Quote:
Originally Posted by Mr.P 911T 1970
Well, l'm lucky then. The donor SC is from Hawaii, so the coil has been hanging out in warm climate it's whole life.
Just compared the temperatures from the new Bosch coils to the original black one, after I drove it the same distance, same load. The original Bosch coil (44-year old) was noticeable cooler (warm) to the touch while the newer Bosch was hot.
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Why do you over-complicate the issue?
1. The original black Bosch coil is very reliable.
2. The Bosch silver coil is junk.
3. The MSD 8222 is a good replacement for the Bosch black coil.
4. Only by switching to an inductive discharge ignition system will there be any significant spark improvement.