Quote:
Originally Posted by dsmithjr
I have been reading the forum trying to gather info on a possible engine swap. I have a 108 that I am going to use as a yard tractor for pulling my wagon,leaf sweeper and disk and eventually plow with. It has a 12hp kohler with a bad carb and possibly some other issues. I have 2 18 hp briggs opposed twins on other tractors that I am considering putting into the cub 108. I have read that I will have to cut the frame but I have been unable to search and find a thread with more details. Everyone please give me thoughts and ideas other than rebuilding the stock engine. I am looking for a "restomod" type set up for this cub. Thanks so much for this great forum.
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You are going to have to cut away quite a bit of frame to get an opposed twin in there I would think. You will have to figure out a way to reinforce the frame. I also think you will be hard pressed to make it a bolt on affair.
I think a v-twin would be easier to fit in if you are dead set on something other than a single cyl. kohler.
I personally would take the Kohler. Rebuild the carb, mill the head about .030 and get your ignition in shape and it will put out some good horsepower!
Not trying to rain on you parade, but I think you would spend more time and money trying to put the twin in.
I love to mod stuff, but its always and one step forward and two steps back!
Good luck with your project and post some pics!
Randy