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 Speed build.. Need help

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Bandit1
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PostSubject: Speed build.. Need help   Fri Jan 25, 2013 2:12 am

Currently I have my murray geared up to about 35-40 mph. I would like more acceleration and still keep my top speed. I'm in need of some ideas for what I could do.
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W1ldyOvvnZ
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PostSubject: Re: Speed build.. Need help   Fri Jan 25, 2013 2:25 am

what about possibly setting up a torque convertor? i dont know if they work vertically though.
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Stretch44875
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PostSubject: Re: Speed build.. Need help   Fri Jan 25, 2013 8:03 am

This is one time where a bigger engine would help. Stock 14hp singles, up to 20 hp twins, will get the job done. But with more horsepower, comes broken transaxles.
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dangeroustoys56
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PostSubject: Re: Speed build.. Need help   Sat Jan 26, 2013 2:55 pm

Usually when you go faster you change drivetrains, like to RAGB's and straight axles or 700 peerless transmissions, the 600 series peerless are good for speed as well.

Even those should be modded for speed actually.

Bigger motors will net more speed , pulley changes usually will cure acceleration lag, but end up slowing you down, going with a go kart clutch would be quicker off the line also.

I ran a 6" motor pulley on my 18HP twin murray - it had a lil lag initially , but wound up quick enough.

Larger the motor pulley, slower the take off - even with a foot throttle.
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