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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
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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

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: Robert Pothorcki @robertpo

1991 GMC Syclone
Owner: Robert Pothorcki @robertpothorcki

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

1991 GMC Syclone Owner: Jose Sanchez @elorejas87

1991 GMC Syclone
Owner: Jose Sanchez @elorejas87
📍Texas

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

1993 GMC Typhoon Owner: Nick Romash @nickromash

1993 GMC Typhoon
Owner: Nick Romash @nickromash

#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: Scott Brown #sytyregistry

1991 GMC Syclone
Owner: Scott Brown

#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 2701 Classic photo from the earl

1991 GMC Syclone 2701

Classic photo from the early 90s by Marty McGuire.

#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

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