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Matt Man · 10-12-2019, 12:47 PM

I have a Truetrac in the front 10 bolt on my 81 and its been flawless no issues. The only problem is for the 12 bolt (and 10 bolt), you need the 3.73 and up carrier to use.

10-12-2019, 12:47 PM	#13
Matt Man Registered User Join Date: Oct 2009 Location: Buhl, Idaho Posts: 1,438	Re: Help with IDing rear diff I have a Truetrac in the front 10 bolt on my 81 and its been flawless no issues. The only problem is for the 12 bolt (and 10 bolt), you need the 3.73 and up carrier to use. __________________ 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