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Bone stock pulling

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craig

02-24-2003 19:49:06




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i belong to a club that is wanting to start a bone, factory stock class. no suitcase weights, no pressed steel, unless factory, no drawbar alterations. doing this to kinda cater to those that like pulling, but don't want to trick out a tractor(like those restored tractors you see at shows, or straight out of the feild). does any one out there pull with any rules like this. would like more input on this matter.

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Bone Stocker

03-04-2003 14:24:27




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 Re: bone stock pulling in reply to craig, 02-24-2003 19:49:06  
Police RPMs, MPH, and tire size and the 50 HP tractors can pull with the 100 horse tractors. The only way to use that extra HP is to go heavier or faster. It's been proven.



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G Taylor

02-28-2003 10:46:17




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 Re: bone stock pulling in reply to craig, 02-24-2003 19:49:06  
Same square inches of tire contact, same weight, same hitch height, not being below factory shipping weight and a 3 mph rule. Great,where can I sign up? Just a test of weight balance, tire inflation,drawbar length, driving skill and a little luck. Not who is the best cheater along with spending the most money.



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Puller504

02-28-2003 05:13:22




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 Re: bone stock pulling in reply to craig, 02-24-2003 19:49:06  
I am a Union representative on the Safety Committee at my 8-4:pm job. Have seen and heard much the last 30 years. My IH504 has a FACTORY OPTION of a front weight bracket and suitcase weights, ORIGINAL! I cannot understand why in the world a club would prohibit hang-on (securely fastened, no tarp straps) weights. These same clubs REQUIRE installing "wheelie bars", something non-stock and never found in any of my original brochures or ads for ANY farm tractor! I will not attend or allow my children to go to a pull that prohibits a safety device (front end weights). Yes, I farm and was born and raised on my parent's dairy farm. I first made a weight bracket after nearly overturning my Grandad's Farmall H while discing ground. ALL my tractors currently have front brackets. The AC WD won the 4500# STOCK class again last year! (2nd year in a row). Don

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Dan-EMTPA

02-25-2003 21:09:47




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 Re: bone stock pulling in reply to craig, 02-24-2003 19:49:06  
Craig,our club has a Div.1,Here's the rules we use.We tried to set it up with the hitch heights and no cut tire rules to discurage the real full-time pullers.Then it can always be up to the club to police what is not stock(they always outpull everyone by a mile.
Division I


Class Weights: 2750 3500 4000 4500 5500 6500 7500

Special rules and limits:

1. Wheelie bars required after first pull attended. 2. No cut on tires of any kind. 3. No add on weight brackets of any type. No suitcase or hang on weights allowed. Factory correct frame bolt-on weights allowed. Loaded tires allowed. Wheel weights bolted or mounted to wheels only. 4. Stock drawbar no higher than 18" to hitch point. Hitch point at least 24" back from center of rear axle. 5, Stock RPM's with 5% error. 3 mph speed limit with no on-the-go shifting - use any gear. No stroker cranks or any other crank other than stock. 6. Pressed steel wheels allowed with axle adapters. No widened rims or oversize rims for tire width - must be tire manufacturers recommended rim width.

Tire size limits per weight classes listed with stock width rims:

2750 tire limit 12.4
3500 through 4500 tire limit 15.5
5500 through 6500 tire limit 16.9 X 38, may use 18.4 on less than 38" rim
7500 and above tire limit 18.4

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eric

02-25-2003 12:24:50




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 Re: bone stock pulling in reply to craig, 02-24-2003 19:49:06  
boyce is right. lots of variables in hitches in such. i am doing my 1st resto now. an oliver super 77. i got it free! but that tells you what shape it was in. i already got rid of the drawbar. rusted, welded , and in bad shape. i would not let my son pull with it. not safe. i fabricated other parts too. does that make me illegal in a bone stock class?

