What is the Opti Spark distributor on a corvette?
This new Opti-Spark distributor was supposed to be the greatest thing since GM did away with ignition points. Instead there was an internal mistake and the Opti-Spark caused Corvette owners a tremendous amount of aggravation. One of the goals was to control spark scatter during transient maneuvers, such as acceleration.
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.
Where is the LT1 Opti Spark distributor located?
IMG002: This is the Opti-Spark distributor cap. You can easily see how far the terminals are from each other. This greatly improved the low speed performance of the new LT1 engine. At least until the whole distributor failed. IMG003: This assembly hides directly behind your water pump and almost directly under the thermostat housing.
What causes a spark error in an Opti Spark distributor?
Spark errors also occur during transient movements such as acceleration, deceleration and transmission shifts. A key element in this Opti-Spark system was the increased overall diameter of the distributor which allowed for greater separation between the secondary terminals within the cap.
This new Opti-Spark distributor was supposed to be the greatest thing since GM did away with ignition points. Instead there was an internal mistake and the Opti-Spark caused Corvette owners a tremendous amount of aggravation. One of the goals was to control spark scatter during transient maneuvers, such as acceleration.
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.
IMG002: This is the Opti-Spark distributor cap. You can easily see how far the terminals are from each other. This greatly improved the low speed performance of the new LT1 engine. At least until the whole distributor failed. IMG003: This assembly hides directly behind your water pump and almost directly under the thermostat housing.
Who is the only company that sells Opti Spark?
Petris Enterprises is the only firm that sells the Opti-Spark with all the upgrades. They actually use a flow through ventilation system that circulates air through the distributor cap. I’ve never heard of anyone having a problem with their units. Petris Enterprises’ Optispark unit is equipped with a Mitsubishi-Grade optical sensor module.