Basically more fuel and more boost, timing, porting, etc. Same thing
they do to the big pulling tractors you need to do to the small ones.
Then comes the rods, valves and springs, roller rockers, pistons etc to
make it live.
--- In
nwohiogardentractorpulling@yahoogroups.com, "TCurles"
<twcfarms@...> wrote:
>
> New to your group, been pulling for several years in south Ga. I just
> recently powered a cub with D720 kubota engine. Would like to get
more
> power would anyone have suggestion. Thanks
>
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