Distributor Cap Quality suggests it’s best to check your “as machined” New Distributor Cap and Rotor assembly to insure it will function properly and maintain your vintage car reliability.  Vector files for this first installment of the information are: DistributorCapRotorGapMeasurement (doc) DistributorCapRotorGapMeasurement (pdf) Content of the above files is as follows: Distributor Cap Quality Distributor Cap Quality Read More …