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Fire craters?

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jsfarmall
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Zip Code: 72454
Tractors Owned: 1948 Cub "Trusty"
1948 Cub "Rusty"
1948 Cub "Bob"
1948 Cub "Sallie" (wife's tractor)
1965 IH Cub "Annie"
1943 Farmall H
1953 Farmall Super M (granddad's tractor)

Fire craters?

Postby jsfarmall » Fri Dec 08, 2017 11:17 am

Do they make fire craters for cubs?
1948 Cub "Trusty"
1948 Cub "Rusty" mower tractor, trimmed ear dash
1948 Cub "Bob"
1948 Cub "Sallie"
1965 IH Cub "Annie" mower tractor,
1943 Farmall H,
1953 Farmall Super M

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Barnyard
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Re: Fire craters?

Postby Barnyard » Fri Dec 08, 2017 11:47 am

If you are referring to an electronic ignition, yes, there is a 6v and a 12v system available.
There are two ways to get enough Cubs. One is to continue to accumulate more and more. The other is to desire less.

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John *.?-!.* cub owner
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Re: Fire craters?

Postby John *.?-!.* cub owner » Fri Dec 08, 2017 12:53 pm

And if you are talking about pistons they make stepped pistons to raise compression, but some of the older heads may need a little work done on them to get clearance.
If you are not part of the solution,
you are part of the problem!!!

jsfarmall
5+ Years
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Posts: 605
Joined: Sat Oct 22, 2016 1:04 pm
Zip Code: 72454
Tractors Owned: 1948 Cub "Trusty"
1948 Cub "Rusty"
1948 Cub "Bob"
1948 Cub "Sallie" (wife's tractor)
1965 IH Cub "Annie"
1943 Farmall H
1953 Farmall Super M (granddad's tractor)

Re: Fire craters?

Postby jsfarmall » Fri Dec 08, 2017 6:18 pm

Am talking about pistons. So I can't just pull factory pistons out and put fire craters in my 48?
1948 Cub "Trusty"
1948 Cub "Rusty" mower tractor, trimmed ear dash
1948 Cub "Bob"
1948 Cub "Sallie"
1965 IH Cub "Annie" mower tractor,
1943 Farmall H,
1953 Farmall Super M

inairam
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Zip Code: 19342
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
1969 140 with bush hog tow behind mower 12 v
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: Fire craters?

Postby inairam » Fri Dec 08, 2017 6:44 pm

do searches on domed pistons. the term fire craters is not common on the forum.

the domed pistons will fit you have to check clearance with the head and maybe file or grind the head a little.
When you only have 9 horsepower you need to know the names of all of the ponies!

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Super A
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Re: Fire craters?

Postby Super A » Fri Dec 08, 2017 7:23 pm

I am not sure they did Fire Craters for the Cub, I always assumed they did but I couldn't turn up anything online.

Image

They would really wake up a Super A. My granddaddy said when they put a set in his Super A, he could pull loads in 3rd gear that he used to have to pull in 2nd. I believe the whole kit included new jets for the carb and goodies for the distributor to change the advance settings.

Al
White Demo Super A Restoration Updates

Let us pray for farmers and all who prepare the soil for planting, that the seeds they sow may lead to a bountiful harvest.
Celebrating 75 years of the Super A: 1947-2022

staninlowerAL
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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"
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Location: AL (Southwest)

Re: Fire craters?

Postby staninlowerAL » Fri Dec 08, 2017 7:52 pm

Here's what the standard aluminum domed pistons looks like in my 1972 154 LoBoy. As previously stated the IH C60 is not a sleeved engine. The SN for the head for the engine with the domed pistons ends in R2 and provides clearance for the domed pistons to not strike the head at the top of the stroke.
pistons out4.JPG
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)

jsfarmall
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Posts: 605
Joined: Sat Oct 22, 2016 1:04 pm
Zip Code: 72454
Tractors Owned: 1948 Cub "Trusty"
1948 Cub "Rusty"
1948 Cub "Bob"
1948 Cub "Sallie" (wife's tractor)
1965 IH Cub "Annie"
1943 Farmall H
1953 Farmall Super M (granddad's tractor)

Re: Fire craters?

Postby jsfarmall » Sat Dec 09, 2017 10:35 am

I'll have to check mine, more than likely mine is old enough they won't clear. I have my grand dads super m and it has fire craters and man will it pull. It also has the original propane head and believe it has the propane manifold too. I got a cub apart right now and just thought about adding a pony or 2 if it's worth it.only 2 hp don't sound much but it's 20%lol
1948 Cub "Trusty"
1948 Cub "Rusty" mower tractor, trimmed ear dash
1948 Cub "Bob"
1948 Cub "Sallie"
1965 IH Cub "Annie" mower tractor,
1943 Farmall H,
1953 Farmall Super M

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Super A
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Circle of Safety: Y
Location: NC, Jacksonville area

Re: Fire craters?

