When a new car comes in for inspection, always be sure to check the breaker point gap. This is important. During the first few hundred miles a new car is driven, the contact point on the fiber block on the breaker arm assembly slightly wears until a hard glaze forms on the block. This glaze forms practically a permanent bearing.

During the wearing-in process, the gap between the breaker points becomes slightly less. This is why it is important to check the gap.

Once the fiber block has obtained its permanent bearing, there should be no occasion for further adjustment for some time. A little vaseline, however, should be placed on the distributor cam every 2000 miles.

The gap between the breaker points should measure between .018 and .022 (see Fig. 856).

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