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1 Answer

Optispark problems

Reset the static timing.

Aug 22, 2017 | 1994 Pontiac Firebird

1 Answer

97 pontiac firebird 5.7L HAS NO spark from optispark but has spark from coil

This engine uses a special flat cap and a standard rotor, right ? The spark comes into the cap and thru the rotor, then to the spark plugs.
Have you replaced the rotor ?
The spark can jump thru the rotor and ground thru the dist. shaft.
Depending on where you are testing for spark, the coil could also be weak and not pushing the spark to the plugs.

Jun 23, 2012 | Cars & Trucks

1 Answer

R&r 5.7 distripter in 1996 camaro

Replacing the Optispark Distributor is a real pain in this year and the LT1 engine.
Here are the steps
Remove accessory drive belt
Remove air intake hose to engine
Remove Radiator fans (unplug wiring harness first)
Drain the cooling system
Remove water pump (unplug water temp sensor first, tie hoses back out the way)
Remove Crankshaft balancer (you can get around the hub).
Remove Optispark cap and the rotor, the remove the bolts that hold the distributor to the block

Reverse to assemble.

Jul 21, 2011 | 1996 Chevrolet Camaro

1 Answer

I think my optispark is going out but not for sure. The car will start up but will not allow WOT it will cut out or die then is hard to start back. The service engine light will stay on until it sets for...

That rotten egg smell is unburnt fuel in the exhaust. I am no expert in ignition systems but i have heard that optispark systems aren't very hardy. Try replacing the coils, wires, and plugs. If that doesn't work its time for a new distributor.

Feb 28, 2011 | Pontiac Firebird Cars & Trucks

1 Answer

93 Corvette bucks, misses, and backfires about 2.5K RPM

Has the Optispark distributor cap been replaced yet, if not have it replaced.

Nov 11, 2009 | 1993 Chevrolet Corvette

1 Answer

Car spits and pops like the points are bad in a 60s power

Yes these optispark systems had all sorts of problems in wet weather most of the time you could replace the cap portion and that would solve it but most of the time I would replace the whole thing including new plug wires, coil wire,and spark plugs .Due to the fact that you have to remove water pump to access opti spark

Sep 01, 2009 | 1995 Chevrolet Camaro

1 Answer

1995 camaro z28 keeps loosing fire

it might be the optispark harness starts and runs good. once u turn it off its hard to turn back on?

Mar 30, 2009 | 1995 Chevrolet Camaro

2 Answers

Need to know how to tell diff between optispark I and II

on opti spark the dustributor is instalee in front of the engine at crankshaft pulley.this system have plug wires problem with arcing.if your distributor is on intake you dont have optispark.

Jan 28, 2009 | 1994 Chevrolet Camaro

1 Answer

Plug wire burn spots, spark plugs fouling, loss of power, misfire

optispark distributor fails. go to and search optispark. it'll pop right up

Nov 18, 2008 | 1996 Chevrolet Camaro

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