Hi. i want to fit a quadcut disc to a chonda powered victa chassis.. it has the cast boss with the two lugs..Q..would drilling two holes in the disc weaken it in any way.
I could use the correct Masport boss, but this motor does not have the keyway to suit the woodruff key.

Attachments
100_4431.JPG (153.18 KB, 47 downloads)
100_4432.JPG (205.94 KB, 46 downloads)