11.2-38's vs 13.6-38's on 10-38 rims

PretendFarmer

Well-known Member
I have a chance to swap my 11.2's for 13.6's on my low geared H. I have to keep my 10-38 rims. Which way would you all go? The 11.2's might lay down better on the 10-38 rims but the 13.6's are bigger.
 

So the tire shop says that with the 10-38 rims I would be better off with 11.2's cause the 13.6's will mount but it will crown the tire.
I am looking to step up tire size. For now I'll have to stick with what I got till wider rims come along. Will farmall M rims mount properly on H cast centers?
 
Don't swap on the premise that size is more important, you may already own the best tires. A decent pair of Firestones are worth more than some really nice , bigger long bar /short bars, or anything goodyear......
 
Rims will interchange.
Other tractors used that
style rim also. Just have
to experiment with air
pressure using narrower
rim. I have seen 15.5 on
11in.
 
11.2x38 is 120 sq.in. flat plate, 13.6x38 is 168 sq
in. flat plate , no comparison if you can pull a
tire that is 4.5 inches taller . you will notice the
difference in traction immediately , surprise your
self.
 
pretend farmer you always have the answers,but when you go to pulls,watch the winners,not the whiners !!A tire shop knows nothing about pulling,real world tire usage is for the proper application in the "FIELD",not the track.This poster,or imposter puller is a seasoned veteran,10 yrs old or not,learn from experimentation and watching who beats you.Just because you ask for advice you may not accept it.I have read many of your posts mr.pretend!!!!! And as another has added,tire pressure is your friend.Judging the track is more important than any tire,tractor set up and driving skill will win more pulls than tires alone.
 

Go with the 13.6x38" and find some 12"to 14" Rims..
Even if you need to buy new rims, they will not break the bank.

Ron.
 
C,I knew you would not take advice,very apparent in your posts.you only hurt yourself !!!!!!!!!!!!!!!the proof is in your name.
 
(quoted from post at 04:08:20 10/01/14) C,I knew you would not take advice,very apparent in your posts.you only hurt yourself !!!!!!!!!!!!!!!the proof is in your name.

Not listening to idiot boneheads like you doesn't equate to not listening to anyone.
 
go with bigger tire i also would put on bigger rims , do it one time
and be done with it ,sell your little tires to buy bigger rims if you
have too i would put 13.6 on 14 in. rim our i would go with
14.9x38 if you wanted to win
 
(quoted from post at 16:30:20 09/30/14) And as another has added,tire pressure is your friend.Judging the track is more important than any tire,tractor set up and driving skill will win more pulls than tires alone.

Well said.

I have a set of 15.5x38's on 14" rims ready to go on my little F340. I figured I needed more tire as I could pull in 3 High in 4000lb, 2 High in 5000\6000 lb and 2 Low in 7000 lb classes. A friend has the same tractor, we both pull with 12.4x36's. At our last transfer sled pull, the narrow wheels were king and wide tires couldn't even start the sled. Now I am rethinking the 15.5's.

When a Farmall 340 is pulling against 300's, 550's, Ollie 77/770's, SM's, etc and beating them by 20-30 ft, it's not about the tire size or power. It is about weight distribution and air pressure.
 

I appreciate the positive comments. It's hard to judge what to do. All else being equal I encounter about as many people saying bigger is better as people saying otherwise.

I recently down sized from 12.4-38's to 11.2-38's because I blew one three days before a big pull for us and these tires were all I could get in such short notice besides new tires.
What Id really like to do is get a set of 13.6-38's and keep my current tires. Then I could try both and see what works best in my situation.
For what it's worth, some of the most experienced and smartest pullers in my club are pushing me toward bigger tires saying they'd be much better for me.
 
PRETENNDfARMER,CAN WE KISS AND MAKE UP,I JUST HATE GOING TO BED KNOWING YOU ARE UPSET.MAN UP,MAKE YOUR OWN CHOICES,YOU HAVE 5 OTHER'S OPINIONS,ALL DIFFERENT,which one could help you,GOD HELPS THOSE WHO helps themselves.I gave you good advice,but you do not care,just bad mouth!!!!!!!!!! jeez,I never thought that you might listen to anyone,just keep asking till someone agrees with you.
 
(quoted from post at 00:54:34 10/02/14) PRETENNDfARMER,CAN WE KISS AND MAKE UP,I JUST HATE GOING TO BED KNOWING YOU ARE UPSET.MAN UP,MAKE YOUR OWN CHOICES,YOU HAVE 5 OTHER'S OPINIONS,ALL DIFFERENT,which one could help you,GOD HELPS THOSE WHO helps themselves.I gave you good advice,but you do not care,just bad mouth!!!!!!!!!! jeez,I never thought that you might listen to anyone,just keep asking till someone agrees with you.

Take your Ritalin boy
 
Shawnm, you pay attention,something that seems rare these days,each day and track is unique and a challenge to figure out.That is why we keep pulling because it is not a pure science,judgement calls are made on changing conditions.I have pulled with more than two dozen different sets of tires over the yrs. all over the country,won and lost with them all.I go with the 80% rule.
 

You have to either have multiple sets of tires or just aim for what most of the tracks are like. Consider that dragsters and swamp buggies both run wide tires but for very different reasons. dragsters are after surface area on a very hard surface while swamp buggies are after flotation on a very soft surface. On a hard sticky track, surface area is pretty much the whole story, but when you are on a soft track flotation will not enable you to pull anything. Thus the narrow tires with higher psi bearing on the smaller foot print enable it to dig down through the loose material and grab on the tighter material while the wider tire floats and spins. On our circuit we have two guys with narrow tires that really get it done on the soft tracks.
 
try different ones i am on my 4 set and dont know wich ones are the best yet probably the ones i sold
 

For now at least I'll pass on these goodyears. I don't like the treads on them. I have to give the set of tires I currently have a good run and fine tune in the pressure before I try something new. Maybe these tires are the way to go.
 

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