1993 optic spark
Thread Starter
Intermediate
Joined: Nov 2011
Posts: 29
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1993 optic spark
does anybody know a brand or the brand that makes original style replacement optic spark for a 1993 coupe(lt1). (im trying to keep it as orig as possible)
also if anybody can help me get a do it yourself walkthrough on how to replace it many thanks in advance - assain618
also if anybody can help me get a do it yourself walkthrough on how to replace it many thanks in advance - assain618
Race Director
Joined: Sep 2001
Posts: 14,659
Likes: 750
From: NEwhere Ohio
92-94 OEM: AC Delco. still available as NOS. except possibly the cap/rotor
95-96 OEM: Delphi (I think). still available as NOS. except the cap/rotor are the newer, less desireable ' opaque' epoxy type where you can see the electrodes through the resin. These will work, but the older 'tan' style are better. These have lower resistance according to my ohmmeter.
Do not settle for remanufactured AC Delco. Despite their 'rest assured' slogan, these are garbage units. I had one fail on me and had to tear it down.
Id add a vent to your gen I style opti. Plenty of posts about it.
I believe there is a company that takes NOS 92-94 acdelco units and converts to a vented setup. I cant remember their name.
This is not a part to buy on a $59 ebay special.
95-96 OEM: Delphi (I think). still available as NOS. except the cap/rotor are the newer, less desireable ' opaque' epoxy type where you can see the electrodes through the resin. These will work, but the older 'tan' style are better. These have lower resistance according to my ohmmeter.
Do not settle for remanufactured AC Delco. Despite their 'rest assured' slogan, these are garbage units. I had one fail on me and had to tear it down.
Id add a vent to your gen I style opti. Plenty of posts about it.
I believe there is a company that takes NOS 92-94 acdelco units and converts to a vented setup. I cant remember their name.
This is not a part to buy on a $59 ebay special.
Le Mans Master
Joined: Mar 2010
Posts: 8,171
Likes: 17
From: Eugene Oregon
I believe in the Beer Fairy
St. Jude Donor '15,'19
you want a AC Delco 10457702, they are not cheap i think i paid around 500.00 for mine, only problem is they are made in mexico now but they still have the mitsubishi sensor and thats important you can see the mitsubishi symbol in the second picture.
