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Bill Alsup’s Syclone for sale

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

Hotwheels Syclone Conversion

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Revelations with Jason Cammisa

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With the popularity of today’s internet influencers, it comes...

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With the launch of the GMC Syclone in 1991,...

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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...

Revelations with Jason Cammisa

Member Feature Sep 25, 2021 0

With the popularity of today’s internet influencers, it comes...

Syclone Challenge

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With the launch of the GMC Syclone in 1991,...

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SyTys@Carlisle 2022

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Bill Alsup’s Syclone for sale

Bill Alsup’s Syclone for sale

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The Great Typhoon Debate – 92 vs 93.

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Hotwheels Syclone Conversion

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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

Bill Alsup’s Syclone for sale

Bill Alsup’s Syclone for sale

SyTy News May 26, 2022 0

The Great Typhoon Debate – 92 vs 93.

The Great Typhoon Debate – 92 vs 93.

SyTy Tech Dec 30, 2021 0

Another JoyRyde

Another JoyRyde

Member Feature Sep 11, 2019 1

Hemmings Muscle Machines

Hemmings Muscle Machines

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ISTR Instagram

1992 GMC Typhoon Owner: Mark Feuillerat @slostorm9

1992 GMC Typhoon
Owner: Mark Feuillerat @slostorm92
📍Wisconsin

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #theofficialsyty #alltheboost #minitruck

1992 GMC Sonoma GT Owner: Nick Romash @nickromash

1992 GMC Sonoma GT
Owner: Nick Romash @nickromash

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #theofficialsyty #alltheboost #minitruck

1991 GMC Syclone Owner: @chris_car_pics 📍Penns

1991 GMC Syclone
Owner: @chris_car_pics
📍Pennsylvania

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #theofficialsyty #alltheboost #minitruck

1993 GMC Typhoon 1206 Owner: Travis Gerulski @hunt

1993 GMC Typhoon 1206
Owner: Travis Gerulski @huntwithtrap

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #theofficialsyty #alltheboost #minitruck

Happy Fathers Day to all the SyTy Dads out there!

Happy Fathers Day to all the SyTy Dads out there!

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #theofficialsyty #alltheboost #minitruck

1991 GMC Syclone 2424 Owner: Ian Turgeon @iturgeon

1991 GMC Syclone 2424
Owner: Ian Turgeon @iturgeon

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sportmachines #turbo #turbocharged #boost #theofficialsyty #alltheboost #minitruck

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