What is a Opti?
What is a Opti?
The “opti” has two parts, a low-voltage optical section and a high-voltage cap and rotor section. What is it? The GM Optispark is an optically-triggered ignition distributor used on the LT1, LT4 and L99 engines. The “opti” has two parts, a low-voltage optical section and a high-voltage cap and rotor section.
Which is the best Opti Spark to buy?
Bite the bullet and buy a GM complete opti-spark. I did replace the whole thing last time. it is was an accel and a piece of crap. Been running an MSD 6A for 10 years. No problems. Stock opti. WOW that’s good.
Can You bolt a 1995 Optispark to a 1994 LT1?
You CANNOT bolt a 1995+ Optispark up to a 1992-1994 LT1. The CAM is different. You could change the CAM, timing cover, CAM gear, etc but this gets expensive, and is very labor intensive. the solution? 1. Change the Optispark out and be up and running again.
What kind of Corvette had the Optispark plug?
LT1/LT4 Corvettes (Y-Body) 1993 – 1997 LT1/LT4 Camaro’s, Trans Ams. (F-Body) 1994 – 1996 Fleetwood (D-Body) 1994 – 1996 Impala, Caprice, Roadmaster (B-Body) The concept of the Optispark was a great idea. It allowed for very accurate control of the spark to each plug.
When did Optispark come out on a Camaro?
Optispark is the distributor that was installed on all late model LT1’s. and LT4’s. This distributor was installed on : 1992 – 1996. LT1/LT4 Corvettes (Y-Body) 1993 – 1997 LT1/LT4 Camaro’s, Trans Ams. (F-Body)
Is the spark plugs on the Optispark new?
The Optispark is new and god forbid not failing me. The starter is new. Battery is new and charged. Spark plugs were changed with the new optispark. I had it in a shop for 6 weeks and they couldn’t replicate the issue. (Of course.)
Why is the spline gear on a 93-95 Opti?
The 93-95 came with the non-vented type with the spline gear. Converting this over to the vented type helps in the long run remove ozone which builds up inside the unit. Venting the gas will prolong the Opti’s life. There is an MSD kit which allows you to do this by changing out to their cap/rotor.
You CANNOT bolt a 1995+ Optispark up to a 1992-1994 LT1. The CAM is different. You could change the CAM, timing cover, CAM gear, etc but this gets expensive, and is very labor intensive. the solution? 1. Change the Optispark out and be up and running again.
How to replace the Optispark on a corvette?
Complete Vented Optispark Replacement Guide – CorvetteForum http://www.the-reeds.com/optispark_conversion.htm The Optispark is the distributor that was installed on all late model LT1’s and LT4’s. This distributor http://www.the-reeds.com/optispark_conversion.htm The Optispark is the distributor that was installed on all late model LT1’s and LT4’s.
