Quote:
Originally Posted by Zone 5
The old V6 300, the 350 and 400 were all the same motor with different programs. You used to be able to get a 350 programed up to more than 450, but Mercury clamped down on something and that went away, except somewhere on the dark side.
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I assume you meant L6 and not V6, and yes they were the same motor except for programing
And FWIW the 350 was about 325hp and the 400 was about 370 hp, I asked the guy at Mercury who did the programing for these about the 450hp claim and was told any more programing , fuel, boost and etc produced very little extra power but put a ton more heat into the motor