Its basic math.
First off you’ll need to find the % of drive line loss.
Stock WHP x 100 / Stock Crank HP = Y (% of power hitting the pavement.)
Y + Q = 100 (So Q is the unknown here and when found it Q = % of drive line loss)
Example
300 WHP x 100 / 360 = 83%
83 + 17= 100
17% drive line loss
With that number you can calculate CHP from WHP
WHP x 1.driveline loss (1.17) = Crank HP
Now this is just an approximate calculation it doesn’t take into account other variables.
First off you’ll need to find the % of drive line loss.
Stock WHP x 100 / Stock Crank HP = Y (% of power hitting the pavement.)
Y + Q = 100 (So Q is the unknown here and when found it Q = % of drive line loss)
Example
300 WHP x 100 / 360 = 83%
83 + 17= 100
17% drive line loss
With that number you can calculate CHP from WHP
WHP x 1.driveline loss (1.17) = Crank HP
Now this is just an approximate calculation it doesn’t take into account other variables.
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