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…

Going for a Joy Ryde
We all know and recognize the Syclone as a boosted V6 truck that willingly lays down 300HP in stock form and will make most muscle car owners momentarily think twice when one pulls up next to them at the light. But when todays muscle cars come from the factory boasting...
Project ZS-1

Project ZS-1

Projects Nov 25, 2014 0

Project ZS-1 begins as Dennis Harmon begins a new build on his Syclone. Purists brace yourselves, this monster is going V8.

Marlboro Madness

Marlboro Madness

SyTy News November 28, 2019 0

If you looking for some cool SyTy artwork to hang on your walls, look no further than Twin Skrull Design. TSD is owned by Michael Goglia, a Wisconsin based illustrator and graphic designer specializing in sports and automotive illustrations. TSD is currently offering prints of his Syclone and Typhoon... Read more
Donut Media – GMC SyTy Review
Recently, Donut Media – a popular media outlet for car culture and news, released their own version of “Everything you Need to Know, Up to Speed” regarding the GMC Syclone and Typhoon. Now, this wouldnt be the first time someone has tried their hand at giving their rendition of... Read more
Jay Leno’s Garage

Jay Leno’s Garage

SyTy News September 28, 2019 1

When the name Jay Leno is mentioned, most think of his comedy and late night show host career, but if you’re a car enthusiast, you immediately think about his love for the automotive history and his expansive collection of vintage and modern vehicles.  So it should be no surprise... Read more
Another JoyRyde
We’ve featured Tom Joy’s LSX iron block truck here on ISTR and love seeing it in action. Some recent footage of Tom’s Syclone #354 was featured at the Street Car Takeover in Maryland where Youtuber BigKlieb34 takes a few minutes to speak with Tom about how he got his... Read more
Hot Wheels Syclone
In recent news, diecast toymakers Hot Wheels seems to working on an upcoming release of the GMC Syclone for 2020. Floating on Instagram via @hotwheelsdreamteam are a few pictures of a rough 3D printed Syclone. While not much written information is given on any dates, colors, or details, we... Read more
Johnny Lightning – New Syclone Release
SyTy owners, like most any other car enthusiasts like to collect anything SyTySoGT related.  The more, the better.  For many years now, the best representation in diecasts has been from Johnny Lightning and their various colorways and interesting releases in both the Syclone and Typhoon. The end of 2018... Read more
Welcome to ISTR

Welcome to ISTR

SyTy News November 5, 2017 0

Roadkill Zip-Tie Drags Ohio
When David Freiburger and Mike Finnegan the hosts of the ever so popular TV show Roadkill hold their own car show & dragstrip event, it’s a must to attend. You see, this isnt your average run of the mill car show with super nice million dollar super cars or... Read more
SyTys@Carlisle 2017
Summer is upon us and that means one of the biggest SyTy shows is coming up! SyTy’s@Carlisle 2017 is rapidly approaching and we are looking to make this year our biggest turnout yet!  Once again, Sportmachines will be presenting SyTys@Carlisle and ISTR will be a marquee sponsor. The date... Read more
ISTR Forum is LIVE!
Part of our goal at ISTR is to be a central hub of information on the SyTySoGT under one roof. While we’d love to stuff every tidbit of information onto this site (and believe us, we will certainly try), a lot of information and knowledge is passed along between... Read more