Tranny/diff mount question.
Thread Starter
Burning Brakes
Joined: Jan 2008
Posts: 1,235
Likes: 51
Tranny/diff mount question.
Hi all, I recently purchased a "one off" tranny/diff mount from a member here. He said the design is based off Pfafts mount.
After checking it out, it seems that the bore for the center bushing is too big. Is it normal to have some play between the two parts?
Heres a vid showing my concern.
Thanks
After checking it out, it seems that the bore for the center bushing is too big. Is it normal to have some play between the two parts?
Heres a vid showing my concern.
Thanks
Acct Suspended APR 2026 by request
Joined: Dec 2010
Posts: 10,367
Likes: 1,272
2020 Corvette of the Year Finalist (performance mods)
C5 of Year Winner (performance mods) 2019
seems like the hole was machined a bit too big... I had a pfadt mount before I did a tr6060 swap and it wasn't loose like that... maybe you can find a bigger bushing that fits that hole tighter
Drifting
Joined: Sep 2015
Posts: 1,763
Likes: 502
Might be easier to put a sleeve in the machined hole to tighten up the tolerance instead of trying to machine a whole new bushing.....that way you can use your existing bushing.
Burning Brakes
Joined: Jul 2011
Posts: 1,096
Likes: 110
From: Fredericksburg Virginia
Could you add a sleeve to the small part in the middle for the bushing? Otherwise make your own if you have materials and machines to do it. That way you are only out a little bit of time.
Or could you make that center sleeve bigger so it expands the bushing? Just like the control arm bushings when you put the sleeve in it makes them expand and get really tight.
Or could you make that center sleeve bigger so it expands the bushing? Just like the control arm bushings when you put the sleeve in it makes them expand and get really tight.
.
Joined: Apr 2013
Posts: 5,010
Likes: 1,143
From: Oregon
St. Jude Donor '14-'15-'16-'17-'18-'19-'20-'21-'22-'23
I have seen that mount in the Facebook groups. You may want to look him up over there and see what he says..
He is also trying to do the Pfadt engine mounts
He is also trying to do the Pfadt engine mounts
Thread Starter
Burning Brakes
Joined: Jan 2008
Posts: 1,235
Likes: 51
I have a lathe and can source the material. I just need to know what material to use. I dont have facebook so...
The kit comes with a sleeve in the center of the bushing, to bolt the center to the cross member mount. I wonder if its a crush sleeve??
The kit comes with a sleeve in the center of the bushing, to bolt the center to the cross member mount. I wonder if its a crush sleeve??
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Thread Starter
Burning Brakes
Joined: Jan 2008
Posts: 1,235
Likes: 51
Ok in this case i think id rather make a new bushing. Im going to call a local rubber supplier and see what material they suggest.
I have teflon but im thinking it may be too harsh on the mounting point to the diff. What do you guys think??
I have teflon but im thinking it may be too harsh on the mounting point to the diff. What do you guys think??