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advise

Go out and buy a fuel pressure gauge, vaccum gauge, and compression tester gauge, you can pick them up for under 100 bucks. This way you will be able to pin point your problem. If you do those three tests and all is normal then you have a spark problem, start with the plugs and wires. If they check out you probably have a bad opti spark distributor, replace the whole unit and dont go cheap, mine was about 400 bucks, but it was worth every penny because my car runs great now.
 
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