Any decent dirt-track stock car ace will tell you a retaining strap near the
front of your driveshaft is a very good backup.
Brian - '69 2000
Brian L Patton 803.926.5023
Material Movement
EASTMAN CHEMICAL COMPANY
Carolina Eastman Division
bpatton@eastman.com
> -----Original Message-----
> From: Philip Erickson [SMTP:philip.erickson@Agouron.COM]
> Sent: Wednesday, May 05, 1999 11:29 AM
> To: ROADSTER
> Subject: [Fwd: no more vibrations - loose driveshaft]
>
> This is a multi-part message in MIME format.
> --------------75104FD9E741FE6FA87E3F29
>
> --
> Philip Erickson Phone: (619) 622-7963
> Associate Scientist
> Medicinal Chemistry FAX: (619) 678-8277
> Agouron Pharmaceuticals, Inc.
> 4215 Sorrento Valley Boulevard San Diego, CA 92121
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
>
>
> --------------75104FD9E741FE6FA87E3F29
> Content-Disposition: inline
>
> Message-ID: <37306366.D91CC147@agouron.com>
> Date: Wed, 05 May 1999 08:28:29 -0700
> From: Philip Erickson <philip.erickson@agouron.com>
> Reply-To: philip.erickson@agouron.com
> X-Mailer: Mozilla 4.05 (Macintosh; U; PPC)
> MIME-Version: 1.0
> To: Todd Osborn <trosborn@california.com>
> Subject: Re: no more vibrations - loose driveshaft
> References: <39df171d.245e4df6@aol.com> <372E4E03.3E6F@california.com>
>
> Jeff,
> I have always been told that SAE grade 5 bolts (grade 8 for suspension)
> are
> minimum for automotive general use. I had the same problem and replaced
> mine with
> fine thread grade 8.
> Phil
>
> Todd Osborn wrote:
>
> > Jeff,
> > I had the same problem when I first got my roadster (almost 25 years
> > ago). I tightened the four bolts on the front driveshaft mount only to
> > find them loose a few months later. The second time I cleaned things up
> > real good and used loctite, but again found them loose. I finally
> > replaced them with SAE grade 5 bolts and I have not had any problems
> > since. I figure the original bolts (SAE grade 3 at best) were yielding
> > and the small stretch allowed the bolts loosen up. I never experienced
> > the vibration you mention though.
> >
> > I have a note taped to my tool box to check these bolts in the near
> > future. I really don't want the front end of my driveshaft flailing
> > around.
> >
> > Todd Osborn
> > 68 2L, DATSFUN, San Jose, CA
> >
> > JeffnAly@aol.com wrote:
> > >
> > > Now for the rest of the story...
> > >
> > > My car loves to prove me wrong. As I started to remove the front
> drive shaft
> > > bolts I found out all of them were very loose. This is again strange
> as the
> > > motor, trany, and drive shaft have not been out for years. The
> previous
> > > owner was the last one to do this type of work, and we both have made
> long
> > > trips with the car.
> > >
> > > Getting to these bolts on a five speed can be a problem due to the
> proximity
> > > of the cross member. The approach I took was doun through the hole
> for the
> > > shifter boot. Some customized shortened wrenches helped.
> > >
> > > Now the car is back to its old self again!
> > >
> > > Jeff S SRL486
>
>
> --
> Philip Erickson Phone: (619) 622-7963
> Associate Scientist
> Medicinal Chemistry FAX: (619) 678-8277
> Agouron Pharmaceuticals, Inc.
> 4215 Sorrento Valley Boulevard San Diego, CA 92121
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
>
>
>
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