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…

Mecum – Clint Eastwood’s Typhoon
It’s a known fact that Clint Eastwood has a soft spot for the GMC Typhoon. He has owned several and typically daily drives (as he recently mentioned on the Jimmy Fallon Show) and is frequently photographed in his 93 Green/Gray, most recently when visiting Ellen Degeneres.  This of course,... Read more
ISTR GoPro Raffle
ISTR RAFFLE IS UNDERWAY! Win a GoPro Hero Session with a 64GB Card and 2 Year Protection Plan via GoPro Care! $10 Per Ticket, No limits per person, buy as many tickets as you want! Entry cutoff will end on 10/27/17. Drawing will be on Saturday, October 28th 2017... Read more
5th Annual Medina Meet
The 5th Annual Midwest Ohio Medina Meet is happening once again, hosted by owner Matt Fralick. As always, it’s a free event and will be kid friendly. Plans are to gather around 2pm. Hang there for a few hours (maybe enough time to attempt a turbo swap in the... Read more
SyTys@Carlisle 2017 Review
Each year in the small town of Carlisle, Pennsylvania a storm begins to brew with the gathering of the Syclones and Typhoons. Of course, this is a much welcomed storm as trucks from across the country get together and hold the annual SyTys@Carlisle event during the Truck Nationals, put... Read more
ISTR Memberships now OPEN!
Show your support for ISTR and become a certified member! ISTR is your link to historical data, technical information as well as up to date news and events going on in the SyTySoGT community. By registering as a certified member, you are helping to keep this information available as... Read more
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
SK Kustom’s Typhoon – 10.49@129
Congrats goes out to Sean Krupa for his new personal record on his Typhoon 2.0 build and going 10.49@129mph (with a best of 131mph) with a 1.59 60 foot!  Oh, and best of all? The truck is 100% streetable and not just a trailer and track queen. In fact,... 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
Hemmings Muscle Machines
In the July 2017 issue of Hemmings Muscle Machines Magazine, a feature article was published called – “Two Out of Three Ain’t Bad – 1993 GMC Typhoon”. Written by Jeff Koch (an author who is familiar and written past articles on our trucks) goes on to write: The great... Read more
Early Typhoon Warning!
For those who collect Johnny Lightning diecasts, get ready for another new GMC Typhoon release! JL announced in June for a scheduled release for July. This new series is being called “Gone Fishing” and will feature 2 versions of the Typhoon that comes equipped with matching boat and trailer.... Read more