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change your opti-spark they are know for this
It would be a vented opti spark.
wet ignition need to know the year but if the distributor is the opti spark syst a cup of water will cripple this system
Most comin failure on these cars is the opti-spark distibutor
Any of the Opti-2 or Opti-4 Oil products can be purchased at www.jagorequipment.com
The 5.7 in your Cadillac is a Chevrolet LT1. The same motor that came in an Impala SS and Buick Roadmaster. It uses an "OPTI SPARK" distributor that runs off the front of the motor. There is no timing adjustment that can be made with the unit. The engine management computer controls the timing and adjusts the spark as ou drive. If you are having timing problems, the OPTI SPARK needs to be replaced.
Opti buk was created in 2002.
Daihatsu Opti was created in 1992.
OPTi Inc. was created in 1989.
OPTi Inc. ended in 2002.
OPTI Canada was created in 1999.
A very good possibility is the opti spark distributor.If this distributor gets slightly damp,it can cause several problems.