flywheel resurface?

[CJXJPIT]

I am swaping into my 84 CJ7 a 4.0 out of a 85 cherokee. When I removed the engine from the Cherokee I took flywheel in and had it resurfaced then later read posts where you should not resurface Cherokee flywheels. I talked to a gal from Alto who said she did find that in some Mopar data that it would remove some pattern they put on the face. Dont have money for a new one now so do you think using the resurfaced one will be a mistake. Also using the AX-15 tranny mated up to my 300 transfer case. Any one seen any good write ups on this swap? Did read the one on 4x4 wire but looking for others.

 

[jeeptec]

i have been a Chrysler Jeep tech for 25+ years. all of the factory service manuals state in them do not machine a flywheel.replace. but we in the field i have had flywheels machined for years and never had a problem.the instructors in the Chrysler schools will tell you the same thing .the factory service manuals says do not machine a flywheel. then they will pull you aside and and say it is ok to machine the flywheel.go figure

 

[old_man]

The biggest problem with Blanchard Grinding the flywheel is that the slave cylinder is not adjustable. You can either go with a master cylinder with more volume (Howes) or put a shim behind the slave.

 

[CJXJPIT]

Thank's for the feed back on the flywheel. The guy that resurfaced it for me runs a trans. shop and says he has done several without any problems but just thought I would ask the Jeep pros. I might be in a bit over my head with this 4.0 conversion to my CJ but after collecting parts now for a couple years it's time to give it a shot. After all theres now work and it's somthing to keep me busy. I also own a pretty tricked out 2001 XJ.
Again thank's for the comments, Howard

 

[joe_peters]

Per FSM it is Ok to "clean up" the flywheel--0.001~0.003 in. Any more than that replace the flywheel.

Now, not all flywheels or clutch components are created equal. If you have components on the "outer edge" of tolerances you might end up with a non-functioning clutch, or maybe a clutch that becomes non-functioning after some wear.

This is one of those times when you either pay the money or take your chances.

IF you surface the flywheel and have no clutch, either immediately or after some wear, you have a few options:

1. Use a MC with a larger bore diameter--like a Howe mentioned earlier.

2. Roll-your-own longer/adjustable slave push rod.

3. Tear it all apart and replace the flywheel.

Good luck.