Tim, I chose the Pertonix Ignitor 11 and the corresponding 45,000 volt coil. Personally, I prefer the magnetic pickup over an optical simply because I felt that the magnetic would be less susceptible to potential dirt and oil films. Also, the Pertonix is all contained in the little black box that goes in the distributer. I suspect that either would be just fine.

I took me a bit of time to figure out how to run the wires so the transistor box was bypassed but aside from that it went fine.

For some reason, my vac retard stopped working but that seemed to have been a problem with the dust cover over the points jamming the module, once that was removed all was well.

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Litton
'90 420 SEL (sold)
'72 280 SEL 4.5
'98 ML320 (for sale)
'86 560SL
'05 Jeep Grand Cherokee Ltd (offroad in style)
'87 Chevy Blazer (AZ Pin Strips)