LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

miss fire worse over last few days h

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Old 10-26-2003, 09:12 PM
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miss fire worse over last few days h

a few days ago i notice my car had a slight miss fire which has gotten progressivly worse over the last few days, today while driving its hesitating and missing like crazy, im planning on changing plugs and wires tomorrow but what else should i change and look for to solve the problem, any help is greatly appreciated
sorry the car is a 95 Z28 M6

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Old 10-26-2003, 09:40 PM
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opti

is there is a sign of misfire, and all cables look connected and no arching (u can see at night time) its 90% the opti
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Old 10-26-2003, 09:43 PM
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how expensive is the opti and how hard is it to replace
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Old 10-27-2003, 01:56 AM
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guys help me out here, i need to get this running smoothly before i head for az from michigan
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Old 10-27-2003, 02:39 AM
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pain in the ***, and about 220, check www.gmpartsdirect.com. you could try a dynaspark, ive heard good things. but a STEEP 600$$. http://www.dynotech-eng.com/dynaspark.htm
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Old 10-27-2003, 02:48 AM
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how expensive is the opti and how hard is it to replace
i ordered my opti from :
Dal Slabaugh: 1-800-362-9494 ext 501
email: lockitup@bright.net
VanDevere Buick/Pontiac/Olds Akron, OH

1995-1997 optispark (vented) part # 1104032
it was less than $220 and it took 3 days to my door...
it took me approx. 10 - 12 hrs. over 5 days ...i took my sweet time... i did not replace any seals on the timing cover...i did put on a new water pump w/ temp sensor...
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