motor swap


Asked by Nov 15, 2016 at 06:24 PM about the 1995 Chevrolet C/K 1500 Cheyenne Extended Cab SB

Question type: Maintenance & Repair

The 4.3 in my 1995 Chevy half ton blew up and I
have a 4.3 out of a 1998. Will everything bolt up and
work right?

4 Answers


1998 is definitely OBD II. 1995 could be either OBD I or II. HTH. -Jim


I have the pcm and whole wiring harness with the 1998 motor I'm just wondering if I can swap the motors out without having to swap the com and all that

1 of 1 people found this helpful.

That's tough. With a '95 model it's weird. It could go either way. You'll have to find out if it's an OBD I or II. HTH. -Jim


You need to put your 95 heads and intake in the 98 block. Then everything should work with the 95 harness. I am concerned about the crank sensor. You should see if they are the same. It's best to find a 87-95 4.3 as a replacement. They will bolt in with little to no changes

1 of 1 people found this helpful.

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