PULLING RULES WILL BE ARGUED AND DISCUSSED FOREVER. ITS JUST A FACT! THE BEST PULLS HAVE SIMPLE EASY TO FOLLOW RULES. RULES THAT ANYONE CAN CHECK. DRAWBAR NO CLOSER THAN 18 INCHES TO CENTER OF AXLE, 5000LBS CLASS, 18.4 TIRE SIZE, NO CUT TIRES, ETC. THESE ARE RULES ANYONE CAN PLAINLY SEE. EVEN THE RPM CAN BE TESTED EASILY. HOWEVER THINGS LIKE CUBIC INCH, COMPRESSION, STOCK TIRE SIZE, RIMS. THIS MAKES ROOM FOR LOTS OF ARGUEING. WHY NO SUITCASE WEIGHTS? THEY MIGHT HELP PREVENT A ROLLOVER? WHAT ABOUT WHEELIEBARS? THEY ARE NOT BONE STOCK. BUT I CAN NOT PUT THEM ON MY RESTORED TRACTOR FOR MY SON TO PULL?

if you have a local group of tractor restorers, who painstakingly make their tractors totally restored and also show up with a reasonable number to pull. have at it. you will have fun with your bone stock class. HOWEVER IF YOUR PURPOSE IS TO HAVE AN ENTRY LEVEL CLASS YOU WOULD BE LEAVEING GUYS LIKE ME AND MY SON OUT.

JUST MY 25 CENTS. I HAVE BEEN PULLING FOR 25 YEARS.

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PeteNY

02-24-2003 21:38:37




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 Re: bone stock pulling in reply to craig, 02-24-2003 19:49:06  
Craig, We pull with a club in Central, NY that pulls using NATPA rules usually, or Alliance(slightly modified NATPA) rules, and all of our tractors are "bone stock". We have a GREAT time, they also have divisions for the suped up tractors, so we don't get guys pulling against us with mods or hanging weights...fun fun fun!!!
Got sick of those County Fair pulls here in NY where guys haul in M's with headers, cut tires...and pull against our stockers. We have one guy here that always wears a "Deere Slayer" shirt while pulling his 200HP SMTA/450 against us at the fairs, but he NEVER takes it to NATPA pulls where the field is leveled! Shoulda heard him scream at one fair where they made him use 1st gear and no TA...my 70 and Super M both got him...boy did he load and leave quick! pete

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Jeff

02-24-2003 20:40:01




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 Re: bone stock pulling in reply to craig, 02-24-2003 19:49:06  
Believe it or not the NATPA does. It is called Div I and although they don't usually list it they have a pretty good set of rules to go by. Check their webpage for the list. Wish I had known they were going to pull that Div. in Murray this year, I would have brought a show tractor or 2 just for the fun of it :)



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Boyce Seaman

02-25-2003 10:11:28




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 Re: Re: bone stock pulling in reply to Jeff, 02-24-2003 20:40:01  
"Bone Stock" what is that? I doubt you will find many tractors that are "Bone Stock". Many of these tractors are 60 to 70 years old, some older. They have been drug out of junk piles and rebuilt. Others have been overhauled more than once, are you saying they have never been bored, or that they don't have higher compression pistons from one of the many after market providers. How about a head that may have been cracked or removed, do you think a person wouldn't put a later model head on if that is what he was lucky enough to find, when he put it on he definitely wouldn't port match the ports with the "after market manifold" because it was not cast for a good fit. How about the different brand carb., if the original was gone for some reason, a person couldn't buy a different brand replacement if that were what he could find. When he is rebuilding this engine would he leave the old wore out cam in there or would he put in a factory reground, I'm certain he would specify it had to be ground to the exact specs. of the 1936 model he is restoring. I'm sure all these tractors are going to run factory stock RPM. Most of these examples are hard if not impossible to police, and, many times lead to disagreements and hard feelings. Oh, how about pressed steel wheels, do you really think it is fair to have a 1952 Oliver 88,or Massey 44's, with pressed steel pulling in a 4500 lb class against tractors with much less power and tell them they can't run pressed steel. Drawbars can be another interesting item, with no modifications, an Oliver 88 pulls from about 33" back, a MM ub is about 32", an IH-M is about 28" pulling from the U shaped bail and a clevis. While JD's can pull there drawbars in to very close to 20", and if they put them in end-for-end may get closer. And then again the Oliver and some of the others can raise the drawbars to near 20" high, maybe higher, while the JD probably can't even get near that, unless of course he is running tires that are bigger than "Bone Stock". I wonder how many antique tractors are not running "Bone Stock" tire sizes. Also it is very easy to drill additional holes and most of us can't tell. Another thing how many of us can tell a JD A drawbar from a 60, or a G, even a 720. Go look a JD parts book, you may be surprised. No hanging weights? Several years ago I saw a IH Super M stand as straight up as I would think is possible, for some reason it didn't go over backwards, it was pretty near stock with no front weights or wheely bars. "Bone Stock"? I don't think it is realistic to think that most are, and, maybe if they are, they may not safe to be pulling. You may not agree with what I have said but I hope it is food for thought.

