Chevrolet Repair: 78 chev 1 ton dually crew cab 2wd 454cid, salvage yard, auto salvage

Question
i want to change trans. from th400 to 700r4 what do i need to do to complete this

Answer
Hi K,
I am not sure, so I will suggest that you contact a salvage yard, where they have interchange manuals.
If you want to ask by phone, Beaville Auto Salvage, in Lawton OK specializes in only Chevy salvage, and would be very likely to know right off.

Van