Postby Super A » Sat Dec 09, 2017 10:39 am

jsfarmall wrote:I'll have to check mine, more than likely mine is old enough they won't clear. I have my grand dads super m and it has fire craters and man will it pull. It also has the original propane head and believe it has the propane manifold too. I got a cub apart right now and just thought about adding a pony or 2 if it's worth it.only 2 hp don't sound much but it's 20%lol


My Cub has .20-over flattops in it and it has no trouble with a 12" plow as long as you're sensible about it. I feel like (can't prove it) larger bore will give as good a result as domed pistons.\

Al
White Demo Super A Restoration Updates

Let us pray for farmers and all who prepare the soil for planting, that the seeds they sow may lead to a bountiful harvest.
Celebrating 75 years of the Super A: 1947-2022

inairam
5+ Years
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Posts: 2803
Joined: Wed Jul 08, 2015 10:24 am
Zip Code: 19342
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
1969 140 with bush hog tow behind mower 12 v
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: Fire craters?

Postby inairam » Sat Dec 09, 2017 12:13 pm

jsfarmall wrote:I'll have to check mine, more than likely mine is old enough they won't clear.


The connection rod and piston heads were changed in 1968 engine SN 261717 Connecting Rod and Bearing Change Engine SN 264568 Pistons changed to Aluminum Dome-Top

The head was changed 7 years later. R2 The change was made for the "New" International Cub at engine number 312389 according to the Cub database 1975 tractor sn 248125 engine sn 312390

From other posts on this site, R changes are backward compatible. If a new part number was issued is may or may not be backward compatible you have to check the parts manual. For example, the connecting rod new part number says " for service replacement of 251 248 r13 order 527 457 r11" so it is a direct replacement for the older connecting rod. The old part number may not be forward compatible.

The interference has to do more with manufacturing tolerances of the head or if it was shaved in a previous rebuild and not a design change. In other words you do not need the matching head for the dome-top pistion. you just have to check for clearance.

see this post http://www.farmallcub.com/phpBB2/viewto ... =1&t=49440
Last edited by inairam on Sun Dec 10, 2017 11:41 am, edited 2 times in total.
When you only have 9 horsepower you need to know the names of all of the ponies!

staninlowerAL
10+ Years
10+ Years
Posts: 4974
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: Fire craters?

Postby staninlowerAL » Sat Dec 09, 2017 1:22 pm

inairam wrote:The connection rod and piston heads were changed in 1968 engine SN 261717 Connecting Rod and Bearing Change Engine SN 264568 Pistons changed to Aluminum Dome-Top

The head was changed 7 years later. R2 The change was made for the "New" International Cub at engine number 312389 according to the Cub database 1975 tractor sn 248125 engine sn 312390

the interference has to do more with manufacturing tolerances of the head or if it was shaved in a previous rebuild and not a design change. In other words you do not need the matching head for the dome-top pistion. you just have to check for clearance.

see this post http://www.farmallcub.com/phpBB2/viewto ... =1&t=49440

My mistake. I forgot about the change in the connecting rods.
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)

Larry G
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Re: Fire craters?

Postby Larry G » Sat Dec 09, 2017 3:13 pm

I put them in my 63 and didn’t change anything else and they fit fine.

Gary Dotson
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Re: Fire craters?

Postby Gary Dotson » Sun Dec 10, 2017 8:20 am

On a "48" that I had years ago, I bored .010" and installed domed pistons with no issues. It's a hit or miss deal and if they don't clear, it's easily resolved with a dremel.

jsfarmall
5+ Years
5+ Years
Posts: 605
Joined: Sat Oct 22, 2016 1:04 pm
Zip Code: 72454
Tractors Owned: 1948 Cub "Trusty"
1948 Cub "Rusty"
1948 Cub "Bob"
1948 Cub "Sallie" (wife's tractor)
1965 IH Cub "Annie"
1943 Farmall H
1953 Farmall Super M (granddad's tractor)

Re: Fire craters?

Postby jsfarmall » Sun Dec 10, 2017 7:07 pm

Mine is a 48 as well. Does the dome pistons make much difference?
1948 Cub "Trusty"
1948 Cub "Rusty" mower tractor, trimmed ear dash
1948 Cub "Bob"
1948 Cub "Sallie"
1965 IH Cub "Annie" mower tractor,
1943 Farmall H,
1953 Farmall Super M

outdoors4evr
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Location: Oxford, MI

Re: Fire craters?

Postby outdoors4evr » Mon Dec 11, 2017 6:59 am

YES! But... IH determined that it works best if the rods are upgraded (wider rod bearings too) and the carb and intake manifold are made larger as well. Gotta get more air and fuel in to feed the higher compression engine when working it hard.

There is not much comparison between using a 59" mower on a cub and a 184. The cub struggles to run the mower and propel itself up a hill in second gear while the 184 governor just opens the throttle a bit more.
184 w/ Creeper & 3-Point
IH 3160a Mower
IH Model 15 Tiller
IH-54 Blade


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