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I had the same problem. It could be that your spark plugs are wet with gas or that your coil is weak.

AnswerIf I'm reading that right your saying that it will run if you keep your foot on the gas I'm not real firmilar with that motor but it likely has a idle control sensor to keep the car idle it might be the problem or you idle might be off.
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โˆ™ 2011-09-13 17:13:12
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Q: Why would 95 z28 LT1 camaro starts but dies instantly Ive already changed out optispark stays on if above 1000 rpm any ideas?
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How much labor cost to replace 1995 camaro z28 optispark...already have part?

the dealership will quote about $600.00 for the optispark alone. they quote 10hrs at 60.00 shop/hr

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94 z28 camaro with a 5.7 liter 350 lt1 and it has the 460le auto trans recently purchased sat for a year in a garage this car has no power poor acceleration any ideas?

The problem could be your optispark distributor. They have a tendency to corrode inside and when this happens, it hinders the performance to the point that acceleration is greatly hampered. A bad optispark will also cause starting issues and engine misfires. Besides the optispark, check for a vacuum leak. Intake manifold leaks are very common on the LT1, as well as valve cover gasket leaks.

When you hit the gas and car pauses or shuts off what could be the problem 1993 camaro z28 LT1?

probly a bad optispark (distibuter). Could be several things but this is the most commen problem with lt1 f bodies

Does a 1996 Chevrolet Camaro Z28 have a distributor?

Yes, it is located behind the balancer, all the plug wires lead to it. The distributor for all 92-97 Camaros, Firebirds, and Corvettes with the 5.7L LT1 motor is called an Optispark distributor, unlike most conventional ignition distributor designs, the optispark design uses an optical sensor and a trigger disc to send the ECM a high and low pulse signal. Located directly under the waterpump, the optispark dose require a fair amount of labor for removal. There are many options available for LT1 owners when it comes to replacing their malfunctioning Optisparks. The guys at are the foremost experts on this particaluar ignition system and have the largest selection on Brand New Optispark distributors. They provide excellent tech support on install questions and general info on the optispark distributors.

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