optispark
Thread Starter
Melting Slicks
Joined: Dec 2001
Posts: 2,437
Likes: 1
From: Gainesville Fl
optispark
hey guys i think i posted about this a while back but couldnt get any information on it. how hard is it to replace a humidity damaged optispark with a msd ignition system? if its not that difficult then why isnt it done more frequently? why do people just ge replacement optisparks that just keep giving them problems with humidity? any info on this would be greatly appreciated. thanks a lot
Thread Starter
Melting Slicks
Joined: Dec 2001
Posts: 2,437
Likes: 1
From: Gainesville Fl
Re: optispark (STL94LT1)
i am not trying to argue with you but why is it not replaceable? you can get msd ignition systems with a distributer and everything along with the spark sensor thing. and i thought the optiaprak was just a poorly designed distributer? im still kinda confused on this. please help me out
Racer
Joined: Dec 2001
Posts: 498
Likes: 0
Re: optispark (1996man)
Well, if you are talking about dropping in an MSD distributor, you would have to drill a hole in the back of the manifold to put it in. To my knowledge there is no replacement optispark distributor.
Le Mans Master
Joined: Sep 2001
Posts: 7,928
Likes: 1
From: More cowbell...
St. Jude Donor '04
Re: optispark (1996man)
hmmmm does anybody know where i can get any information on this being done before?
-Mark
P.S. Rumor has been going around for a while that MSD is making an opti replacement.. but I wouldnt hold my breath.
Racer
Joined: Apr 2002
Posts: 353
Likes: 0
From: Dayton TX
Re: optispark (MarkLT1)
ok i dont kjnow much about this optispark deal but i do know electronics and it seems to me that water shorts this sucker out quicker than anything if it gets anywhere near it right? someone has had to try the simplest solution possible for this.... which is seal that bad boy up with some silicone or stick it in a box and seal that thing up so it'll stay dry even if you take a dive in a lake....
so is that possible? if/when i get mine i wont drive it in wet weather ever so i need not worry much about it, luckily.
so is that possible? if/when i get mine i wont drive it in wet weather ever so i need not worry much about it, luckily.
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Race Director
Joined: Jan 2002
Posts: 12,261
Likes: 85
From: O'Fallon Missouri
Re: optispark (cougarSVT)
if/when i get mine i wont drive it in wet weather ever so i need not worry much about it, luckily.
Drifting
Joined: Jun 1999
Posts: 1,874
Likes: 1
From: Garden Grove CA
Re: optispark (MarkLT1)
Actually Mark, I'm pretty sure it HAS been donel. I'll have to dig around for the link to the site with photos of all the work - I actually think it is from somewhere on this forum. Basically you will need a small body HEI distributor without electronic timing control - just good old vacumn and mechanical advance. As was said above you will need to drill an appropriate hole in the back of the manifold, you will also need to eliminate the EGR valve and relocate the passenger side air injection check valve.
Thomas
Thomas
Racer
Joined: Apr 2002
Posts: 389
Likes: 0
From: Micco FL
Re: optispark (1996man)
Here is the link to a step-by-step article on converting and sealing an Opticrap. However if you already have a 96 then there is another issue.
http://www.corvettefever.com/editori...=text&id=16758
http://www.corvettefever.com/editori...=text&id=16758
Race Director
Joined: Apr 2001
Posts: 19,329
Likes: 15
From: Saint Augustine, FL
Mid-TN Events Coordinator
St. Jude Donor '03-'04-'05-'06-'07-'08-'09-'10-'11-'12-'13-'14-'15-'16
Re: optispark (1996man)
Electromotive at one time had a complete conversion kit for the Optispark. I recall somebody using it, and had success...to a point. There was some sort of problem with high RPM cutouts if I remember correctly.
http://www.electromotive-inc.com
http://www.electromotive-inc.com
Advanced
Joined: Sep 1999
Posts: 87
Likes: 0
From: Frederick, MD, USA
Re: optispark (1996man)
This may help explain some of what is involved in getting rid of the opti.
http://web.camaross.com/bb/Forum30/HTML/001074.html
