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Old 02-15-2017, 09:34 PM   #1
superwade57
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76 c10 which posi should i use

so we're going to do the rear end on my brothers 76 c10. its got a factory open 4.10. truck 12 bolt. how many splines are the axles? does anyone know which part number for eaton posi, keeing the 4.10 rear. thanks.
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Old 02-15-2017, 10:43 PM   #2
Jay2Cor517
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Re: 76 c10 which posi should i use

Start here at the Eaton website: http://www.eaton.com/Eaton/ProductsS...posi/index.htm
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Old 02-16-2017, 03:06 PM   #3
Matt Man
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Re: 76 c10 which posi should i use

Quote:
Originally Posted by superwade57 View Post
so we're going to do the rear end on my brothers 76 c10. its got a factory open 4.10. truck 12 bolt. how many splines are the axles? does anyone know which part number for eaton posi, keeing the 4.10 rear. thanks.
The 12 bolt truck rear end has 30 spline axles.
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Old 02-16-2017, 05:08 PM   #4
GRADYS Performance
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Re: 76 c10 which posi should i use

I would recommend the TruTrac part number 913A315.
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