LT1 Optispark which brand?
My car is completely stock with a 6 speed manual trans. Thanks All

Ken
If the Opti is working, keep it. Like any distributor the cap & rotor are wear items. If yours has 100k mi get a MSD cap & rotor (their whole opti is crap)
The Summit Cardone is a POS as are other "store brand" clones
If you need a new Opti, Petris is the only one getting favorable reviews although I have no direct experience with it
That's why I was just going to get a new / rebuilt one.
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Was going to say try and find an AC Delco one to get remanned, and have yours remanned as well as back up. Current WS6 i got my hands on, previous owner put in some aftermarket crap. Already getting codes for it. Fun stuff.







