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Old July 28th, 2011, 06:07 AM   #21
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Have you ever considered just rebuilding your engine and bore and stroke it to 383? Would be alot cheaper and not as much of a headache. Just a suggestion. You would end up with not power then the 6.0 and more then likely better MPG. Those 6.0 suck on gas. Everyone I know get about 10-12 City and 14-15 empty on the highway and these are stock truck not lifted.

Just something else you might want to look into.
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Old July 28th, 2011, 06:41 AM   #22
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ill look into that as well. thanks
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Old August 24th, 2011, 03:48 PM   #23
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i did the swap in my obs truck 2 years ago.used ayou may of seen my truck up at the dunes.

First off let me say that LS swap is very worth your time, their reliable, fairly easy/cheap, and parts are super easy to find. the price of ls motors are dropping aswell you can get a 5.3 pull out for like <500 bucks now.

I used a 6.0 LQ4 out a hd in my swap form Grand valley auto parts. i had a wire harness built by baker engineering. from their its fairly easy. ls1truck.com really helps out alot. I did a cam long tubes intake and a built (4l60e)trans with 3600 converter. it was a pretty quick truck.
heres a link and some pics on gmfs (pre sas)
6.0 lq4 swap - Chevy Truck Forum | GMC Truck Forum - GmFullsize.com

even with my big cam and matching converter i was still getting 12 mpg /14 highway on heavy ass 35s and 20s. it was a reliable ass truck even after running in down the drag strip at the dunes all day i always drove it home!
*link to a idle vid*
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