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Old 01-03-2022, 11:44 AM   #14
6600DURAMAX
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Join Date: Nov 2000
Location: Wheatfield IN, USA
Posts: 1,107
Re: Anybody using a 6l80 in their swap?

I'm running a PSI harness on my LS3 conversion as well, might reach out to PSI and see how much to add this harness on? Mine is a 58X harness if that makes a difference.
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1972 K5 Build - plans - LS3-6L80e-One Tons.....

1971 CREWMAX Build.....at body shop for couple more years
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