Opti Spark Replacement & Upgrade

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I have been yapping to your fearless leader about this and that and the discussion of Opti Spark on LS1's came up.

I'd never worked on one so I went looking.  Found what I thought was a neat article so I grabbed it, hacked it, bent and twisted it and now have it in a format that we can post here.

It's 21 individual shots of pages so just keep scrolling down.

Enjoy the read.

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PS I have a pdf printable copy now if anyone want's one