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Thanks, Jeff and I are good friends. I hope! He is a super good guy. I like the 932 but I also like the quietness of the 8.3 and I am hoping to gain more MPG's with the switch.

My son bought a A2 for the bed and the metal cover on the bed. I recovered it for him and it drove so good on the way home I decided I needed the motor. We plan on parting the truck anyway so I guess the 250 will be sold instead of the 8.3. Driving it home it seemed to be a lot quieter than the...

I have a M932A1 and a M923A2, the A2 has a lot of rust and the cab is in bad shape. I also have a concern with the year of the A2 it does not qualify for Antique tags as does the A1. I plan on swapping motor and trans. Since I have the donor truck the brackets and shafts are no problem. I wanted...

I am wanting to swap motors in the 939 series! After doing some research the weight difference in weight of the motors is about 1200 pounds, the 6CTA8.3 is lighter.

Has anyone remove the Cummins NHC250 and installed the 6CTA8.3 in its place? I put 2 of my trucks side by side to look at the difference between mounts on the 2 trucks and they are totally different. The transmissions are supposed to be the same in both A1 and A2's with the drive shaft longer on...