C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Opti Finally Died

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Old May 4, 2006 | 10:41 PM
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Default Opti Finally Died

I know its been asked before but where does everyone stand tonight.

What brand do you suggest?

Where did you purchase?

Do you suggest just the cap & rotor or the whole distributer?

I'd like to get this ordered tonight & installed by the end of the weekend. I can start tearing into the car tonight. What fun??!!
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Old May 5, 2006 | 03:49 AM
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Cap and rotor is false economy due to the high labor to replace it.

Since you have a vented opti, I'd just go with the stock replacement.
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Old May 5, 2006 | 06:48 AM
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There have been some posts stating that the MSD Opti-Spark (not just a cap and rotor) has been released and in customer's hands.
I've not heard of the results of an install yet.

http://www.jegs.com/webapp/wcs/store...tegoryId=79317

Tom Piper
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Old May 5, 2006 | 07:12 AM
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This would be a factory replacement piece IMO. ACDelco
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Old May 5, 2006 | 09:11 AM
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And I believe you can get a GM Opti cheaper than $500 too.

Contact Chris May at Superior Chevrolet in Meriam,KS. 1-800-728-8267. Chris offers great discounts to Corvette Forum Members. http://www.superchevyperformance.com/
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Old May 5, 2006 | 11:42 AM
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Originally Posted by DG'sVette
I know its been asked before but where does everyone stand tonight.

What brand do you suggest?

Where did you purchase?

Do you suggest just the cap & rotor or the whole distributer?

I'd like to get this ordered tonight & installed by the end of the weekend. I can start tearing into the car tonight. What fun??!!
If you want the very best replacement unit you can buy that has a proven record in the field, the DynaSpark is the ticket.

If you feel like being a guinea pig for the new MSD unit -- and if it's actually available now -- go for it.

If you'd rather spend far less than the ~$600 that the DynaSpark would cost, go with a replacement OEM unit from Superior Chevy, and apply RTV to all housing seams prior to installing it.

The OEM Second-Gen Optis are pretty reliable, if they don't get doused with water or coolant.

The DynaSpark is nearly bulletproof unless you're going to rev it well above 6 grand, and is totally watertight (DynoTech encouraged me to hose mine down if I wanted to).

If you're gonna rev the engine way-high, the DynaSpark with the high-rev kit (no rotor) in combination with the Delteq DIS conversion setup is your best bet.

Be well,

SJW

Last edited by SJW; May 5, 2006 at 11:45 AM.
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Old May 5, 2006 | 12:00 PM
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Originally Posted by onedef92
And I believe you can get a GM Opti cheaper than $500 too.

Contact Chris May at Superior Chevrolet in Meriam,KS. 1-800-728-8267. Chris offers great discounts to Corvette Forum Members. http://www.superchevyperformance.com/
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Old May 5, 2006 | 01:49 PM
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Originally Posted by onedef92
And I believe you can get a GM Opti cheaper than $500 too.

Contact Chris May at Superior Chevrolet in Meriam,KS. 1-800-728-8267. Chris offers great discounts to Corvette Forum Members. http://www.superchevyperformance.com/
That is great news. They are 10 min. away from me.
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Old May 5, 2006 | 06:52 PM
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Hi!! New to the Board and Corvettes too. I had my C4 for less than a month when we had to replace this bad boy part. Chev wanted almost $700, and found that Summit Racing (800-230-3030) had the AC Delco part for $379 (back in January). Part #NAL-10457702

Hope this helps.
:-)
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Old May 5, 2006 | 09:08 PM
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NAL-1104032

Vented pin drive unit to fit your 95. Summit Racing has it for $289.88.
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Old May 5, 2006 | 10:39 PM
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http://forums.corvetteforum.com/show....php?t=1382464

This might be a little cheaper than any.
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