International SyTy Registry

GMC Syclone, Typhoon, & Sonoma GT History and Data

SyTySoGT Keychains

Owner and ISTR Member Adam Ribakoff is once again offering up custom made mirrored acrylic keychains for the SyTySoGT in a group purchase. Each keychain is laser cut from mirrored acrylic and features your truck number. The keychain is designed to be just big enough to accentuate the intricate designs in…

Syclone Challenge
With the launch of the GMC Syclone in 1991, a promotional event was created, planned and facilitated by Vista Group in coordination with GMC Truck Division known as the “Syclone Challenge”. The trucks used in the event became known as the “Syclone Challenge Trucks”. The Syclone Challenge was part... Read more
1991 Syclone Walk-around Video
When the GMC Syclone was introduced in 1991, GM used videos that were sent to dealerships as a training tool for the salesman. The 13 minute video covers all of the highlight features, performance data, and promotional information of the truck and was to be utilized as a learning... Read more
92 Sonoma GT Info Page
The 1992 GMC Sonoma GT is a truck that is often forgotten when the topic is focused on the much more famed GMC Syclone and Typhoon.  The production numbers of the Sonoma GT would turn out to be significantly less than the SyTy would see, and with only 806... Read more
Forza 4 SyTy Returns
Dust off those Xboxs, the Syclone and Typhoon are back once again in Forza Horizon 4! Known for being one of the better interactive racing games available, Forza gave us the option to drive a variety of cars that you could actually afford to buy in reality but also... Read more
SyTys@Carlisle 2020 Review
LSR Syclone – News Flash!
JoyRyde goes 9s!
Tom Joy, known for his menacing muscle car destroying iron block LSX Syclone just posted footage of a 9 second pass at Capitol Raceway in Maryland. His truck, known better as “JOYRYDE” is no stranger to making fast passes and has participated in multiple events such as the Street... Read more
Syclone & Typhoon Coloring!
Due to our current worldwide situation with many of us staying at home and having to come up with creative ways to entertain yourself and family members (kids), ISTR wanted to give an opportunity to change up the pace and offer up some SyTy templates (renders from 3dTuning) to... Read more
LEGO® Syclone
Need a break from the daily grind? Still like to play with toys? Perfect! Heres a video tutorial on building your very own LEGO® Syclone done by Custom Bricks & Models by Ren. Per the video info,  you should be able to easily convert this build into the GMC... Read more
Gale Banks talks Syclone
In a recent CarCast podcast, co-host Matt D’Andria bought a 1995 Ford F-150 Lightning equipped with a Ford Motorsports supercharger and brought it to Gale Banks to run it through its paces on the dyno and gather some data. Before the action starts, the GMC Syclone is brought up... Read more