Congrats to the McRats for raising the bar yet again, and in a lly yet to boot!!!
Th McSwains presence in the Duramax community is VERY valuable. I can't hardly wait to get my stock sent off to be converted to the race tune.


C-ya
 

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somebody needs to hook me up with this dude especially if he's close to IN.
 

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Smoke. It's what's cookin
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That's awesome. WHat is the "shimm Mod" that I keep seeing on these folks trucks?

Ryan
 

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Pat (mcrat) is the man :rockin
 

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i installed the shim kit on my 05 LLY and it only took me 1.5 hour to do every thing and out of that hour i spent 45min.s getting the valve out of the fuel rail so if you do this kit make sure you use the right wrench or else you will strip the valve nut....it took care of my 2k rpm limmiter on a hot tune but it will kick back in at 130mph...
 
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