Why does my Optispark water pump keep failing?
Why does my Optispark water pump keep failing?
Due to its location, the optispark is subject to moisture from several sources. First, driving through high water can submerge the opti completely. Automatic car washes with undercarriage wash can also soak the opti. Secondly, if the water pump suffers bearing failure and coolant comes out the weep hole,…
Where is the Optispark located on a LT1 engine?
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. Where is it? The opti is mounted on the front of the LT1, above the crank snout and behind the water pump.
When to replace the cap on an Optispark?
The original cap i replaced when the water pump went, then the 2nd cap went when the coil lead burned through the front of it, 3rd was the accel cap that was bad out of the box, now i think the accel optispark has gone bad after about 100 miles.
What kind of Opti do I need for my Delphi Z28?
I was running on my previous 94 Z28 A4, with a a1cardone reman opti and it worked great. My current 94 Z28 A4 only has 53K original on the car. And i got a Delphi complete assy waiting to install. But some people have said the MSD 6AL burns the opti up. But I think i am going to install the MSD 6AL on my Z soon with the factory opti.
Is the Optispark engine still in the Camaro?
The Optispark is still a great idea and a genuine leap forward in engine technology. While it was advanced for the time, it should not be confused with the current-generation LT1 engine powering the sixth-generation Camaro.
Due to its location, the optispark is subject to moisture from several sources. First, driving through high water can submerge the opti completely. Automatic car washes with undercarriage wash can also soak the opti. Secondly, if the water pump suffers bearing failure and coolant comes out the weep hole,…
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. Where is it? The opti is mounted on the front of the LT1, above the crank snout and behind the water pump.
How do you replace a vented Optispark radiator?
Drain your coolant. Be sure to open the bleed screws. This will help it drain much quicker. Remove the rubber intake bellow. Remove the upper radiator hoses. hose from the water pump. connections from the Optispark and water pump. out of the way, and loosen the accessory belt. Remove the water pump.
How are spark pulses timed in an opti?
Spark pulses are timed through the cap/rotor side and injector pulses are also timed from this. When its working right, the opti is an extremely accurate timing mechanism. GMHTP’s Opti article is an excellent in-depth treatment of how the opti works.
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.
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.
