RE: Help - rough running TR6

> I then went on a two day 300 mile trip and the car ran
> great.  Idled well, pulled strong, gas mileage even
> seemed better.
>
> Three days later after that weekend and it's now
> running rough.

Joe, my suggestion is to run the valves again.  There is no natural process
that will make the valve gaps too small, except for valve seat recession.
And if it is recession, 300 miles is plenty for them to close up again.

Randall