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 pulley swap info and suggestions

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Tractor Man Jeff
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jaymz_eric
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PostSubject: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeFri Dec 28, 2012 9:55 pm

ok guys i got another question for ya about my LT1000 and a pulley swap. As of now i have 18x9.50x8 inch carlise ag tires but i need a little speed when im toying around the trails and my yard. I dont want to do 50mph but sumtin like 15-20 mph would be nice. I have the stock 3-3.5 inch up fropnt on the briggs 16.5hp and the stock 10inch on the rear.....any suggestion, I'd prefer to keep my front pulley the same...can i switch the rear to a smaller one and get more speed with the front left stock? thanks for any advice!
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Ariens YT11
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeFri Dec 28, 2012 10:07 pm

If you want more speed go to a 6" or 7" pully.
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Doug
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeFri Dec 28, 2012 10:22 pm

Easiest would probably be to buy a pulley for the rear, around 2-4". I know when I swapped my pulley on the Agway the first time I went down to a 2 1/2" and got around 15mph on a flat straight with the stock front.

Or you can put a bigger pulley on the front, but thats a little trickier.

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Tractor Man Jeff
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeSat Dec 29, 2012 7:21 am

On my LT1000, I the largest pulley up front that It could handle without modding the clutch.( 5" pulley) On the rear, I put either a 3" or a 4" pulley. That put me at about a good 15mph.

_______________________________________________
My truck: 1986 Ford F-350 Cab&Chassis, IH 6.9L diesel V8, BW T-19 4 speed with granny gear, 2wd, 9ft Knaphiede westerner flatbed.
My tractor: Craftsman LT1000, 17HP Briggs Now a 20HP Briggs Apposed Twin, 6 speed Dana Trans-axle pulley swapped to 15MPH, golf cart front suspension and tires, ATV tires on the back, Rear ATV rack, front brush guard.

"An unconfirmed piece of junk in someones eyes can always be turned into a confirmed piece of art in your eyes."
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dangeroustoys56
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeSat Dec 29, 2012 4:00 pm

1:1 is a good ratio for most mod tractors - you dont need extreme pulley changes for drastic changes either ( besides having to get a new belt and other clearance issues) - on my 11HP agway with a 3 speed - i did a simple 4" motor and 7" trans pulley and in 3rd it went pretty decent ( wanted a lil more then stock geriatic speed) - but i ran into clutch issues and belt issues. Ive since went back to stock with it , since im going to mow with it again.

Doing a simple foot/hand throttle will net a lil more power also - can be controlled alot easier then the stock throttle.
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avrappy
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeSat Dec 29, 2012 4:22 pm

Hello. I'm new. I have a 90's Craftsman .It had a 15hp B&S.It's got a 5 speed shift on the fly trans. I put a 8 hp B&S. It had a 3" front & 9" rear.I put a 2'' pully on the rear and it goes good. I don't know how fast it goes yet. Nothing here in N. IDAHO but snow & ice. 1st, 2nd is cool. 3rd is ok, I can barely get into 4th so far under half throtle. It is all over. Havn't tried 5th yet.It's got the stok 20/10/8 on rear and 15/6.60/ 6 on front. It's a hoot with just a 8hp .Reverse is as fast as it was in forward with the stock pully. will post pic.s later. Twisted Evil
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeSat Dec 29, 2012 4:32 pm

Any smaller then a 3" on the back will give issues - there isnt enough pulley to wrap a belt around . Id suggest putting fresh oil/grease in the trans or itll self destruct .
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avrappy
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeSat Dec 29, 2012 5:40 pm

I put in another tentioner. I'm planning on putting zerk fittings in the trans. The cold weather is helping. I don't run it hard or run it fast for long. I might go with a 3'' soon. bounce
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Tractor Man Jeff
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeSat Dec 29, 2012 10:05 pm

Instead of getting a new belt, I rigged up a double idler pulley assembly to take up the belt slack. All the parts came from the mower deck. No money spent.
pulley swap info and suggestions DSC_0432

_______________________________________________
My truck: 1986 Ford F-350 Cab&Chassis, IH 6.9L diesel V8, BW T-19 4 speed with granny gear, 2wd, 9ft Knaphiede westerner flatbed.
My tractor: Craftsman LT1000, 17HP Briggs Now a 20HP Briggs Apposed Twin, 6 speed Dana Trans-axle pulley swapped to 15MPH, golf cart front suspension and tires, ATV tires on the back, Rear ATV rack, front brush guard.

"An unconfirmed piece of junk in someones eyes can always be turned into a confirmed piece of art in your eyes."
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avrappy
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeSat Jan 12, 2013 2:49 pm

Update.. I found out I had a 4 speed, not a 5 speed. Replaced the 2.5'' front stock pulley with a 3.5''. Third is now like 4 was & I havn't tried 4th. Bloody fast for icey road. . Reverse is like 2nd was. Driven output is like 6300rpm from 4500rpm. I thought about a 5'' pulley in the front. Would be too much. 9900rpms.
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craftworks125
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeTue Jan 22, 2013 10:44 am

The middle pulley in the picture should be a V pulley not a flat, just so you dont wreck your belt.
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Tuffy55
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitimeTue Jan 22, 2013 11:30 am

ya ok craftworks Wink
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PostSubject: Re: pulley swap info and suggestions   pulley swap info and suggestions Icon_minitime

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