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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: pierce8468 on July 22, 2015, 08:48:45 am

Title: Manual to automatic swap
Post by: pierce8468 on July 22, 2015, 08:48:45 am

I recently purchased a 85 c30 dual wheel crew cab that has a 350 with manual trans in it.  I also have a complete 88 c3500 single cab dual wheel 6.2 diesel with automatic trans.

I Would like to know if I can swap the trans from the 88 diesel and bolt it up to the 85 c30 gasser?    If so can i use the torque converter from the diesel as well as the flex plate, or will I have to replace them?   Another question I have is will the rear be the same bettwen both trucks or will I have to swap them out as well?       

Title: Re: Manual to automatic swap
Post by: Irish_Alley on August 02, 2015, 07:15:54 am

im going to say nothing will bolt up, the part numbers on the flywheel dont match up on each engine neither does the torque converter