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Ha, JOHN! Eric White bought your stage 3 kit and then blew up the motor on that car (no fault of your or your products). I now own it .
Anyway, how about running the GM 1227749 ecu? Theres a 928 guy running it, and you can get these from Syclones, Typhoons, and Turbo Sunbirds. Also the Quad-4 engines (87-88 Grand Prix?) use them.
Theres free software online that has full-tune capability and it knows boost too. You can get a brand new ECU for $200 too, and you can use all GM connectors.
I'm going to go this route on my 951, and probably other cars later.
I went with Megasquirt, built it from scratch. Learned a hell of a lot in the process, its not fully tuned yet but its running well. If you want a semi-turnkey package installation wise go with SDS. If you want to build it and learn about it go MS. You really get into the nitty gritty with MS, its a mental challenge for some installs.
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