This things I thought of are Ujoint missalignment and the two piece driveshaft Ford used that had the vibration damper made in it. It sort of looks like a harmonic balancer one tube in another with rubber in between it. A CV/double u-joint configuration may do the trick too. Mark Price mpriceAtwestco.net Morgantown, WV 69 AMC rambler, 4.0L, EFI, 5 speed 65 Ambassador Conv, 327 AUTO, Basketcase 01 S-10 CREWCRAP 4X4 ---------- Original Message ---------------------------------- From: adh@xxxxxxxxxxxxxxxxx (Sandwich Maker) Reply-To: mail-From-mprice-westco.net@xxxxxxxxxxxx Date: Tue, 12 Apr 2005 09:23:33 -0400 (EDT) >" From: farna@xxxxxxx >" >" I won't have my TSMs and other books for quite a while, so maybe >" someone here can help me out. At highway speeds I get a "droning" >" sound in my car. I've converted from torque tube to an open >" driveshaft (with a Jag rear axle). I recall seeing a vibration >" dampener for either 66 or 67 cars. I'm thinking 67 since that was >" the first year of an open driveshaft in the big cars, and I don't >" recall the problem iwth the torque tube. I'd like some more info >" on this. I don't have a set of tech service bulletins (TSBs), but >" the problem and soultion could be listed as early as 65. If >" someone has any info on this could they send it my way or post >" here? I would be interested in a dampener if someone has one. I >" seem to recall one mounting under the car alongside the >" driveshaft tunnel, and maybe one in the trunk? Of course I have a >" wagon, so the trunk mounted one might not work -- depends on how >" it was mounted. > >my first thought - driveshaft u-joint misalignment. didn't the tt >have 'cv' [double] u-joints? >________________________________________________________________________ >Andrew Hay the genius nature >internet rambler is to see what all have seen > >adh@xxxxxxxxxxxxxxxxx and think what none thought > > > >