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New type of needle valve

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john2189
10+ Years
10+ Years
Posts: 1776
Joined: Thu Oct 26, 2006 7:17 pm
Zip Code: 44657
Circle of Safety: Y
Location: Minerva,Ohio

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
1AAEDD88-8E3A-4DD5-B8A2-715738D78826.jpeg
'49 Cub (Vince)
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower

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Bob McCarty
Team Cub
Team Cub
Posts: 11827
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 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.
"We don't need to think more,
we need to think differently."
-Albert Einstein

john2189
10+ Years
10+ Years
Posts: 1776
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)
'41 allis B with Woods L59 mower
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: 11827
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
Team Cub Mentor
Team Cub Mentor
Posts: 5618
Joined: Thu Aug 03, 2006 6:20 am
Zip Code: 43358
Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
52 Cockshutt 20 unrestored
47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D
Circle of Safety: Y
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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