Electronic ignitions do that....mostly they are either off or on and since
modern cars
are electronic, towing has been offered by your insurance company
accordingly...'cause when they go bad the car stops....dead.
I have a PerTronix for years and thus far it has been OK, but I put less than
10k on the car per year.
A PerTronix II has auto-dwell compensation for better high rpm spark.
The foregoing having been said, I used Cranes for many, many years prior to
PerTronix. I had NO problems with either
their 700 or "upgraded" 3000 unit which comes with a smooth rev-cut plug in.
During my Crane times I put at least 15k annually on my Spridgets, inclusive of
limited access highway commuting between home and NY airport "office".
Never had a problem with a Crane, ever.
Cap'n. Bob '60 :{)
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