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Case Tractors Discussion Forum
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Case 300/VAC questions

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old

03-28-2008 10:51:50




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Well I have Larry59s 300 here to do a clutch job and we got to looking at its engine and the engines in my 2 VACs and they look to be the same engine. So the question is are they in fact the same engine or are they different??
Thanks




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dwag

03-29-2008 07:34:27




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 Re: Case 300/VAC questions in reply to old, 03-28-2008 10:51:50  
Long time retired Case dealer/mechanic thatloafs at our shop, said Case engineers deliberately worked VAC engs. on a dyno till they "blew", then beefed up and improved failed components to make the "300" engine. If you don't believe me, You can ask him yourself,.... if you have 4 or 5 hours.lol



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MaverickLatino

04-07-2008 13:58:24




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 Re: Case 300/VAC questions in reply to dwag, 03-29-2008 07:34:27  
Could you ask the retired dealer/mechanic what the name of this part is? I will describe it to you the best way I can.
I is a part of the steering box on my VHA (?) tractor. (not sure if VHA or year, plate was removed). It looks to be appx 10 inches long and hollow if I remember right. Has a round flat end with holes on the part, seems to be used for taking out play on the steering. Mine is broken in half and the adjustment end is shattered. Can you or him tell me what that part is called and where i might be able to find me one of them things.
I am new at the tractor game and am totally out of my element.

I really thank you or anyone who can shed some light on this for me.

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jay-eye-see

03-28-2008 12:05:24




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 Re: Case 300/VAC questions in reply to old, 03-28-2008 10:51:50  
The VA series is 124 ci and the 300 series is 148 ci, the 350 series is 164. with a 2 bttm eagle hitch plow, my vac-14 seems like its all it wants, my 350 plays with it as the 300/350 is rated 3 bttm



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VACLee

03-28-2008 11:54:23




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 Re: Case 300/VAC questions in reply to old, 03-28-2008 10:51:50  
They are very simliar. The crank is different having a longer stroke and a thicker rear throw. The block is also a little different to accomadate the difference in the cranks. The block is about 5/16" longer. Most of the other components will interchange. The flywheels are different but they can be swaped from one to the other being that they are both balanced neutral. The 300 starter will not work with the VAC block because of the casting recess not being large enough. I have bought 2 311s that had VAC engines and the starters had been butchered to get them to work. Cams are the same and the later VAC governor is the same. Heads are the same casting but has a different #. Rods and rod bearings are the same, and the front and center main is the same. The rear main is different. The rear seal retainer is different but the seal is the same. The throttle linkage on the side of the block is different, and if you have the early block they will not interchange because the mounting holes are spaced closer.

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