All engines still HP and Torque meet at 5250 however when building a big engine the chart will sow higher numbers but 5250 still remains.
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All engines still HP and Torque meet at 5250 however when building a big engine the chart will sow higher numbers but 5250 still remains.
Was speaking of auto engines not of whackers. Forgot this was a outboard forum, however 5250 is where torque and HP cross, the power range above that can change but 5250 doesn't. Go to engine dyno...
At 5250 where the HP and torque meet.
To tune pipes I remember putting a fitting on each pipe taking the highest vacumn reading .Then cutting the pipe from the center of the exhaust valve to the end of the pipe.
Thats about 50 plus...