Anyone have information of what a Big Dog engine block core is for an old McCoulough 1-86 saw? Looking at one that has this in the listing. Saw has an upgraded Tilly carb, 2:1 gear drive, 404 upgraded sprocket and largest H&S Hadston custom bucking spike. Any information appreciated thanks
McCoulogh 1-86
- Thread starter Ilovesaws
- Start date
