International SyTy Registry

GMC Syclone, Typhoon, & Sonoma GT History and Data

LSR Syclone – News Flash!
LSR Syclone Moves South
An iconic part of the GMC Syclone history has moved South. Way South. The LSR Syclone (Land Speed Record), which holds the world record for the first truck to break the 200mph barrier and being the fastest naturally aspirated truck at 210.089mph in a standing mile has been relocated... Read more
Car Fix on Velocity
Car Fix is a show on Velocity TV hosted by Lou Santiago and Jared Zimmerman. The premise of the show is to fix and restore vehicles from the classics to modern day vehicles. In Season 5, Episode 13, Car Fix is working on a GMC Syclone owned by Keith Gill from... Read more