When I first built it, it made 486hp on the engine dyno, running a little rich with their exh, and a factory style elec ignition. after it went in the car, i added a full MSD ignition, dialed in the carb, and better exh.
With the supercharger, I hope you to make over 600 to the wheels.
Tasty.
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2004 NASA AIX Mustang LS2 #14
1964 Lincoln Continental
2014 4 tap Keezer