Re: tranny id?
4L60 was rated based on 100K miles, from what I gather, not brand new. It has been used on trucks up to 8600lbs, this is on FACTORY motors.
1/2T in our bodystyle were rated for 6100 GVW
GM has also stated that the Dextron III is lifetime trans fluid...
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Chris Lucas
1973 Chevy C-10
1978 GMC Jimmy (2WD) - SOLD
1987 R10 twin turbo LS
1991 R3500 SRW CrewCab
1985 K5 diesel swapped project
1989 K5 2WD conversion w/ Vette susp Project
Captkaos Customs
73-87chevytrucks.com
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