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Re: 1970 rearend
Quote:
Originally Posted by jpgl
i am looking for a posi rear end for my 1970 gmc .i have the chance to buy one from a 1978 blazer with 4.10 gears .can i install this center section in my housing or is it to new?
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Your existing carrier needs to be 3:73 or up. Otherwise, the 4:10 wont fit unless you install a "thick" ring and pinion set on 4:10 posi carrier. Scroll down to 12-bolt truck... http://www.differentials.com/technic...arrier-breaks/
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Michael of the clan Hill,
"Two Seventy Two's"
71 1-ton Dually 350 4-Speed
71 C/50 Grain Truck, 350 Split-Axle 4-Speed
02 3/4 ton Express
14 Indian Chief Vintage
1952 Ford 8N, "Only Ford Allowed On The Property" 
"Be American, Buy American" 
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