Gary,
Have you ruled out tires out of balance or out of line? even with the
engine off, they'd still could be the issue.
Does it happen once you reach a certain speed? Also, have you
downshifted once the vibration starts to see if its related to engine speed?
I you speed up once the vibration starts does it change?
just some thoughts.
Doug
p.s. I seem to remember some comments about a vibration damper which I
think was described similar to weight on the tail shaft.
Take a look at this:
http://i220.photobucket.com/albums/dd7/rahtr4/8thewholesetup.jpg
On 7/11/2013 9:18 PM, Gary Nafziger wrote:
> One thing I noticed during first drives after restoration in my tr-3 is a
> significant vibration at highway speed. I've tried to isolate by coasting out
> of gear and engine turned off and it still happens, so I'm pretty sure its
> driveshaft. Am in the process of removinghe drive shaft in order to check
> that out.
>
> I've always been curious about a weight that is attached to the
> tail shaft of my transmission. The weight is attached by a steel band around
> the tranny tailshaft. The weight itself is round with a hole through the
> middle that keeps it attached. If I remember right the bolt holding the
> weight was loose when I removed it so the weight could spin. When I
> re-attached it I tightened it down tight so it can't move.
>
> My question is.
> Could this weight on the tail shaft be part of my vibration problem? Could I
> simply remove it and go without it? (of the several other trannys I've seen
> I've never seen this weight so I wonder if it is necessary). If the weight is
> needed how is it attached? Tight or loose?
>
> Thanks
>
> gary n.
>
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