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WANTED Velocity stack for johnson

As i read somewhere before if they were half as good as most people think Mercury HI-PO would've intalled them at the factory.
 
i tried to run without carb cover today,,it felt like more punch,but running at mid range the engine would hesitate and drop rpm like it was starving for fuel..put cover back on and ran fine..i will be trying out 2 chopper props tommorow,,23p and 25p,,lets see what happens..
 
If you feel extra punch it's probably because you wanted too, our brains will trck us if we want something to work. Put you airbox back on if your gonna run it hard.
 
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