Wd/wd45 speed

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   Good afternoon gents, picked up a wd non running with a late d17 engine transplanted and 13.6x38 tires on it. I am pondering on keeping my current wd at 240 cubes as my grandpa and I built this tractor while I was in grade school.

This would mean this could be a potential candidate to be bored and stoked and my understanding is the later d17 block is better due to oiling and block strength improvements. What I am wondering is what speed does a straight stick wd go with 38 inch tires at stock wd rpm and then what speed at higher rpm. I ask here as I’m sure there are several folks who have put 38s on an allis

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blue924.9 Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 22 Mar 2013 Location: George Iowa Points: 1086	Post Options Post Reply Quote blue924.9 Report Post Thanks(0) Quote Reply Topic: Wd/wd45 speed Posted: 03 Aug 2024 at 9:17am
	Good afternoon gents, picked up a wd non running with a late d17 engine transplanted and 13.6x38 tires on it. I am pondering on keeping my current wd at 240 cubes as my grandpa and I built this tractor while I was in grade school. This would mean this could be a potential candidate to be bored and stoked and my understanding is the later d17 block is better due to oiling and block strength improvements. What I am wondering is what speed does a straight stick wd go with 38 inch tires at stock wd rpm and then what speed at higher rpm. I ask here as I’m sure there are several folks who have put 38s on an allis
	hi my names dan, I am a young guy. i have a problem, i prefer my tractors orange and my clutches mechanical, thanks for letting me share

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DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 20689	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 03 Aug 2024 at 4:09pm
	WHAT SIZE (width) of 38's ??? what gear and what higher RPM speed ?? Generally a straight stick WD at 1700 RPM with 15.5 x 38's runs down the track at 3.5 MPH. Different tire brands have slightly different diameters.