Trigger_guard
I'm Awesome
10/1 is definitely doable. With the help of a knock sensor and electro dizzy. It would kill the timing with a stock cam.I ran 10:1 on a TBI'd 406 with 87 octane. Thing was an absolute monster. Zero issues with the motor. All stock ECM and fueling. Many S/C are designed to run on stock motors, meaning not forged internals. They aren't putting out that much boost.
But getting 10/1 out of a 400. Isn't stock. So I'll assume your running a pretty good cam
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