I had an unknown vibration in my TR-3 years ago. Then a gear strips in the
transmission. Vibration was gone after that. I ran the race without 4th gear.
Used overdrive 3rd.
Another time an unknown vibration resulted in an engine explosion. One Hell of
a way to find out the cause of the vibration.
Sent from my iPhone
On Jun 9, 2017, at 8:16 PM, Michael Porter via Fot <fot at autox.team.net>
wrote:
> On 6/9/2017 3:58 PM, Duncan Charlton via Fot wrote:
>> Mmmm ? sounds like an excuse to swap the two engines to see which car ends
>> up with the vibration!
>
> Unfortunately, that's a sure-fire way to make it vibrate all the time. The
> TR6 pan is about an inch and a quarter deeper at the front, so, with stock
> mounts, it sits quite hard upon the steering rack. The GT6's pan can be used
> on the TR6 engine, but only with some modification--making ~ 1/2" deep
> lateral dimples in it for connecting rod clearance.
>
> But, related to that, no one's mentioned the trans mount, and I'd also have a
> close look at that, just to see if it's moving around at speed, since that's
> going to affect the driveshaft angle a bit. For Jay: by chance, have you
> noticed the gearshift lever wiggling around when this vibration starts?
>
>
> Cheers.
>
> --
>
>
> Michael Porter
> Roswell, NM
>
>
> Never let anyone drive you crazy when you know it's within walking
> distance....
>
>
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