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jeff

02-25-2003 15:15:20




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 Re: Re: Re: bone stock pulling in reply to Boyce Seaman, 02-25-2003 10:11:28  
I think you missed the point. There is a fella here that pulls a Farmall M In the Farm Stock class making right at 70 HP. As for the hitches, everything being as it was from the factory I can tell you that it might make a little difference but not alot. My Oliver 88 with the drawbar set at 18 inches and about 30 inches back has outpulled the JD's with pullling hitches. As for the "bone stock" You could get pistons .125 over for a JD from the factory but they weren't high compression and a gas tractor doesn't come from the factory with a LP head on it.

Bottom line is no matter how well you write the rules someone will find a loophole or just plain cheat. Most folks know who these people are and don't bother worrying with them. It's not like your winning alot of money anyway. Got about 5 or 6 buddies who pull and we're all stock. We don't really care who gets the trophy cause it usually goes to someone who is as close to modified as you can get if not already over the line. WE sure have fun pulling against each other though usually with alot of ribbing going on while we're pulling:)

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George

03-01-2003 15:19:18




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 Re: Re: Re: Re: bone stock pulling in reply to jeff, 02-25-2003 15:15:20  
Boo Hoo! Boo Hoo!



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B.J.

02-27-2003 17:10:13




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 Re: Re: Re: Re: bone stock pulling in reply to jeff, 02-25-2003 15:15:20  
If you want stock pulling.Have all tractors go to the field an hook to a plow for about two hours.Who is left is probably as close to stock as you will get. Just what I think. I have pulled stock for 20 years. Now not many STOCK tractors left.



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Puller504

02-28-2003 05:26:38




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 Re: Re: Re: Re: Re: bone stock pulling in reply to B.J., 02-27-2003 17:10:13  
Good idea, BJ! I've got what i think is a better one, at our pulls we have stock and non-stock classes. There is a PTO-powered dynamometer used to limit the horsepower in the stock classes. No dyno, but safety rules are used in the non-stock classes. Stock rules prohibit things like cut tires, water/alcohol injection, etc. The idea is to make the class as competitive as possible and still be fair to the pullers. Works well for us! WSTPA.com for rules and/or details! Don

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G Taylor

02-28-2003 10:50:21




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 Re: Re: Re: Re: Re: Re: bone stock pulling in reply to Puller504 , 02-28-2003 05:26:38  
How do you catch drivers who have loosened off the pto clutch pack so that slippage prevents more than factory torque from reading on the dyno? 2-1/2 or 3mph speed limit on the sled will catch the ones sneaking past the dyno.



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Puller504

02-28-2003 14:45:15




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 Re: Re: Re: Re: Re: Re: Re: bone stock pulling in reply to G Taylor, 02-28-2003 10:50:21  
Hi, G Taylor. Simple answer, The Dyno operator pulls a tractor down for a reading. If the PTO slips under load, that tractor is immediately disqualified! We've also caught some other tricks used to try to rob power from the engine during a dyno test. Had to remove shims from my Oliver 1600 PTO after one pull this last summer, the dyno operator warned me that it was starting to slip. Not wanting to be DQ'd, I removed 3 shims from each set. Started to slip a little at 71 HP under load. (in a 75HP limited class). It holds fine, now.

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fergusonfan

03-06-2003 12:33:47




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 Re: Re: Re: Re: Re: Re: Re: Re: bone stock pulling in reply to Puller504, 02-28-2003 14:45:15  
Guess I'll have to watch you at the dyno next time. Lol.



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