Search the Community

Hey guys, new member here! If this has already been answered somewhere then I apologize, I have not been able to find it! So I’m trying to figure out if the flexplate follows the engine year or the transmission year. I’ve got a ’91 MJ, 4.0, auto, 2wd, column shift, short bed, etc. I recently grenaded a wheel bearing and ruined a spindle, so decided to go ahead and do a 4wheel swap. I bought an almost exact 1990 Comanche but 4x4 and worse body to part out. In doing some research I noticed flexplates are listed by ’87-’90 then ’91-’00. Both seem to have the same specs (164 teeth, 13.83” OD, 12-14 pitch) but have two different part numbers, different weights, and two very different prices. So if I’m using the 1990 transmission/transfer case but keep the 1991 engine, which flexplate do I need to use?? Thank you in advance!

Update 07-12-13: I have abandoned this project due to the amount of work needed to fix the cowl panel and floors. I am in the process of moving from Cancun to Indiana. I purchased a 1990 eliminator 4x4 in Indiana and the suspension parts, cooling system and some misc. parts I am taking with to put on my eliminator in Indiana. Ok it is time to start showing the world my build. My MJ started its life out as a 1990 sport truck 2x4 4.0L Automatic. Here is the list of what is being done and what is hopefully going to be done. I have been slowly working on this truck for just over a year now so there is a ton of updates and information. Powertrain 1995 Chevrolet Blazer 4.3 Vortec (Intake modified with the marine version MPFI) 4L60E from the same blazer Transfer case is a mix from a blazer front cover (was electronic shift) now manual shift with jeep internals and jeep np231 rear cover SYE conversion. Front axle HP Dana 30 Rear soon to be 8.8 Suspension Rough Country 6.5" SOA conversion Hope do to the long arm conversion in the future Will have 33x12.5r15 Thornbird tires I am actively looking for a 97+ XJ to do the conversion on the interior and front end. On to the pictures