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tsx 464 venturi
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Charlie175 View Drop Down
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Joined: 11 Sep 2009
Location: Shenandoah, VA
Points: 6358 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Charlie175 Quote  Post ReplyReply Direct Link To This Post Topic: tsx 464 venturi
    Posted: 08 Aug 2015 at 7:55pm
My new to me WD carb was leaking at the load jet so I removed the carb,
when I took it apart it has no venturi.
Tractor ,runs OK, but I think it would need the venturi for best performance
Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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bigcountry48 View Drop Down
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Joined: 28 Aug 2011
Location: Georgia
Points: 1100 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bigcountry48 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2015 at 12:34am
I'd definitely put one back in there, you can order an oversized one. That won't reallyhelp unless you do some other work to the carb but it's a good start.
1950 B, 1952 pulling wd, and 1954 wd45
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Charlie175 View Drop Down
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Joined: 11 Sep 2009
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Points: 6358 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Charlie175 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2015 at 5:31am
do you know what the standard size jet that came in the 464?
I see on McDonalds carb site you can only only order about 3 sizes.
Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20553 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2015 at 7:08am
It cannot even run without a venturi.
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DrAllis View Drop Down
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Points: 20553 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2015 at 12:24pm
Part number 46-A 248 is the one inch venturi which will fit a TSX464 and is larger than the original one that came in a TSX464.
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Charlie175 View Drop Down
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Joined: 11 Sep 2009
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Points: 6358 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Charlie175 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2015 at 12:58pm
Tractor did run, pretty much as normal. it did stumble at higher RPM's though

I put in the venturi from my 17 and it does run better at all RPM's
Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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bigcountry48 View Drop Down
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Joined: 28 Aug 2011
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Points: 1100 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bigcountry48 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2015 at 1:03pm
You might even consider sending the whole carb to McDonald's carb, he will ask you what cubic inches and what rpms your running and build a carb to your tractor. He flow tests them and the whole 9 yards, I've been very impressed with the carb he built me. I would highly recommend him.
1950 B, 1952 pulling wd, and 1954 wd45
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Charlie175 View Drop Down
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Joined: 11 Sep 2009
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Points: 6358 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Charlie175 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2015 at 2:38pm
thank you for the information
Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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Charlie175 View Drop Down
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Joined: 11 Sep 2009
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Points: 6358 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Charlie175 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Aug 2015 at 5:59am
My 1" venturi came in as well as a new load jet.
The new load load has 1 hole on the side for fuel intake. The old one has a hole through both sides. I assume someone drilled this out for greater fuel passage?

I left the old one there and with the new venturi, the engine runs much cleaner. 
Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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Steve in NJ View Drop Down
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Joined: 12 Sep 2009
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Points: 11823 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve in NJ Quote  Post ReplyReply Direct Link To This Post Posted: 13 Aug 2015 at 6:12am
Its amazing that it ran with no venturi in it. Wow!
39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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Charlie175 View Drop Down
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Joined: 11 Sep 2009
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Points: 6358 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Charlie175 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Aug 2015 at 6:43am
Originally posted by Steve in NJ Steve in NJ wrote:

Its amazing that it ran with no venturi in it. Wow!

I actually pulled it in 3500 class and it did OK until it bogged down at the end. I was also getting a lot of black smoke from too much fuel.
Came home and decided to check the carb and found no venturi. I was surprised also
Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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