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Old 04-19-2009, 08:26 PM   #1
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Default .21 offroad and .21 onroad

can anyone tell me what the difference between the two engine? Also can i use this motor on a truggy or buggy.
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Old 04-19-2009, 08:34 PM   #2
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Originally Posted by rcdoc42 View Post
can anyone tell me what the difference between the two engine? Also can i use this motor on a truggy or buggy.
Onroad motors have a lot more port timing in them. This gives them more peak horsepower at high rpm's but less bottom end torque than a lower timed offroad motor. You certainly could run an onroad motor in a buggy or truggy but it's performance and fuel mileage would probably not be as good as the better offroad motors.
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