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Old 09-26-2021, 10:04 AM
Warren Seale Warren Seale is offline
Senior Member
Join Date: May 2002
Location: Melbourne Fl.
Posts: 203

I used an Optispark from AIP Electronics. They are pretty inexpensive but they are made in China so quality could be hit and miss. However, many have been happy with them including those with C4 Corvettes. There is also a guy that rebuilds them and he has extra Mitsubishi sensors that he uses in the rebuilds. He goes by the name of Optidoctor on the 4th gen forums.

He can be found on Ebay:

Also reference this:
79 T/A,WS6,403,A3
96 T/A,WS6 (#1344) ,M6
72 442,W30,A3
96 Vette convertible Grand Sport (#713),F45,M6
13 Vette 427 convertible (#1425),Z30/Z25,M6
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