tractor pulling
10-15-2008, 12:16 AM
#16
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Location: rosebud, texas
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my injection pump is off of a 2670 case and the turbo off of a 4890 case. not for sure how big (mm) the turbo is but i will measure it on thursday. what kind and size bit did you use to drill out the injectors? and what size john deere pump is capable of 800cc?
10-16-2008, 06:45 PM
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i am not for sure on the tips i will ask and find out, but just about any pump off of a jd can be built to go 800, but it is highly modified and there are only a couple of shops that can make them flow that much.
10-23-2008, 06:21 PM
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we drilled out the injectors a considerable amount and there was no noticeable power change. the tractor ran smoother at higher rpms but that was it. i guess it will have to stay like this for the rest of the season. i havent pulled it yet like this. the last time it pulled it was only making 185 hp and it spun out in fourth high. now 1st we have a local pull so i guess i will see what is going to happen. im going for broke.
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