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Double Trouble December 9, 2022
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Hotwheels Syclone Conversion November 7, 2021
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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...

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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

Another JoyRyde

Another JoyRyde

Member Feature Sep 11, 2019 1

Hemmings Muscle Machines

Hemmings Muscle Machines

General Jun 25, 2017 1

The Great Typhoon Debate – 92 vs 93.

The Great Typhoon Debate – 92 vs 93.

SyTy Tech Dec 30, 2021 1

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

Another JoyRyde

Another JoyRyde

Member Feature Sep 11, 2019 1

Hemmings Muscle Machines

Hemmings Muscle Machines

General Jun 25, 2017 1

ISTR Instagram

1991 GMC Syclone Owner: Gordon Gullon “Two roa

1991 GMC Syclone
Owner: Gordon Gullon

“Two roads diverged in a wood, and I—
I took the one less traveled by,
And that has made all the difference.”
• R. Frost

#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 #sytyregistry #internationalsyt

1991 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

1991 GMV Syclone Owners: @jtwins_syclone AWD bu

1991 GMV Syclone
Owners: @jtwins_syclone

AWD burnouts 🫶🏼

#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 237 Owner: Adam R. @international

1991 GMC Syclone 237
Owner: Adam R. @internationalsytyregistry
📸: @iturgeon

#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 Owner: @svracingteam 📍Mexico

1991 GMC Syclone
Owner: @svracingteam
📍Mexico

#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 Owner: @sonicgolfr Syclone pack

1991 GMC Syclone
Owner: @sonicgolfr

Syclone packing boost a LT4 swap! 💨

#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 #LT4

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