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Double Trouble December 9, 2022
1992 Pilot Syclone for Sale July 28, 2022
Bill Alsup’s Syclone for sale May 26, 2022
Hotwheels Syclone Conversion November 7, 2021
Featured Revelations with Jason Cammisa September 25, 2021
Syclone Challenge May 4, 2021
1991 Syclone Walk-around Video February 4, 2021
Forza 4 SyTy Returns October 27, 2020
SyTys@Carlisle 2020 Review August 22, 2020
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4staff
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Double Trouble

SyTy News Dec 9, 2022 0

Double trouble if you ever run into this truck...

1992 Pilot Syclone for Sale

SyTy News Jul 28, 2022 0

The 1992 Pilot Syclone prototype owned by former PAS...

Bill Alsup’s Syclone for sale

SyTy News May 26, 2022 0

Former Indy driver and CART Rookie of the Year,...

Hotwheels Syclone Conversion

SyTy News Nov 7, 2021 0

With the popularity of the Hotwheels Syclone release...

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4staff
picks

Double Trouble

SyTy News Dec 9, 2022 0

Double trouble if you ever run into this truck...

1992 Pilot Syclone for Sale

SyTy News Jul 28, 2022 0

The 1992 Pilot Syclone prototype owned by former PAS...

Bill Alsup’s Syclone for sale

SyTy News May 26, 2022 0

Former Indy driver and CART Rookie of the Year,...

Hotwheels Syclone Conversion

SyTy News Nov 7, 2021 0

With the popularity of the Hotwheels Syclone release...

Couple camping

November 25, 2014 SyTyRegistry 0

Fall. Couple Backpackers hiking on the path in mountains during autumn.

Fall. Couple Backpackers hiking on the path in mountains during autumn.

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Recent Comments

Double Trouble

Double Trouble

SyTy News Dec 9, 2022 0

1992 Pilot Syclone for Sale

1992 Pilot Syclone for Sale

SyTy News Jul 28, 2022 0

Bill Alsup’s Syclone for sale

Bill Alsup’s Syclone for sale

SyTy News May 26, 2022 0

Sportmachines Super Stocks V2

Sportmachines Super Stocks V2

SyTy News Oct 1, 2019 2

Another JoyRyde

Another JoyRyde

Member Feature Sep 11, 2019 1

The Great Typhoon Debate – 92 vs 93.

The Great Typhoon Debate – 92 vs 93.

SyTy Tech Dec 30, 2021 1

Comments

About ISTR

Welcome to the home of the International Syclone Typhoon Registry (ISTR), the only digital magazine and source that is aimed specifically towards the information and history of the GMC Syclone, Typhoon, and Sonoma GT! This site was built to educate, inform, and share knowledge based around the famed Sportmachine trucks.

ISTR was built to take data, information and latest news stories to be able to collectively share it amongst owners and enthusiasts.

Recent Comments

Double Trouble

Double Trouble

SyTy News Dec 9, 2022 0

1992 Pilot Syclone for Sale

1992 Pilot Syclone for Sale

SyTy News Jul 28, 2022 0

Sportmachines Super Stocks V2

Sportmachines Super Stocks V2

SyTy News Oct 1, 2019 2

Another JoyRyde

Another JoyRyde

Member Feature Sep 11, 2019 1

ISTR Instagram

1991 GMC Syclone
Owner: Winston Martin

♠️ 💯

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #sporttruck #theofficialsyty #turbocharged #alltheboost #minitruckin #gmcsonoma #chevys10 #turbotruck

1991 GMC Syclone “Bully Syclone” #sytyregist

1991 GMC Syclone
“Bully Syclone”

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #sporttruck #theofficialsyty #turbocharged #alltheboost #minitruckin #gmcsonoma #chevys10 #turbotruck

Why you don’t sleep on SyTys from a dead stop ☠️ 🤣

@syty.guy with the boost launch action!

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #sporttruck #theofficialsyty #turbocharged #alltheboost #minitruckin #gmcsonoma #chevys10 #turbotruck

1991 GMC Syclone One of our favorite advertiseme

1991 GMC Syclone

One of our favorite advertisements for the GMC Syclone!

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #sporttruck #theofficialsyty #turbocharged #alltheboost #minitruckin #gmcsonoma #chevys10 #turbotruck

1992 GMC Typhoon
🎥: @carpenter.jesse

That 🔪 🫶🏼

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #sporttruck #theofficialsyty #turbocharged #alltheboost #minitruckin #gmcsonoma #chevys10 #turbotruck

Big Congrats to our friends Carey & Lance on their

Big Congrats to our friends Carey & Lance on their new adventures together officially as the Engebretson’s!

💍 @_4nicater_ @lifewithmykidsx2

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #sporttruck #theofficialsyty #turbocharged #alltheboost #minitruckin #gmcsonoma #chevys10 #turbotruck

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