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Charlie175 
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Joined: 11 Sep 2009
Location: Shenandoah, VA
Points: 6358
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 Topic: 38's
Posted: 15 Sep 2014 at 7:20am |
A lot of local clubs will not allow 38's on WC/WD/D17 as they say it was a aftermarket add-on and not factory. Does anyone have a copy of the parts book indicating that AC listed 38's wheels as a option?
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Charlie
'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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DrAllis
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Joined: 12 Sep 2009
Points: 20551
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Posted: 15 Sep 2014 at 7:38am |
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Just look in ANY AC parts book. 36's were the option on a WC........38's on all others.
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BennyLumpkin
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Joined: 22 Mar 2010
Location: Centre Hall, PA
Points: 2657
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Posted: 15 Sep 2014 at 11:00am |
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Didn't high crops run 38's?
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Central PA Allis Express
1934 WC254
1945 WF
1945 WC135755
1951 WD68085
1953 WD45-150217
1957 WD45D-230744D
B110
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Charlie175
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Joined: 11 Sep 2009
Location: Shenandoah, VA
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Posted: 15 Sep 2014 at 11:14am |
Yes but when I point this out, the main comment back is then you need to have all the other high crop stuff on the tractor.
Trying to keep Allis down :)
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Charlie
'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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XT in pa
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Joined: 21 Apr 2011
Location: hickory pa
Points: 711
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Posted: 15 Sep 2014 at 12:16pm |
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The thing is when you put 38's on an allis it makes them a different tractor. And harder to beat !!
Edited by XT in pa - 15 Sep 2014 at 12:16pm
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190XT,D17and 7045
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Bolivar Boy
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Joined: 27 Dec 2011
Location: wooster, ohio
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Posted: 21 Sep 2014 at 10:12am |
Anybody explain why 38's make more traction than a smaller tire ?
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mike a
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Joined: 12 Dec 2009
Location: MN
Points: 165
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Posted: 21 Sep 2014 at 4:07pm |
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yes,when the tires start to dig down,the next bar pulls on tall tires.
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studer automotive
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Joined: 10 Sep 2013
Location: jeromesville,oh
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Posted: 21 Sep 2014 at 6:52pm |
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So dropping air pressure will sort of have the same result?
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a-c 185-d y/r cab turbo soon
99 f-250 7.3 4x4
86 mustang5.0 owned since 8/93
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XT in pa
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Posted: 21 Sep 2014 at 7:42pm |
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It's more foot print. Like 16.9x28 compared to 16.9x38. The 38 has more foot print and is a lil faster.
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190XT,D17and 7045
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bradley6874
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Joined: 05 Sep 2010
Location: salisbury md
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Posted: 21 Sep 2014 at 8:34pm |
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Ok so on my wd iam running 18.4 26 which have a foot print of 242 sq inches and 15.5 38 has a 189 sq inch foot print acording to Firestone data book which is a aprox 30 % less but every body says the 38 s are the way to go anybody explain
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You can wash the dirt off the body but you can’t wash the farmer out of the heart and soul
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DrAllis
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Posted: 21 Sep 2014 at 9:34pm |
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A tire width of 18.4 usually isn't allowed in Antique pulling......max width of 15.5's.
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studer automotive
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Posted: 22 Sep 2014 at 7:06am |
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Yes I wanna here the debate on this as well?
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a-c 185-d y/r cab turbo soon
99 f-250 7.3 4x4
86 mustang5.0 owned since 8/93
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mattb
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Posted: 22 Sep 2014 at 9:29am |
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taller tire has more tire contacting the ground in front and behind the center of tire has less of a hole to crawl out of when the tire starts to bite in.
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bradley6874
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Location: salisbury md
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Posted: 22 Sep 2014 at 3:58pm |
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If its the same width yes if the contact area is the same which would have the advantage short and wideer would be getting more new bite where tall skinnie bites more times in the same loose hole and this is not a discussion about rules .
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You can wash the dirt off the body but you can’t wash the farmer out of the heart and soul
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mattb
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Posted: 23 Sep 2014 at 10:09am |
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hardly any acs I pull against run 28s anymore around here 99% of the time they just don't do very well
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bradley6874
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Posted: 23 Sep 2014 at 4:41pm |
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Matt is that because you cant run wider short tires and yea if you can only run 15 innc wide yea a 38 will def pull better than a 28 up here we got tired of arguing about what size went on what so our rules are simple black round made out of rubber not cut 18 incc max width under 9000 lbs
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You can wash the dirt off the body but you can’t wash the farmer out of the heart and soul
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mattb
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Posted: 24 Sep 2014 at 8:31am |
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around here tire size is 15.5 by 38 or 16.9 by 28 most guys that run short tires use 16.9 by 26 and they usually don't come close. have pulled against a guy with 16.9 by 30s and hes pretty tough so if your gonna run short tires id go with as wide as you can
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Fields
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Posted: 30 Sep 2014 at 11:18pm |
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nborga87
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Location: cordova, md
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Posted: 04 Oct 2014 at 9:30pm |
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The taller tire is gonna have more ground speed.
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KGood
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Posted: 05 Oct 2014 at 11:20am |
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When we started we were able to run 18-4/28 but had to carry the manual that showed they were available (rice tires)even though they were 26's. Then we got tired of getting whooped on went to 15.5/38's. But there was one track we walked away from everybody when we had the 28's on but I know we weren't competing.
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