Given the way this tractor will be run - short run times, low speeds & RPMs, I think if you install one of the "beehive" oil coolers that was mentioned, you'll have more than adequate oil cooling to keep this motor healthy. From the photos, it appears you'll have plenty of space to pull off the installation without any interference issues.
Edit: Another approach to consider, if this motor really won't run for longer than a half hour or so at a pop is to leave it the way it is, but add in an oil temp gauge to closely monitor temps, and shut it down if it approaches the danger zone.
Last edited by Pete_89T2; 03-29-2014 at 06:40 AM.
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