[T Bird]

Bob
It has been my experience that the fiber block on a set of new Bosch points will wear significantly in my 1972 "T" after as little as 600 miles. The first sign of this wear in my car is a reduced idle speed. As the points close up and the dwell angle increases, I believe that the timing retards, slowing the idle speed. I have experienced this rapid wear in spite of my use of Bosch distributor cam grease on the fiber block and distributor cam. The good news is that after re-adjusting the points at about the 500-600 mile mark, the fiber block seems to wear less and the timing holds longer.

Just my experience. If you don't have a tube of the Bosch grease, I'd recommend getting some. I believe I got mine from Stoddards. Go easy with it- you don't want it flying around the inside of the distributor.
John

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John
1972 911T Coupe
"S" pistons & Webers
PCA- Potomac Region