I went with 1-inch. Three holes equally spaced between the clips/slides.
B bmwhodag New member Mar 11, 2010 #21 I went with 1-inch. Three holes equally spaced between the clips/slides.
indy_500 Well-known member Mar 11, 2010 #22 i ported my track. about 3 1 in. in diameter holes thruout the whole thing. the rest of the holes are only 1/4 in. in diameter.
i ported my track. about 3 1 in. in diameter holes thruout the whole thing. the rest of the holes are only 1/4 in. in diameter.
