So, I drilled the holes and mounted some Sidewinders for a test run of my shlongboard and... it carved better than my actual longboard??? (No video bc apparently I suck at that) :
NKX Backcountry Downhill Longboard
Magneto 27" Tribal Mini Cruiser Skateboard Longboard – Longboards USA
Choke Longboard Forest | Test and by skate-shoes-shop.com
Amazon.com : MEEPO Electric Longboard Skateboard with Remote for Adults, 31 MPH Top Speed, 31 Miles Long Range with 2800W*2 Belt Motor, Bamboo & Fiberglass Deck, 330 LBS Max Load, Voyager : Sports & Outdoors