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Case Tractors Discussion Forum

Hey C Amick

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01-18-2007 14:18:03

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I've talked to you about my VAC before and what you have done to get more HP out of them! But heres my queston what kind of HP do you think i can get out of stock pistons and cuting the head .100+ ? Its 19/20 HP now! I would like bigger O/S Pistons but there not in the budget right now with other projects that needs completed first. Cliff

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C. Amick

01-18-2007 18:46:14

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 Re: Hey C Amick in reply to CLIFF S, 01-18-2007 14:18:03  
I've never modified one. I was just relaying information that I had read. Do you have cast iron or aluminum pistons? If they are cast iron, you may be able to pick up a set of used aluminum ones on Ebay. If they are slightly larger, you may be able to have the sleeves bored while leaving them stuck in the block without too much expense. You could probably bump up the RPM's a little, especially with the aluminum pistons.

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01-18-2007 20:11:18

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 Re: Hey C Amick in reply to C. Amick, 01-18-2007 18:46:14  
Well there Cast i bet! and if i go with other pistons i will spend the almost $600 (thats almost as much as i have in the tractor)for the inframe and i know there 28+ HP or so on the ones we have tested on the dino, But until then i was wanting to gain 4 or 5 HP to maby pull it in 3000 and well on a loose track 3500lb Non Cut tire classes! Its Kno't that i Don't have other tractors that work verry well pulling But i just want to pull my VAC at one local Pull that i won 2500 and 3000lbs class witha Stock Allis C! I could take my Super C that we use to farm with but it would be too easy with a 30 HP tractor threw 4000 and the only challange would be 4500 and we don't want to promote much more than stock in our Non cut tire class because we seprated the warmed over tractors into a 3.5 mph Cut tire class.

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C. Amick

01-19-2007 09:43:50

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 Re: Hey C Amick in reply to CLIFF S, 01-18-2007 20:11:18  
The small Allis tractors like the "C" and "WD" are good competitors because they have a high engine horsepower (cubic inches) to weight ratio. I also have a couple Super C's that I use on the farm.

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01-19-2007 19:45:43

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 Re: Hey C Amick in reply to C. Amick, 01-19-2007 09:43:50  
I have Two Super Cs ! The one i spoke abought that has been on the farm since new and the Puller That i been Pullin NATPA 3250B class this winter with! Back to the VAC i put 11.2 36 tires on it because it had 32in on it that was shot/hard to find/expensive and i had the 36 in almost new tires and rims laying around and it runs fine but when i run my 6 ft woods mower to clip stalks or grass it falls on its face in tohgher stuff that the Su C would hardly know its there and the fact that i would like to pull it in 3000lb class at a place i help iut with and i dont have much time to pull there with beening a helper thats why i pulled only my allis C in two classes other than thats all it would handle! So do you think with cutting the head .100 or so it will be up to 24 or 25 HP like a stock Su C from 19 hp like it it know?

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