Re: {Chrysler 300} Fw: 55 Chrysler 300 Driveshaft

personally , on the old one not only the pin has to be right on , but the housing gets wear divots and you need to shim the little shoes too .i rebuilt a few way back , less than happy with residual vibration ( better but still there )—right around 65 . Denny’s high speed balances it too. By the time you mess with the detroit joint with balance , offsets of pin , shims, housings rubber etc and your time you are imho way ahead on $ , no vibration , drops in .

related , the cross U joint replacement at back has some issues now of availability . I could not get one for 57 ,—- if I remember right the two sides stock have different diameter pins . Small pin to the rear. You can change the pinion yoke to a later8/3/4 larger one , then 4 pins are the same , and readily available . About 115 $ for yoke. Good news is the driveshaft side takes both u joints.

I got the yoke there too .

JY and I have multiple cars with this , zero issues . I have one on order now for a D , he is busy , might be 6 weeks.

Hope that helps , check out . Detroit joint is 1930 stuff , 60 mph . It was gone by ?63 .

john

Sent from my iPhone not by choice

On 1 Dec 2020, at 9:00 am, Ron Waters <ronbo97@xxxxxxxxxxx> wrote:

Chances are, one or both of the U-joints are worn. Did he attempt to have this rebuilt or is it original, as it came from the factory ? Also where is he located ?

I rebuilt three mid-to-late-50s Mopar driveshafts this summer. Ball and trunnion in front. Cross in the back. The cross replacement is straighforward. With the B&T, it is crucial that the pin be precisely centered (.003 tolerance), or you will have vibration. Removing the old pin, inserting the new pin and centering the pin are tasks that need to be done at a professional driveshaft place. And then, with someone that has experience with these old-style joints. The local place that I went to (FleetPride in Agawam, MA) had one guy that was familiar with these. Even when he finished the job, I had him mic the pin in front of me and it was off a bit. So he readjusted it until it was perfect. We went thru this routine with all three driveshafts. Trust, but verify.

Ron

From: chrysler-300-club-international@xxxxxxxxxxxxxxxx [mailto:chrysler-300-club-international@xxxxxxxxxxxxxxxx] On Behalf Of Bob Merritt
Sent: Tuesday, December 01, 2020 6:23 AM
To: chrysler-300-club-international@xxxxxxxxxxxxxxxx
Subject: {Chrysler 300} Fw: 55 Chrysler 300 Driveshaft

Forwarding this message from Math Breitbach.

Replies to mfbreit@xxxxxxxxx

I have vibration in my drive train & suspect the driveshaft is out of balance, so I took it to drive train shop, but they did not have proper hardware to spin balance. Would you send out a message asking the membership if they know anyone who is equipped to balance this shaft with the old type u-joints.

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