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Double Trouble December 9, 2022
1992 Pilot Syclone for Sale July 28, 2022
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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
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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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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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Mr. Syclone Update

Mr. Syclone Update

SyTy News May 8, 2016 0

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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

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

Sportmachines Super Stocks V2

Sportmachines Super Stocks V2

SyTy News Oct 1, 2019 2

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

The Great Typhoon Debate – 92 vs 93.

The Great Typhoon Debate – 92 vs 93.

SyTy Tech Dec 30, 2021 1

ISTR Instagram

1991 GMC Syclone Owner: Harmon @sytyharmon 1992

1991 GMC Syclone
Owner: Harmon @sytyharmon

1992 GMC Sonoma GT
Owner: Adam R. @internationalsytyregistry

#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: Jordan Fulton @jodowii2

1991 GMC Syclone
Owner: Jordan Fulton @jodowii2

Jordan going to grab some tacos 🌮 at the other side of the track.

#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: 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

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