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Old 01-10-2020, 06:42 PM   #24
cwcarpenter98
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Join Date: Jan 2018
Location: Hickory Flat, GA
Posts: 4,430
Re: 3 speed overdrive with an HEI distributor

Well it's been about a year since I got everything working right with the overdrive. I'm happy to say that I haven't noticed any negative affects from wiring the HEI this way. I've driven the truck a good bit, even as my daily driver for a couple months and the overdrive has allowed me to get almost 16 mpg on the highway. Not bad for a little 283 and my lead foot lol
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Christian Carpenter

1963 C10 - Frankentruck 283, Muncie 3 speed with overdrive
Overdrive wiring here
1963-ish truck bed trailer - Half-Wit

1981 C10 - Penny 305, th350 --> Soon to be 350, Saginaw 4 speed

1995 Dodge Dakota Sport

"I'll put it simple: if you're going hard enough left, you'll find yourself turning right." - Doc Hudson
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