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D17 tractor
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somebody View Drop Down
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Joined: 03 Jun 2010
Location: western NC
Points: 111 		Post Options Post Options   Thanks (0) Thanks(0)   Quote somebody Quote  Post ReplyReply Direct Link To This Post Topic: D17 tractor
    Posted: 08 Sep 2010 at 7:41am
226 4 cylinder gas engine
could someone tell me if this is the correct valve arrangement?
 starting at front of head     E  I   I  E   E  I   I  E
Also if anyone need them I ended up with a set of .020 rod bearings and a set of .030 main bearings new still in box.
Many thanks
 
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paulinkansas View Drop Down
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Joined: 30 Nov 2009
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Points: 45 		Post Options Post Options   Thanks (0) Thanks(0)   Quote paulinkansas Quote  Post ReplyReply Direct Link To This Post Posted: 08 Sep 2010 at 9:10am
Old McDonald had a farm, E I E I....
 
But seriously, your valve arrangement looks correct.  The exhaust valves are a little bigger than the intake valves.
 
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CJohnS MI View Drop Down
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Joined: 27 Jun 2010
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Points: 326 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CJohnS MI Quote  Post ReplyReply Direct Link To This Post Posted: 08 Sep 2010 at 10:03am
Originally posted by paulinkansas paulinkansas wrote:

Old McDonald had a farm, E I E I....



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BobH View Drop Down
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Joined: 19 Aug 2010
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Points: 17 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BobH Quote  Post ReplyReply Direct Link To This Post Posted: 08 Sep 2010 at 10:07am
If your settin valve lash,I set mine all at .012.
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somebody View Drop Down
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Joined: 03 Jun 2010
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Points: 111 		Post Options Post Options   Thanks (0) Thanks(0)   Quote somebody Quote  Post ReplyReply Direct Link To This Post Posted: 08 Sep 2010 at 10:58am
I am setting the valve lash and they are a little loud and I just wanted to be sure if I was doing it right, I have worked diesels for years and the valves adjust a lot different from an allis chalmers gas.
I do appreciate your info.
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Brian G. NY View Drop Down
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Joined: 12 Sep 2009
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Points: 2244 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian G. NY Quote  Post ReplyReply Direct Link To This Post Posted: 08 Sep 2010 at 6:34pm
If you ever have the occasion to remove your intake/exhaust manifold, you will see why your configuration is correct.
There are 4 exhaust ports, one at each end and two in the middle.
There are only 2 intake ports as 1 and 2  cylinders are "siamesed" into a common port and 3 and 4 cylinders into a second port.
Not the ideal setup for a high performance racing engine but works fine on a tractor.
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Brian G. NY View Drop Down
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Joined: 12 Sep 2009
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Points: 2244 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian G. NY Quote  Post ReplyReply Direct Link To This Post Posted: 08 Sep 2010 at 6:36pm
On second thought, I guess it will be fairly obvious if you look at the manifold configuration as its mounted on the engine.
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