Dan, I got a lot of stuff I can talk to you about but I rather do it by phone. i believe i can help you with what u need. i currently have the computer, burn software, and a tbi with new gm factory injectors installed. i installed a 8.0 litre motor in mine 2 years ago. i also changed the gear ratio to 4.88 for better highway speed. you probably have 5.66 rear if you have a old uhaul truck. i also know that the holley injectors will work in the gm tbi but the computer wont run them. they pull more current and the computer can handle. i have two new ones that i tried. you would have to have the holley electrical sytem to use them. if you like to speak with me email me at kingmac@crosslink.net with your phone number. i be glad to help with knowledge and parts that i dont use anymore.
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