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Tractor Pulling Discussion Forum

NATPA carb ?

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Donny S

09-22-2004 09:19:23




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i want to go to wauseon in november and pull div 2 with my H but i have the large carb style on it will i be able to pull with that on there or will i have to put the old H small carb back on it n open it so it will run on it thanks don




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Rich B

09-24-2004 15:05:44




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 Re: NATPA carb ? in reply to Donny S, 09-22-2004 09:19:23  
Leave the carb on and buy a Super H decal,sounds like the NATPA is a pain in the sac, glad I don't pull where you guys do.



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Heavy Puller

09-23-2004 12:32:20




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 Re: NATPA carb ? in reply to Donny S, 09-22-2004 09:19:23  
This is the Letter that was sent to me I would say use the correct carb for your tractor.SEEYA

After the summer pull in Creston, Ia. I feel it would be
a good idea to let the directors know what is acceptable and what is not
approved, as there were some discrepancies over interpretation on rules
in Division II. Division II rules were set up in NATPA's infancy by
Director Frank Lasetto, Glen Bowers, Ron McCormick, and Bob Bryan.
Division II rules were set up to provoke a class for original farm
tractors, with little more than M & W oversized bore kits, pressed
steel was allowed on bolted on hub mounted axles to lighten some
tractors to be competitive with others in their class. This class was
created so there could be an inexpensive way to pull antique tractors.
The rules were put in place and worded to keep original tractors in
Division II and keep performance engines and larger external components
out. Any part or accessories that externally enhance performance was to
be disallowed. Division II class is by far the most difficult class to
tech, and is kept firm to the rules, because Division III tractors are
constantly trying to work into Division II. Division II rules are
comprehensive and not compromising. Simply put, if it is not in the
parts book for that tractor, it can't be used. As of late,
discrepancies have arisen over replacement parts and some have
interpreted that with modification larger manifolds and carburetors can
be run in Division II. Rules for Division II clearly state in Rule #9
Appearance - tractors MUST maintain ORIGINAL STOCK appearance. No extra
accessories allowed - Read #9. A larger carburetor, or manifold with a
lager flange or that moves carburetor and linkages from its original
position is not original stock appearing. This is a short, but not complete, list of performance items NOT
ALLOWED in Division II just for your information. Hiesler heads, manifolds, and TSC power blocks on JD's. Larger carburetors (example: Farmall "M" carbs on "H"s). JD G carbs on A JD's. IH 340 heads. 135/153 cu. in. manifold & carbs on IF "C"s. Gm M-5, 670 blocks on U & 5 star Molines. Square port heads on Molines. AC WD 45 / D17 engines or heads on AC WD and WC. 350, 300 Super H engines in IH "H" - W 4's. 450,400 Super M engines in IH "M" - W6's. 450 engines in Super "M"s. 350 engines in 300's. 350 and 300 engines in Super "H"s. AC engines or any component thereof, to include heads,
manifold, and carburetors, in Cockshut Co-op or Farmcrest
tractors. Denny's tachometers or new aluminum distributors. Electric fans, water pumps, fuel pumps , and speed sensing
devices. Home made rear end covers or deck/transmission plates. Home made front end or pedestals. Flanged hubs. Aluminum except weight brackets & wheelie bars. Chrome wheels, nuts, sheet metal, coils, and steering
wheels. Any replacement part from a replacement parts book MUST be OEM
replacement only to comply with rules #7 & 9. The Tech Director and his crew work long and hard to keep
Division I and II rules in enforcement. This segment of NATPA must
segment of NATPA must be kept strictly to the mark to keep membership
pulling by the same rules from East to West, to be lax in Division I &
II would be to undermine the objective of NATPA (a place for everyone to
pull). We have 3 classes where performance parts and engines can be
externally enhanced. Please help the tech committee keep the classes
in perspective. If any questions arise on any part to be used in Division II
call Rich Wenzig.

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h puller

09-22-2004 18:06:21




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 Re: NATPA carb ? in reply to Donny S, 09-22-2004 09:19:23  
You will have to run the smaller carb for div 2 unless you have a super H. This last year they have started making the H's with the bigger carb run div 3.



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ChadS

09-24-2004 07:23:40




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 Re: NATPA carb ? in reply to h puller, 09-22-2004 18:06:21  
It is understandable, for rules like this. maybe for a farm class. it would keep alot of div 3 tractors out of div 2, but what are they doing about div 4 tractors, jumping back into div 3? Whats next, break out the dyno!!?? In our local club, we have alot of modified tractors back in farm stock, ya know,, wolf in sheeps clothing,,, Go one step farther inthe tech inspections in this class, (div 2) set a compression pressure limit in the engine. Sure might save a bit of time spotting all the hopped up "Farm stockers" and put them in the class they belong. Barring factory components, is kinda strange, but understandable. if that is what they want, well they got it. ChadS

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FARMALL

09-22-2004 12:21:55




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 Re: NATPA carb ? in reply to Donny S, 09-22-2004 09:19:23  
Donny, you should go on the NATPA web site and ask
the tech commette. Acording to how I read the div 2 rules any part of the tractor must be in the parts book for make and model. So I would say no.
If you are pulling a Supper H than you could use
the bigger carb. Hope this helps.



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ChadS

09-22-2004 13:53:08




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 Re: NATPA carb ? in reply to FARMALL, 09-22-2004 12:21:55  
New manifolds for the H-350 are the same manifold with slotted flanges for either carb, small or large carb. Hopefully, he has one of these, so all he has to do is swap carbs. I always thought that div 2, was basicly the same as div 3, but slower speed limit, and uncut tires, and a different tire size limit. Chad



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ChadS

09-22-2004 12:08:59




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 Re: NATPA carb ? in reply to Donny S, 09-22-2004 09:19:23  
I would not think for div 2 you would have to go back to the small carb,, maybe in div 1 you will, since that is supposed to be a completly stock class. Should be OK, that is my opinion, ChadS



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Hey Know It All

09-26-2004 03:18:14




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 Re: NATPA carb ? in reply to ChadS, 09-22-2004 12:08:59  
Read the rules!!! "Should be OK in my opinion "is not in the rules.



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ChadS

09-26-2004 08:29:17




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 Re: NATPA carb ? in reply to Hey Know It All, 09-26-2004 03:18:14  
No it is not, is it? LOL! I read them, and wow!! Like Dodge said,,, "The rules have changed!"ChadS



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Donny S

09-23-2004 12:00:30




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 Re: NATPA carb ? in reply to ChadS, 09-22-2004 12:08:59  
u guys just think i should take the other one with me n if they say change it to change it cuz it dont really run for crap on that small carb



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