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Review on ACDelco D580A Professional Ignition Distributor by Nick Garrett

Revainrating 4 out of 5

Brass is better than aluminum in distributor cap

Appears to be of good quality, distributor cap replaced with aluminum stays, oxidation of the aluminum by electric current (white greyish dust) increases the gap that sparks the arc needs to run and the voltage drops reach the spark plugs. Brass is not oxidized

Pros
  • Ignition Parts
Cons
  • So-so