From: "Sheldon swotring@xxxxxxx [Chrysler300]"
Sent: Apr 9, 2016 8:31 PM
To: Rich Barber
, 'Jack Boyle' , 'John Grady' , 'William Leahy'
Cc: 'Rob Kern'
Subject: Re: [Chrysler300] Driving Mr. Barber
The big advantage to the b&t joint is that it would be almost impossible for the drive shaft to drop in the event of a failure.
I believe this is why they continued to use them in the front even after they changed in the rear.
It would prevent an unfortunate 'pole-vaulting' event.
On 4/9/2016 5:15 PM, 'Rich Barber' c300@xxxxxxx [Chrysler300] wrote:
I submit that the old U-joint design was great for strength, but not so good in that the probability of proper long-term maintenance, lubrication and protection of the joint was low—leading to failure. The old design required that the boot hold up forever or be regularly inspected and promptly replaced (yes, difficult) if ripped, split, torn or otherwise leaking grease out and dirt and water in. The Spicer joints used to have a grease fitting on them that would facilitate periodically displacing old and aging grease with fresh. But, we lubed the chassis and U-joints every thousand miles or so. Failure to lube the joint periodically led to really nasty failures.
I had a hip joint replaced five years ago and my surgeon told me that joint is surrounded by a muscular and flexible capsule that holds synovial lubricating fluid. This capsule is opened for the surgery and sewed back up afterward so the Ti and HDPE joint will also be lubricated. The original patent is pending but it comes with a lifetime guarantee.
Rainy Brentwood, CA
I have had the original B&T joint in my C-300 for 115,000 miles. I rebuilt it the 70’s at 50,000 miles and replaced a few pins and the buttons last year before we drove it to Chicago and on to Oklahoma on route 66. I think, taken care of they handle much more than an L-head 6.
IMG_6658 - Copy.JPG
From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of John Grady jkg@xxxxxxxxxxxxxxxxx [Chrysler300]
Sent: Saturday, April 9, 2016 6:34 AM
To: William Leahy
Cc: Rob Kern; <Chrysler300@xxxxxxxxxxxxxxx>
Subject: Re: [Chrysler300] Smooth as Silk drive shaft : )
I have done this .. Way to go .the old one is a very poor design . Good only for flat six . That is a great price . Maybe make some deal w club --send our shafts there . Even with 100$ ship if they are good and do it well it is a great deal . Too many duffers will ruin shaft . You need to be skilled to do perfectly , have right equipment . Nice find Rob .
The flanged Fitting for a modern joint is used on Winnebago motor homes , not an uncommon part .
Sent from my iPhone
On Apr 9, 2016, at 12:14 AM, William Leahy bleahy@xxxxxxxxxxx [Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:
I need to address this / thankx, Bill Leahy in summer like Kennewick, Washington
Sent from my iPad
On Apr 8, 2016, at 7:47 PM, "'Rob Kern' robkern@xxxxxxxxxxxxx [Chrysler300]" <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:
Hello 300’ly to all!
I just replaced the front ball and trunion u-joint assembly on my C with the upgrade of the slip assembly more modern front u-joint and I must say that I could not be more pleased. The car runs as smooth as silk and is quieter. It almost feels like the vehicle is at peace with itself! I had tremors develop between 30 and 40 mph upon easy acceleration and again when accelerating above 60mph. The front U-joint had 1/16th inch play. The grease retention boot was replaced a month ago when discovered that it left the party who knows how long ago. The new u-joint was installed to the front of the driveshaft which was balanced with the rear u-joint in place and then installed. Precision Drive Shaft in Oklahoma City did all the work and obtained all the parts . 3 day turn around time. $298.00. Many thanks to Club members Mike Burke, George McKovich, Larry Jett, Murray Park and Jeff Carter for discussing the upgrade and helping me decide to go this route! Rob Kern
[Non-text portions of this message have been removed]
Posted by: "skyhawk@xxxxxxxxx" <skyhawk@xxxxxxxxx>
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