Hi David:
Check your universal joints carefully. You might also do a careful check
of the condition of your engine mounts, the tightness of transmission
mounting bolts, the tightness of bolts holding engine and transmission
together. Check the axle joints as well, and don't overlook a careful
examination of the front end - focussing on tie rod ends and king pin wear.
Finally, do you have wire wheels?
John McEwen
I have this problem with my TR6 that started a couple of months ago.
>Initially I noticed that if I went about 65 MPH on the highway, my TR6
>would start to vibrate. At first I thought it was a rough patch of
>road. It wasn't. It's gotten progressively worse to the point that
>it starts to vibrate at about 35 MPH now. I've checked for play on
>all the wheels. The front wheels were loose so I adjusted the end
>float. This didn't change anything. I've also checked the mounts
>for the rear differential. They seem ok. I do notice that if I push
>in the clutch when it vibrates, the magnitude of it goes down but
>doesn't complete go away.
>
>I don't know what else to check. Does anyone have any ideas?
>
>thanks,
>David
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