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Old 06-17-2013, 09:56 AM   #50
JJH Jimmy
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Join Date: Jun 2012
Location: Schoolcraft, Michigan
Posts: 923
Re: Project "It's a Jimmy Thing"

I sent the harness and computer to Speartech. John modified my original harness to stand alone and flashed the computer. Before i sent it out i emailed about six different companies that do this and Speartech was the only one that responded! After i got it back i had a few questions and he has always called me back. I would highly recommend using Speartech. If i do another swap in the future i will probably try and modify the harness myself and send Speartech the computer for the reflash. When i got it back i installed it on my engine and test ran it to check for any leaks. It started right up and ran perfectly.
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1972 GMC Jimmy 4x4 LS Swap
1985 Chevy K20
1994 GMC Yukon
2021 GMC 2500HD Duramax AT4

My "It's a Jimmy Thing" Build
http://67-72chevytrucks.com/vboard/s...d.php?t=583528
Budget Build 1985 K20
http://67-72chevytrucks.com/vboard/s...d.php?t=801565
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