How to install an opti-spark(properly) - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums

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Old 01-29-2008, 11:31 PM   #1
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Default How to install an opti-spark(properly)

I need help with this..can anyone tell me step by step how its is done..please..I think I did it the wrong way..

I have a 94 caprice classic..Lt1

Im getting a great spark from the coil...but a very weak spark from opti.
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Old 01-30-2008, 12:02 AM   #2
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Assuming yours has the splined drive...
http://shbox.com/1/93-94_opti.jpg
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Old 01-30-2008, 03:34 PM   #3
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And this is all I do..nothing else..
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Old 01-30-2008, 03:43 PM   #4
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Quote:
Originally Posted by chevykid54 View Post
And this is all I do..nothing else..
yeah, install it. Theres TONS of write ups just do some simple searching.
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Old 01-30-2008, 03:57 PM   #5
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ok as far as lining things up I believe thats my problem..I didnt mark anything just pulled it out and replaced the whole opti spark.

Why would I be getting such a low spark from the opti and a strong spark from the coil...is this a symptom of installing the opti wrong..or do I have other problems?
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Old 01-30-2008, 07:47 PM   #6
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Even indexed incorrectly, it should not affect the strength of the spark, IMO. Of course, it will never run (or run right) without it being indexed correctly, so, I would start there and see what happens next.
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Old 01-31-2008, 07:09 AM   #7
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Yes Shoebox improperly indexed can cause it to be weak. I dont remember which way but one spot of lines up the rotor right in between the terminals so the spark jumps to one, both, or not at all.
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Old 01-31-2008, 08:02 AM   #8
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Yes Shoebox improperly indexed can cause it to be weak. I dont remember which way but one spot of lines up the rotor right in between the terminals so the spark jumps to one, both, or not at all.
Yeah, I guess it depends on how badly it is off. That might make sense.
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Old 01-31-2008, 08:09 AM   #9
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Its all I could come up with. I pulled multiple opti's apart. There was obvious split carbon tracking and even melting into the plastic between terminals.
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