New type of needle valve

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john2189
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New type of needle valve

Postby john2189 » Fri Jul 23, 2021 4:05 pm

I got an ih carb kit from McDonald carbs and it had this for the needle valve. I didn’t use it, the steel tipped one I took out looked good so I put it back in.

DC353BB4-A784-40D7-AC58-155700DF9D5B.jpeg
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Bob McCarty
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Re: New type of needle valve

Postby Bob McCarty » Fri Jul 23, 2021 5:10 pm

McDonald has been selling those for several years now. I think they had so many complaints/returns on the Viton tipped needles that they worked on the new design for several years before offering them for sale. They also sell them for larger IH tractors. I always clean and reuse steel needles if they are in the carb. If they have a viton that leaks or sticks, I replace them with the new design. The price for an OEM steel needle and cage is $44.
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john2189
10+ Years
10+ Years
Posts: 1554
Joined: Thu Oct 26, 2006 7:17 pm
Zip Code: 44657
Circle of Safety: Y
Location: Minerva,Ohio

Re: New type of needle valve

Postby john2189 » Fri Jul 23, 2021 5:43 pm

I reused my steel needle. But the new style looks like it would be ok too. I wonder how it holds up with the ethanol gas.
'49 Cub (Vince)
'72 cub (Cecilia)
'41 allis B
'42 Allis B
'71 154 Cub Lo-Boy
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower

Bob McCarty
Team Cub
Team Cub
Posts: 10806
Joined: Tue May 25, 2004 8:02 pm
Zip Code: 80501
Tractors Owned: Cubs, MH Pony, Shaw, Allis G, 1934 Silver King, JD LA and LI, Gibson D, David Bradley Tri-Trac
Circle of Safety: Y
Location: CO, Longmont

Re: New type of needle valve

Postby Bob McCarty » Fri Jul 23, 2021 6:03 pm

john2189 wrote: I wonder how it holds up with the ethanol gas.

I'm sure the little disc is ethanol resistant.
"We don't need to think more,
we need to think differently."
-Albert Einstein

Gary Dotson
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49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D
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Location: OH West Mansfield

Re: New type of needle valve

Postby Gary Dotson » Sat Jul 24, 2021 6:36 am

I tried using one of those in a Farmall”M” carb. After it flooded over on 3 tear down attempts, I re-installed the original and all was fine. That was only one carb that it didn’t work in so next time may be a better result. We’ll see, I’ll give it another try at sometime.


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