Thanks for all of the good info ..... Three or four months ago I would have been interested in trying some of the alternatives that you mentioned. As it is, I have ordered a fully programmable ECU from SDS

It will fully manage fuel delivery and ignition timing. I will post my progress and experiences when they occur.

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Jim Villers
190SL, 230SL 5-speed, 95 E320 Wagon, 01 E320 Wagon, MGB, Boxster 'S', 190SL "Barn Find"