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1985 GMC S-15 engine swap?

Discussion in 'The Coffee Shop ~ Chit Chat' started by b717doc, Mar 4, 2014.

  1. b717doc

    b717doc New Member

    1985 GMC S-15 has a 2.8 V6. Want to put a 4.3 liter V6, as everyone says that's an excellent replacement engine....My question is will I have to have another transmission, or will my original tranny bolt up to the 4.3?

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