LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Has anyone tried the MSD optispark unit??

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Old 05-11-2005, 02:14 PM
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Default Has anyone tried the MSD optispark unit??

Thinkin bout the MSD unit. My stock unit did pretty good, 104k miles on it. Car misses around 6700 rpm, everything looks good, hopefully its the opti...
Old 05-11-2005, 04:13 PM
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Originally Posted by 94strokedz
Thinkin bout the MSD unit. My stock unit did pretty good, 104k miles on it. Car misses around 6700 rpm, everything looks good, hopefully its the opti...
I don't know of anyone that has tried them, but I would like to see some out there. If anyone is looking I can order them. I would be willing to run a special and give everyone a chance to get one at a good low down price!
Old 05-11-2005, 05:29 PM
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Unless they have introduced something new the only thng available to my knowledge is a cap and rotor.
Old 05-11-2005, 07:18 PM
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yup, it is only a cap and rotor unit. Not a complete opti replacment. They are also on national back order with no real date of release yet.


and yes I KNOW that summit lists them but trust me. Call them and they will tell you that they are NA yet. I know several people who orded them and then canceld.
Old 05-11-2005, 08:57 PM
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I talked to the MSD guys at Bristol during the NHRA race and they still don't have a date on when the cap and rotor will be released, but he did say that they are working on a complete replacement for the opti which is supposed to be an extremely good piece to replace the stock opti with and not have the trouble that the stock unit gives.
Old 05-11-2005, 09:23 PM
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Originally Posted by Klortho
I talked to the MSD guys at Bristol during the NHRA race and they still don't have a date on when the cap and rotor will be released, but he did say that they are working on a complete replacement for the opti which is supposed to be an extremely good piece to replace the stock opti with and not have the trouble that the stock unit gives.
yeah, and it will porbably cost even more then the overpriced Dynaspark
Old 05-12-2005, 08:56 AM
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Summit racing has the actual MSD opti replacement, nicely priced at 150 bucks. I think I'm gonna give it a try.
Old 05-12-2005, 09:01 AM
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thats JUST a cap and rotor kit.. trust me.


Edit: link.

http://store.summitracing.com/defaul...=egnsearch.asp
Old 05-12-2005, 09:07 AM
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That ad in summit is deceiving then, because it shows a red and black msd opti in the picture.
Old 05-12-2005, 09:11 AM
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it looks like they dont have it online yet, in the latest magazine they have it though, $150.99
Old 05-12-2005, 09:20 AM
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look close.. "High-quality cap and rotor kits from MSD.

Cap and Rotor, Black/Red, Brass Terminals, Chevy/Buick/Pontiac, 5.7L, LT1, Kit

The cap and rotor of any ignition system must be considered maintenance items. Just like when you change the oil and filter in your car, you should always replace your cap and rotor as a set. MSD makes it easy with these cap and rotor replacement kits. The correct rotor is already matched to the correct cap for you."


There is no way that an afertmarket opti would cost more then 100 bucks less then an OEM opti. and just like I said from the start. They are not out yet and have no esitmated date for release that has held up
Old 05-12-2005, 09:32 AM
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OK, I'm a retard. The description in the magazine is deceiving. I found it online, and it looks like I should have just kept my big mouth shut. Looks like you're right. I thought the price was a little low for the whole unit.
Old 05-12-2005, 09:36 AM
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trust me. if it was 150 bucks for a replacment opti from MSD everyone and their brother would have one by now. ANd thier dog, and thier cat... and any other small pet.. Especialy looking at the price of a dynaspark etc etc

But when it does finally come out it should be a good peice. One of the week points in the stock opti is the rotor. They like to shatter and fail when an aftermarket coil is used.
Old 05-12-2005, 09:41 AM
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Thanks for the info. Do you know if the cap and rotor is what generally goes wrong with this unit? Basically, do you think I should go with the cap and rotor, or just fork over the cash and get the whole unit?
Old 05-12-2005, 09:45 AM
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on a 94 unvented.... it's a toss up. The rotor tends to explode at high RPM because of the way it's made. So the cap and rotor would be a good idea. But if your opti is old you might consider changing both the whole opti ant throwing the cap and rotor on at the smae time. Then maybe you can sell the stock cap and rotor since it's new to recoop some of the cost.
Old 05-12-2005, 09:48 AM
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Sounds good, thanks for the help, and for clearing up the confusion.
Old 05-12-2005, 09:51 AM
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no problem. Good luck
Old 05-12-2005, 01:38 PM
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Why? What happens at high RPM's exactly?
Old 05-13-2005, 11:03 AM
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It starts breakin up in the rpms, still makes power right up til the point where it misses, feels like rev limiter, but is not rev limiter. Plugs, wires, everything is brand new. Computer is good, tune is good, sometimes misses at 3-5 grand also, mostly about 6500 rpm.
Old 05-16-2005, 07:47 PM
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Default Back order with summit

Originally Posted by 94strokedz
Summit racing has the actual MSD opti replacement, nicely priced at 150 bucks. I think I'm gonna give it a try.
I orderd mine with summit for 124.00 got in two weeks works very well


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