The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

Robert1970C20rstbukt · 06-17-2004, 04:27 PM

Is there a way to check when my transmission was manufactured? My truck originally had a TH350 in it that my Granddad replaced with a TH400 in '78 when he bought the truck, and I have no idea how old the 400 is or how many miles the trans. has on it.

Thanks

06-17-2004, 04:27 PM	#1
Robert1970C20rstbukt Registered User Join Date: Jun 2004 Location: Beeville, Texas Posts: 1,943	TH400 age question Is there a way to check when my transmission was manufactured? My truck originally had a TH350 in it that my Granddad replaced with a TH400 in '78 when he bought the truck, and I have no idea how old the 400 is or how many miles the trans. has on it. Thanks __________________ RJD 1984 Chevrolet C30 welding truck 454/SM465 1977 GMC C15 pickup 350/TH350 1970 Chevrolet C20 pickup 350/TH400 1970 Chevrolet K20 Suburban 454/TH350 1969 GMC 8500 478M V6/5 spd winch truck