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Acceleration Junkie
Join Date: Aug 2007
Location: Laguna Beach, CA
Posts: 263
Originally Posted by John at J&S View Post

I found the amount of boost retard required varies with the amount of time you have been on the gas. Probably related to the temperature of the combustion chamber.

I turbocharged my Fiat sedan in 1980, and out of necessity, designed my own boost retard ignition. Marketed it as the TRAC II, before MSD had one. My day job I was a technician at Hughes Aircraft.

My turbo "system" was pretty crude, blow through the carb, no intercooler. The closer I got to work, the more boost retard I had to dial in keep it from knocking.

I started experimenting with knock sensors in 1982. Hughes "gave me the opportunity" to start my own business in '89. Individual cylinder knock control was released in '91.
Looking forward to the re-release of your single coil system.
Old 04-28-2008, 07:56 PM
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