the dohc motor makes more power easier than the sohc. period. you may be noticing more sohc guys arising cuase they are on budgets and cannot afford to swap the dohc motor and then build and turbocharge them. you will not be seeing 600+whp sohc motors anytime soon.
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Mike
MotorMatrix.com
R.A.W Racing
1.877.84.Motor
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