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

MSD Pro billet opti

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Old Jul 14, 2008 | 09:36 PM
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Default MSD Pro billet opti

im fixing to stART my head and cam swap im wanting to go with a msd pro billet opti i was wanting to shop around all i have is jegs and summit books i was woundering if any you guys know where i can order one cheaper or a web site with them thanx guys
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Old Jul 15, 2008 | 12:30 PM
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I bought mine from a GP a Vette club put togeather for $435 last year. You might find something like that on a search or pay retail from Summit/Jegs, etc.

IMHO the MSD unit is "built" better but weather that translates into being "better" remains to be seen.

Whatever unit you get use lock tite on the rotor screws.
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Old Jul 15, 2008 | 02:56 PM
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I got mine from an ebay store for 400 dollars back when they first came out.

I think it was an error by the seller who had it buy it now for 400.

but then I saw it a few days later same seller for 499.

Good luck man
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Old Jul 15, 2008 | 06:10 PM
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skip it, reliability is far less than stock.
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Old Jul 20, 2009 | 11:28 AM
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Having an issue with my Pro-billet opti right now, they wont send me a new one they want me to send mine back for them to repair talking 4 weeks without my car
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Old Jul 20, 2009 | 11:37 AM
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Genuine AC Delco/Delphi replacement opti with thread locked rotor screws and siliconed seal FTW!!!
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Old Jul 20, 2009 | 04:14 PM
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msd opti here. Love the built in opti shaft and harness. Wouldnt by a stock one again. Went through 4 in 2 1/2 years.
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Old Jul 20, 2009 | 04:23 PM
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Originally Posted by ******
I bought mine from a GP a Vette club put togeather for $435 last year. You might find something like that on a search or pay retail from Summit/Jegs, etc.

IMHO the MSD unit is "built" better but weather that translates into being "better" remains to be seen.

Whatever unit you get use lock tite on the rotor screws.

This guy is back to a Delco opti after the MSD went bad at low mileage. Hopefully he will see this and tell you himself.
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Old Jul 20, 2009 | 08:31 PM
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Originally Posted by 96capricemgr
skip it, reliability is far less than stock.
That's B.S. at it's finest
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Old Jul 20, 2009 | 08:35 PM
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Ask all the guys that tried it and went back to stock.
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Old Jul 21, 2009 | 11:15 AM
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Originally Posted by GoFastKid
That's B.S. at it's finest
dont believe us go waiste $500 on one. i will see you mine used for 300
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Old Jul 21, 2009 | 11:29 AM
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I think its hit or miss. Mine served me well for over three years. I didn't think to loctite the rotor screws either, I installed the gasket and threw it on. I'm gonna throw a new cap/rotor on it and reuse it when I swap that LT1 into my Silverado.
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Old Jul 21, 2009 | 12:27 PM
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Personally, I'm glad I went with an OEM AC/Delco over the MSD when I replaced my opti.
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Old Jul 21, 2009 | 02:25 PM
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OEM w/ the MSD rotor and cap. Seems to be holding up well for the original opti..."knock on wood"
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Old Jul 21, 2009 | 02:40 PM
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OEM with MSD cap/rotor and loctite, has seen several 6500rpm scenarios and hasn't skipped a beat. Genuine AC Delco/Delphi FTMFW
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Old Jul 21, 2009 | 03:35 PM
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Hey:

Go with a genuine stock GM Delco opti and a MSD cap and rotor, or a Dynaspark, http://www.dynaspark.net/advantage, whichever way you go loctite, the rotor screws, MSD is either hit or miss, depending on how old a unit you get, older MSD opti have been known to fail, newer ones not so much. but is it, because not enough time has elapsed, or did they fix all of the problems they had, I hope the latter, but only time will tell.

Dub

When In Doubt Do Without
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Old Jul 21, 2009 | 03:43 PM
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I've heard the dynaspark used here and there, also have checked out the website.

opinions on dynaspark vs OEM?
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Old Jul 21, 2009 | 03:51 PM
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Originally Posted by ss.slp.ls1
Genuine AC Delco/Delphi replacement opti with thread locked rotor screws and siliconed seal FTW!!!
im currently in the process to install a new AC-Delco opti,,which locktite do u use,i have the red locktite..will this work? and how much to torque the rotor screws?
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Old Jul 21, 2009 | 04:09 PM
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Originally Posted by monster81
im currently in the process to install a new AC-Delco opti,,which locktite do u use,i have the red locktite..will this work? and how much to torque the rotor screws?
I used permatex red threadlocker on mine. Tightened down the screws wrist tight, the screws are small and don't need a lot of torque.
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Old Jul 22, 2009 | 01:10 AM
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I have one for sale i want 300 its new out the box never install it on my car its for a 93-94 if interested hit me up at 901-949-7991 willie
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