1970 GMC Automatic Transmission Upgrade - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Bob Kelly · 11-18-2013, 02:02 AM

10 miles per gallon is starting to wear me down! Trying to decide of a change to a TH700 or TH200 would appreciably increase my mileage. Here's the scoop:
1970 GMC 2500 400CI 3.57 Rear End
My questions are:
(1) does some one sell a "soup to nuts" conversion kit i.e. transmission, shifter kit, directions, transmission cooler, etc. I'm looking for one stop shopping for a plug and play conversion kit.
(2) will the fuel savings make it worthwhile to do the conversion.
Thanks for any help/direction you may give me, Bob

11-18-2013, 02:02 AM	#1
Bob Kelly Registered User Join Date: Apr 2004 Location: Lompoc, CA Posts: 10	1970 GMC Automatic Transmission Upgrade 10 miles per gallon is starting to wear me down! Trying to decide of a change to a TH700 or TH200 would appreciably increase my mileage. Here's the scoop: 1970 GMC 2500 400CI 3.57 Rear End My questions are: (1) does some one sell a "soup to nuts" conversion kit i.e. transmission, shifter kit, directions, transmission cooler, etc. I'm looking for one stop shopping for a plug and play conversion kit. (2) will the fuel savings make it worthwhile to do the conversion. Thanks for any help/direction you may give me, Bob



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