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Breaking In a New Engine

Oregon Tractor Jack

Oregon Tractor Jack

Member
I am rebuilding my pulling tractor. Installing new pistons and cylinders. My question is how to break the engine in. I have removed the PTO to save weight and I don't have any implements to attach to it to really work it. I don't think the rings will seat much by just pulling the sled down the track. Suggestions.
 
Have built and raced high performance engines of most types for years. Proper assembly lube, clearances and assembly. Prime oil system. Start and assure oil pressure, verify timing and ballpark tuning. Then either to the track or the dyno. Limit idling and maintain good oil supply to the valve train. I've never used a conventional break in and have never had a mechanical issue by not using one. The long and short. Oil pressure, timing, proper tuning and pull it!
 
I've never tried this, but often overheard the old timers talk about breaking in an engine with talcum power. Maybe others here know more about it. The thought is that it is just abrasive enough to seat the rings and make a good seal. It would be sprinkled in the carb air intake and down (or up)to the pistons. Others?
 
I am taking mine out on the road, going up and down hills, seems to be loading it pretty good.
 
I have an AC WF tractor that is almost done. I plan on hooking it to a 2700 lb concrete block- the ones that redi-mix makes from extra concrete and sell to landscape stores, etc., and drive around the yard! They"re 2x2x4 feet. I have about 15 of them, used for feedlot "posts", so if one doesn"t load it enough.......
 

It wasn't talcum powder, it was BonAmi and it used to be sold as break-in powder under a Caterpillar part number.

They stopped that for a reason... Don't think I would do it today.
 
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