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Re: 8n Pistons and cam for more power?
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Posted by Randyr on May 30, 2007 at 20:13:36 from (161.19.64.5):
In Reply to: 8n Pistons and cam for more power? posted by ChrisNC1 on May 30, 2007 at 18:49:31:
How about doing this: A guy in India has been cutting a groove in cylinder heads (flat and ohv) and been getting good gains in torque and fuel economy. Torque is more important for a tractor than horsepower. Horsepower is a function of engine speed, you need rpms to make horsepower. Torque works at lower engine speeds. Or look at it this way. To get your car up a steep hill, you downshift and rev the engine, and it makes lots of horsepower to get up the hill. But a high torque engine allows you to carry on up the hill in high gear without losing speed. His groove works by acting like a high velocity nozzle on the compression stroke, to really mix and vaporize the fuel/air mix, and then on ignition, it acts as a passage to carry the flame out to the very edge of the cylinder and get that part burning earlier. So all the fuel mix burns sooner while the piston is up and makes for a stronger push on the piston, more torque. Some drag racers are using it and reporting success. Read about it here: http://www.somender-singh.com/
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