New Member MontanaMan just bought 1948 Cub
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- Posts: 16
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Re: New Member MontanaMan just bought 1948 Cub
I will keep you guys up to date as I work my way through the tractor. Would you use the standard Auto light sparkplugs?
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1957 Farmall Cub w/FH
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1948 Farmall Super A - Circle of Safety: Y
- Location: MD, Deep Creek Lake
Re: New Member MontanaMan just bought 1948 Cub
I have had good success with Champion D-21s. Autolite and NGK are also good, in a similar heat range.
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Re: New Member MontanaMan just bought 1948 Cub
Welcome to the forum Montana Man.
Have friends that live in Missoula. My oldest son lived in Helena for 15 months before enlisting in the Army. Still has Montana plates!
Bob McCarty hosts a CubFest in Longmont, CO every September, a mere 900 miles from you.
Have friends that live in Missoula. My oldest son lived in Helena for 15 months before enlisting in the Army. Still has Montana plates!
Bob McCarty hosts a CubFest in Longmont, CO every September, a mere 900 miles from you.
1957 Farmall Cub "Emory", Fast-Hitch, L-F194 Plow & Colter, L-38 Disc Harrow, Cub-54A Blade, Cub-22 Sickle Bar Mower, IH 100 Blade



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- 10+ Years
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- Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
- Circle of Safety: Y
- Location: AL (Southwest)
Re: New Member MontanaMan just bought 1948 Cub
MMO is a good lubricant to add to the fuel for sticky valve problems. If you have any stuck valves, a compression test will be a good way to check. If you find that any are stuck open, try lubricating the valve through the spark plug hole and lightly tapping the valve to see if it will go back down. Might have to repeat several times. Remove the valve adjustment cover behind the carb and lube the area liberally. Also from this area it might be possible to rotate a stuck valve by using needle nose vice grip pliars and help free any that might be stuck. On the other hand, you might get lucky and not have any stuck valves. Good Luck as you explore your cub. StanMontanaMan wrote:Thanks guys, I will follow your advice. How do you free up stuck valves? Mystery Oil?
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG
USAF & Reserves, Reg ARMY, ARMY NG
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Re: New Member MontanaMan just bought 1948 Cub
TM sells the oem steel needle and cage separately from the kit, but the cost is $54. As Bill mentioned, the viton either works, sticks, or leaks. Better to use your original, they really don't wear out.
"We don't need to think more,
we need to think differently."
-Albert Einstein
we need to think differently."
-Albert Einstein
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Re: New Member MontanaMan just bought 1948 Cub
Hi,
Below is a post I made telling how to prime the engine oil pump. It is about half way down the page.
viewtopic.php?f=1&t=91765&start=60
Below is a post I made telling how to prime the engine oil pump. It is about half way down the page.

viewtopic.php?f=1&t=91765&start=60
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- Posts: 16
- Joined: Mon Feb 20, 2023 12:41 am
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Re: New Member MontanaMan just bought 1948 Cub

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- Posts: 16
- Joined: Mon Feb 20, 2023 12:41 am
- Zip Code: 59828
Re: New Member MontanaMan just bought 1948 Cub
Glen wrote:Hi,
Below is a post I made telling how to prime the engine oil pump. It is about half way down the page.![]()
http://farmallcub.com/phpBB2/viewtopic. ... 5&start=60
Thanks Glen. I was about to ask who had the best advice to prime the oil pump!

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- Posts: 16
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- Zip Code: 59828
Re: New Member MontanaMan just bought 1948 Cub
staninlowerAL wrote:MMO is a good lubricant to add to the fuel for sticky valve problems. If you have any stuck valves, a compression test will be a good way to check. If you find that any are stuck open, try lubricating the valve through the spark plug hole and lightly tapping the valve to see if it will go back down. Might have to repeat several times. Remove the valve adjustment cover behind the carb and lube the area liberally. Also from this area it might be possible to rotate a stuck valve by using needle nose vice grip pliars and help free any that might be stuck. On the other hand, you might get lucky and not have any stuck valves. Good Luck as you explore your cub. StanMontanaMan wrote:Thanks guys, I will follow your advice. How do you free up stuck valves? Mystery Oil?
Great Advice, will let you know how it goes.......

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53 Cockshutt 20 restored (Shooter)
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Re: New Member MontanaMan just bought 1948 Cub
Welcome to the forum, MontanaMan! Spend some time browsing the how to forum, you’ll find answers to many of your questions there.
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- 10+ Years
- Posts: 4802
- Joined: Fri Oct 29, 2010 11:34 pm
- Zip Code: 36558
- Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
- Circle of Safety: Y
- Location: AL (Southwest)
Re: New Member MontanaMan just bought 1948 Cub
MontanaMan wrote:staninlowerAL wrote:MMO is a good lubricant to add to the fuel for sticky valve problems. If you have any stuck valves, a compression test will be a good way to check. If you find that any are stuck open, try lubricating the valve through the spark plug hole and lightly tapping the valve to see if it will go back down. Might have to repeat several times. Remove the valve adjustment cover behind the carb and lube the area liberally. Also from this area it might be possible to rotate a stuck valve by using needle nose vice grip pliars and help free any that might be stuck. On the other hand, you might get lucky and not have any stuck valves. Good Luck as you explore your cub. StanMontanaMan wrote:Thanks guys, I will follow your advice. How do you free up stuck valves? Mystery Oil?
Great Advice, will let you know how it goes.......
Patience!!! Don't get discouraged,

Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG
USAF & Reserves, Reg ARMY, ARMY NG
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- 5+ Years
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- Tractors Owned: 1948 6v - Dozer
1949 with kub klipper belly mower. mag 6v - Mom
1950 with plow, 54 blade, mott mag 6v - Roxanne
1953 54 blade, c22, wood 42 6v
1957 6v - barn Queen
1965 lo-boy with c-3 mower 12 v - Loboy
1974 Horse II 12 v c-2
1975 with woods 42-6 12 v - Horse
1979 long strip 12 v stuck engine
130 with international 1000 loader 6 v
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Terramite T-6 4WD Backhoe Perkins diesel
Memberships: Rough and Tumble Engineers Historical Association;Chapter 8 IH Collectors; IH Collectors Worldwide - Circle of Safety: Y
- Location: Glen Mills PA
Re: New Member MontanaMan just bought 1948 Cub
MontanaMan wrote:Great info! Thanks for all of the help.
Get the whole tractor with the stuck engine from your mechanic. These tractors do not like being alone.
When you only have 9 horsepower you need to know the names of all of the ponies!
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Re: New Member MontanaMan just bought 1948 Cub
inairam wrote:MontanaMan wrote:Great info! Thanks for all of the help.
Get the whole tractor with the stuck engine from your mechanic. These tractors do not like being alone.
It was his dads. The guy has a good working 49 Cub and i think he is keeping it for the other parts. We will see....
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Re: New Member MontanaMan just bought 1948 Cub
Hey all, just found out that the parts Tractor I brought home with my Cub is a 1948 Super A. Are any parts interchangeable off this tractor with my 1948 Cub? Thanks
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- Team Cub Mentor
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- Joined: Mon Feb 03, 2003 6:45 am
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- Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A - Circle of Safety: Y
- Location: MD, Deep Creek Lake
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