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08-30-2019, 10:48 AM
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Senior Member
 
Join Date: Aug 2018
Location: Western Colorado
Posts: 1,165
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Help Identifying Differential
I'm curious to know more about my rear axle. My 68 GMC C15 has a Dana/Spicer 44, but I don't know anything about the differential. The truck was a factory 307/4-speed. It does have a factory metal tag attached to one of the cover bolts that indicates to use limited slip fluid. The stamping reads: 3 25 68 DANA 18437 A3D80 46-13
Is this really a limited slip? And does the 46-13 mean it's got 3.53 gears?
__________________
1964 Chevy C10 - Gen IV 5.3 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=768632 1968 GMC C15 - Gen III 6.0 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=772047 1969 Chevy C10 - Restoration http://67-72chevytrucks.com/vboard/s...d.php?t=809184 1978 Chevy Scottsdale K20 1993 Chevy C1500 - 5.3/T56 swapped 2008 Silverado Duramax |
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