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rhino 450...machined sheave? OD weights??

This is a discussion on rhino 450...machined sheave? OD weights?? within the General Rhino Discussion forums, part of the General Rhino category; Hey guys, Any 450 guys made any mods with real results?? looking to lower engine rpm's at 30 mph cruising speed. I see the OD ...


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Old 05-09-2011, 09:45 AM
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rhino 450...machined sheave? OD weights??

Hey guys,

Any 450 guys made any mods with real results?? looking to lower engine rpm's at 30 mph cruising speed. I see the OD weights do not come in 12gr.....Anyone who has REALLy tested these and running a 450, please point me in the right direction.

Thanks

GF
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Old 05-09-2011, 11:28 AM
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Heavier primary clutch roller weights will lower your cruising RPM. However, they will also lower the RPM during all stages of acceleration and will make it accelerate at a slower rate.
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Old 05-09-2011, 12:30 PM
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Someone on here had a 450 no too long ago and he went with oD weights and had great results. go with 16, anything lower can crush..
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Old 05-09-2011, 09:27 PM
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yep i put in the 16gr od's and got the blue secondary spring. i am very happy with them. top speed now 42+ and more power on low end also. now it runs like it's being pulled behind a chevy truck till bout 38-39 and is a little slower hitting top speed but not enough to bother me anyways. so in all i say do it and you will be surprised at difference
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Old 05-09-2011, 09:41 PM
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There i are! lol couldnt remember your name!
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Old 05-09-2011, 09:52 PM
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Looks like utv inc on sells 14gr and 18gr ??

Thanks
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Old 05-09-2011, 09:58 PM
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Quote: Originally Posted by Gtperformance View Post
Looks like utv inc on sells 14gr and 18gr ??

Thanks
Ya, they sold out of 16gr. Hot Rod has them, and so does Hunterowrks.com

the 14`s are too light, go 16.
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Old 05-09-2011, 10:21 PM
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So are the OD weights better than a machined sheave? Do they start out at a higher setting losing bottom end? Benchmark says the heavier weights will slow acceleration??

Just trying to figure out what to buy....ready to do something just trying to make the right decision the first time.

Thanks
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Old 05-09-2011, 10:35 PM
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Over stock you wont lose enough bottom end to tell, they came out with a new cut of the weights so u dont lose any bottom. The lighter the weight the higher the RPM will be when it shifts into the next gear, if you go too light it will hurt you. I would go 16. The OD weights REACT faster than a machined sheave, and they are smoother in my opinion. Thats why hot rod sheave is great, it gives you ultimate low end with the OD top end and smooth no roller flop. If you hit him up he might be able to machine a 450 sheave next.
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Old 05-10-2011, 10:40 PM
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yeah maybe he won't leave us 450 guys out
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Old 05-11-2011, 03:28 AM
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Quote: Originally Posted by RSRRhino View Post
yeah maybe he won't leave us 450 guys out
Ill check it out
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Old 05-11-2011, 04:41 AM
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450 sheave

Count me in also.........I dont get it the 450 is like a Redheaded step child everyone wants to ignore..
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Old 05-11-2011, 06:25 AM
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Well guys....Ordered some OD weights and going greaseless sliders as well.
Plotted it on GPS yesterday on 3 runs... It runs 34.3mph when it starts hitting the rev limiter. Will change out the weights and report back the change (next week) Good or bad we will see what happens.
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Old 05-11-2011, 07:22 AM
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are u sure u installed them correct??
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Old 05-11-2011, 09:27 AM
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Look into a CDI box also to deal with your forward and reverse rev limiter issues this will gain you about 3MPH..
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