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-   -   What is the difficulty of installing an Optispark (http://www.msdignition.com/forum/showthread.php?t=18599)

tsamford 10-03-2012 10:28 AM

What is the difficulty of installing an Optispark
 
I see where the difficulty of installing an Optispark on an LT1 has been questioned. Here are a few photos showing the steps for installation:

Here is an image of a 92 LT1. The antifreeze, air cleaner system, water hoses and drive belt are already removed.
http://i43.tinypic.com/2nvc8ro.jpg

Here is the water pump. If you peer down this hole, you can see the Optispark and connector beneath the water pump.
http://i43.tinypic.com/20ffacx.jpg

http://i40.tinypic.com/2zfpu7p.jpg

Six bolts and the water pump comes off. Dude.. It is filthy back here.. Unfortunately, due to the Optisparks location, washing the engine is a bad idea.
Now you can see the factory Optispark. It sits behind the harmonic dampener.
http://i44.tinypic.com/11qlis1.jpg

tsamford 10-03-2012 10:29 AM

On my 92 Corvette, the steering components are in the way. So I pull the lines and pull them out of the way with a small rope. Remove three bolts and using a 6 inch two arm puller, I ease the harmonic dampener off.
http://i41.tinypic.com/14dddgy.jpg

http://i40.tinypic.com/2urayir.jpg

Here is the full view of the factory Optispark. Three bolts and it off it comes.
http://i43.tinypic.com/2ur8fgn.jpg

Here is an image of the MSD 8381 Optispark installed. Looks pretty clean, right? I replaced the water pump drive seal and the Optispark drive seal prior to installation.
http://i40.tinypic.com/qznhja.jpg

tsamford 10-03-2012 10:30 AM

Installed 8381 prior to putting it all back together. Sure is pretty..
http://i39.tinypic.com/28u00m0.jpg

msdtech1955 10-03-2012 10:48 AM

4 Attachment(s)
heres my install
Attachment 2461

Attachment 2462

Attachment 2463

Attachment 2464

msdtech1955 10-03-2012 10:50 AM

4 Attachment(s)
some more...
Attachment 2465

Attachment 2466

Attachment 2467

Attachment 2468

msdtech1955 10-03-2012 10:51 AM

1 Attachment(s)
had it apart and back together in 4 hours...
the camaro and firebird would do underneath ( no need to remove radiator)
and the impalas( caprice..was even easier )

Attachment 2469

msdtech1955 10-03-2012 10:54 AM

1 Attachment(s)
shot of vacuum tee
Attachment 2470

tsamford 10-03-2012 11:09 AM

I finished the install last night. It runs better than it ever has. Very smooth. And looks great too. It totally solved the issues I was having with the engine not wanting to run after it was hot. The old Optispark was not throwing any codes. :thumbup1:

tsamford 10-03-2012 11:31 AM

I did this as well.
http://forums.corvetteforum.com/c4-t...inter-lt1.html
http://slswebsite.com/Photos/Vette/Timing_bracket02.jpg


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