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 Gearing for 74 Murray question

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k2500life
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PostSubject: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 10:16 am

Alright so the other day I saw this beast of a mower, it was lifted about 8in on 29.5in outlaws, had a twin in it and was a Murray select, my QUESTION is how can I make my 74 Murray to spin around corners and shoot rooster tails without bogging, this thing was like a sport Fourwheeler, my Murray has a 18hp oppy on it and the 4spd rear, what pulley ratios do I need to set up on it to do this? And what cheap performance improvements can I do?
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 12:10 pm

um... I need transaxle information, tire size and maybe a picture or two.
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k2500life
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 12:34 pm

Gonna have 25s, and it's a 4spd manual, side drive 5 lug, and it's cast iron
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 12:52 pm

nice Gearing for 74 Murray question Icon_biggrin I might try a 6" or 7" pulley onhe engine and a 4 1/2" on the axle, maby a 5"
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k2500life
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 12:59 pm

That go around 30?
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 1:17 pm

yeah, with the govener
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k2500life
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 1:19 pm

and I still want torque
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 1:37 pm

k2500life wrote:
and I still want torque

With a 2300 you should have plenty of torque in 1st gear.
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k2500life
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 1:42 pm

Yeah I'm talking bout in 4th gear also so it don't bog down when I'm mudding
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 2:00 pm

If you want speed or power in all gears then you have to have one or the other, you can gear it for 30 but just use lower gears for offroad. 2300 is oils filled full bearing and very strong.
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 2:06 pm

Yeah I know I've geared mowers before, but typically don't have much torque when I go for speed, GOT ANOTHER QUESTION??? WHEN I PUT A BIGGER PULLEY IN THE FRONT AND A SMALLER IN THE REAR DOES IT GIVE MORE TORQUE ALONG WITH SPEED AS OPPOSED TO A SMALLER IN FRONT ALONG WITH A SMALLER REAR
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 2:34 pm

no, but the belt won't slip as much as with smaller pulleys
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 2:49 pm

If you still want torque, then keep it stock speed. anything that makes it faster you loose torque. If you already have geared one before how dont you know?  Laughing 
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k2500life
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 7:49 pm

I do know because I've geared many before BUT u didn't understand my question, how to make it to beable to doing the tires like that and not bog down and it went like 45
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 8:08 pm

More power would be the only way like bigger engine for instance. Torque is leverage so if you change your pulleys for more speed you lose leverage/torque in order to gain speed. So to make up for the loss in torque to add speed you need to add engine power. Make any sense?
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k2500life
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PostSubject: Re: Gearing for 74 Murray question   Gearing for 74 Murray question Icon_minitimeTue 29 Apr 2014, 8:12 pm

Yeah I understand that, just never mind lol ill figure it out
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