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Case Tractors Discussion Forum
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VAC gearing

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Eldo case

01-08-2006 09:25:16




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Has anyone regeared a vac? I would like to slow one down so we could run 15.5x38 tires at 3.5mph at rated engine speed. Something like a slower 1st. gear or a gear reduction in the tork tube!!!!! ! I don't think gears in the final drive would slow it down enough. It don't have enough horse to run the engine that slow but close. It has 14.9x28 tires now they don't hold it. With a little help it will be more of a light weight pulling champ! Thanks!

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VAC Lee

01-08-2006 15:49:00




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 Re: VAC gearing in reply to Eldo case, 01-08-2006 09:25:16  
Which type brakes do you have. If you have the bands you can go to the 12 tooth pinion gear and be real close. We are running 13.6 x 36 on ours and it runs 2.9 - 3 at full throttle 1st gear. We have considered changing to a 13 tooth to pick our speed up alittle, but for the time being we have been running second gear part throttle. Also you will need to change the bull gear to match the pinion gear. I don't think the 12 tooth is availible for the disc brakes.

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CLIFF S

01-09-2006 05:29:07




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 Re: VAC gearing in reply to VAC Lee, 01-08-2006 15:49:00  
What are you guys using for a engine to need that big of tire, a 201?



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Eldo case

01-09-2006 07:00:22




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 Re: VAC gearing in reply to CLIFF S , 01-09-2006 05:29:07  
148 lp head milled all the way with a 500b cam 530 intake with a 530 carb. 200# compression had to shorten pushrods they were too long after head mill job. Tough little tractor.



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CLIFF S

01-09-2006 11:02:39




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 Re: VAC gearing in reply to Eldo case, 01-09-2006 07:00:22  
Is this an enlarged stock block or just 3 7/16 pistons?



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