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Old 01-27-2020, 07:45 PM   #2
Matt Man
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Join Date: Oct 2009
Location: Buhl, Idaho
Posts: 1,434
Re: Changing rear end fluid posi or not

Could have came with a g80 which required the additive. Once you have the cover off you will know if it has one or not.
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86 c30 crew cab dually 454/400 4/6 drop SOLD 1-8-11
1981 chevy K10 short Bed Scottsdale SOLD 10-26-2020
67 GMC Stepside Straight six/3 on the tree "The Peach"
2020 Silverado Double Cab LT Z71 5.3 8 speed Daily Driver

K10 build http://67-72chevytrucks.com/vboard/s...d.php?t=671934

The Peach build http://67-72chevytrucks.com/vboard/s...d.php?t=733903



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