TH350 leak! Manual transmission swap? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

The Swed · 02-04-2015, 01:04 PM

My TH350 transmission (See attached pictures) is leaking a lot after sitting for three days in the garage

My friend said it’s most likely the front pump in the transmission? I have a 1967 K20 (4x4) with manual transmission with out a motor. Will this fit in a 1970 C20? I really wanted manual transmission but couldn’t turn down these two trucks for a $1000 dollars

. FYI I know these trucks sat in a field for 14 years so the transmission seal may have dried out? I really appreciate all the help.

Thanks The Swed.

02-04-2015, 01:04 PM	#1
The Swed Registered User Join Date: Jan 2015 Location: West Haven, Utah Posts: 135	TH350 leak! Manual transmission swap? My TH350 transmission (See attached pictures) is leaking a lot after sitting for three days in the garage My friend said it’s most likely the front pump in the transmission? I have a 1967 K20 (4x4) with manual transmission with out a motor. Will this fit in a 1970 C20? I really wanted manual transmission but couldn’t turn down these two trucks for a $1000 dollars . FYI I know these trucks sat in a field for 14 years so the transmission seal may have dried out? I really appreciate all the help. Thanks The Swed. Attached Images __________________ 1970 C20 350/TH350, LB God Bless our Troops

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