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Tractor Pulling Discussion Forum

Re: First Annual Western Pennsylvania Classic

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gtx1967jewison

03-16-2013 04:43:22
174.253.145.134



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Brad what is the purpose of the carburetor rule? As the Deeres do not meet it & im guessing several brands have downdrafts. Is it a safety thing or just more of an equalizer rule? Just curious. Looks like a great pull event & I really like the Rpm rule! Thanks




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mEl

03-16-2013 05:57:03
71.241.102.77



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 Re: First Annual Western Pennsylvania Classic in reply to gtx1967jewison, 03-16-2013 04:43:22  

gtx1967jewison said: (quoted from post at 04:43:22 03/16/13) Brad what is the purpose of the carburetor rule? As the Deeres do not meet it & im guessing several brands have downdrafts. Is it a safety thing or just more of an equalizer rule? Just curious. Looks like a great pull event & I really like the Rpm rule!
Thanks

GTX,
Not speaking for Brad although I will be helping him at Mid A pull in a capacity yet to be determined. We here in Pa. had some problems in the carb area with one in particular running a huge airplane carb of two throat design. There has to be a little limits somewhere and Brad's rules have produced some very even classes. As far as I know there are no downdrafts being run here and if so would be in clear violation of the rules. I guess if you are going to put a down draft on a 4 barrel is the logical progression! However, people are on the honor system as we don't pull side panels. As part of my belief system I would not bring a tractor to a pull that does not meet the rules and hope others would take the same approach. AFA the JD's are concerned, I would guess as they came from the factory in certain series with a dual throat side draft carb that would be considered stock and I doubt if anyone would quibble about their use even on models not so equipped from the factory. Here again I am not speaking for Brad in this matter but our pull is not built on picking people's tractors apart but being very mindful to try to give everyone a place to pull with tractors of similar capabilities.






mEl
This post was edited by mEl at 06:06:28 03/16/13.

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gtx1967jewison

03-18-2013 07:08:50
174.225.194.180



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 Re: First Annual Western Pennsylvania Classic in reply to mEl, 03-16-2013 05:57:03  
Thanks! The club i pull at has a rule of "any agricultural carb" & then it has to have a factory made manifold, aftermarket is ok such as heisler, Murphy, Johnson. This is the improved class. Farm stock i believe needs a stock carb. Our rpm is limited to 20%, the 30% + with blankets sounds much better!



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