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rpmdiag, Tech and Instructor
Category: GM
Satisfied Customers: 6721
Experience:  Since 1975
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I have a GMC Jimmy Model 1981, and I want to change my

Customer Question

I have a GMC Jimmy Model 1981, and I want to change my engine Is engine No. 12520268
will fit .
Thank you
Submitted: 11 days ago.
Category: GM
Expert:  rpmdiag replied 11 days ago.

Hi,I'm Ron and i will be helping you today.
Stand by for a moment while I prepare your answer.

Expert:  rpmdiag replied 10 days ago.

That full size engine compartment will support any GM motors for those earlier years. The mountings may be all that's slightly different.

Thanks, Ron

Expert:  rpmdiag replied 10 days ago.

If you are satisfied with my answer, I would greatly appreciate a 5
star rating now and I will still assist you after you have rated me
too if another question pops up. I don’t get credit for helping you
until you rate me.
Thanks again, Ron