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Hi Ted, just wanted to give you an update. I have owned this car since new, and it has never run better than it does now with that new Spectra Optispark! Thank you so much for your assistance, much appreciated! Now if I can just figure out how to get that dang ASR lite to turn off!!

Hi Ted; I ordered the new Spectra Opti, should have it by Friday. As well as vacuum testing it, do you suggest I test the electrical output on it it by plugging it into the car’s electrical, also hooking up a spark plug to a plug wire, turning the car’s ignition to on, and then spinning the new...

Great! That’s the one I’m going to order.

Thank you very much Ted for all your advice & assistance! I’m about to contact Spectra Premium Re: Opti—wondering if your brother’s is still working ok? Thanks again!

Also, do you see any issue in pressure washing the engine before I install the new opti? It’s quite a mess in the front part of the engine. Tks!

Thank you so much! Could you plz explain how to pretest the opti to be sure it pulls vacuum? Much appreciated!!

I am seeking a reliable Optispark for my 96 LT4 Corvette. Can anyone recommend one of the lower-cost units as being reliable ?

Can anybody recommend a good lower cost Optispark for a 96 LT4?