Thread: 1991 TBI and HT 383
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Old 06-20-2017, 11:11 AM   #2
kwmech
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Join Date: Mar 2003
Location: Colfax-California
Posts: 8,717
Re: 1991 TBI and HT 383
Here you go, read this.......it will answer all your questions

http://tbichips.com/?page_id=73



I'm doing the same thing to my Suburban next year
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