C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Delphi Optispark II

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Old Jan 30, 2015 | 08:11 AM
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Default Delphi Optispark II

FWIW, I just disassembled my brand new Delphi Optispark II and it has an optical sensor that has no markings on it whatsoever. I am considering swapping my 21 year old Mitsubishi optical sensor out of my original Optispark I....

Any thoughts?
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Old Jan 30, 2015 | 02:16 PM
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Originally Posted by V60050
FWIW, I just disassembled my brand new Delphi Optispark II and it has an optical sensor that has no markings on it whatsoever. I am considering swapping my 21 year old Mitsubishi optical sensor out of my original Optispark I....

Any thoughts?
I dont think the optical sensors are interchangeable on an optispark gen i vs. Gen 2.


This is terrible news. Now it seems delphi optisparks have run out of mitsubishi optical sensors.

If you had a gen 2 optispark with a 21 yr old misubishi optical sensor, then i would say swap that into the delphi unit. But you dont.

Also check the reluctor disk and make sure its not 'warped'
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Old Jan 30, 2015 | 02:32 PM
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Thanks for the heads up on the Optical Sensor non-interchangeability.

I have everything rounded up to do a Hot Cam, Lifters, Valve Springs, Guide Plates, Ultra Pro-Mags, Rocker Studs, Pushrods, 95 Timing Cover, & Timing Set upgrade. Now I am thinking it might be wiser to leave well enough alone until it gives me an actual reason to....
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