RE: [DML] Replacing lower ball joints
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RE: [DML] Replacing lower ball joints



Elvis & Brian,

The B.J. reinforcement ring is designed to eliminate the lower ball joint's
tendency to expand, over time and many impacts, the mounting area of the
lower link arm causing a loose fit and audible clunking over bumps. The ring
presses up onto the underside of the original mounting area which has an
approximately 7.5mm deep by 2mm wide lip for receiving the ball joint. This
thin lip is what distorts so the ring is pressed onto the lip... contracting
the opening for better retention and increasing the thickness of the area by
8mm to a total combined of ten. The mounting hole becomes five times thicker
and the O.D. of the area increases by over 100%. You must of course remove
and re-install the ball joint to install this simple but very effective fix.

While I've come with quite a few improved or unique DeLorean related parts
over the years I credit this fix to Jerry Rine, back in the early 80's, from
the Kapac years. The younger people here might have to consult with an old
timer on the list to know who and what that was and most likely they could
all tell you. Anyway Jerry mentioned he had gotten something similar from
someone but didn't have anymore so I had some made and he started buying
them from us as he needed them. Thusly the story of The Ring was born :) 

Rob Grady,

P.J.Grady Inc.

-----Original Message-- Jerry Rine ---
From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of
Elvis Nocita
Sent: Saturday, March 18, 2006 2:21 AM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: AW: [DML] Replacing lower ball joints

Hey Brian, thank you.

how thick is such a collar ?
If you still want to install the clip on top of the balljoint,
then it can be only less than a millimeter ?!?

Elvis



Elvis,

I don't have a picture of the reinforcing collars by themselves, but I 
added a picture of them installed in the Photos area (PJ Grady Ball 
Joint Reinforcement Collar album).

Rob should chime in on the specifics, but the collars press onto the 
control arms first, then the ball joints are pressed in. 

The collars just "beef-up" the thin flange that holds the ball joint 
in place.

-Brian
VIN# 4494





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