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1991 Syclone Walk-around Video February 4, 2021
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International SyTy Registry

GMC Syclone, Typhoon, & Sonoma GT History and Data

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Another JoyRyde

Member Feature Sep 11, 2019 1

We’ve featured Tom Joy’s LSX iron block truck here...

Growing up SyTy

Member Feature Aug 31, 2017 7

For most car and truck enthusiasts, speed and power...

Hemmings Muscle Machines

General Jun 25, 2017 1

In the July 2017 issue of Hemmings Muscle Machines...

Car Fix on Velocity

General Mar 18, 2017 0

Car Fix is a show on Velocity TV hosted by Lou...

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4staff
picks

Another JoyRyde

Member Feature Sep 11, 2019 1

We’ve featured Tom Joy’s LSX iron block truck here...

Growing up SyTy

Member Feature Aug 31, 2017 7

For most car and truck enthusiasts, speed and power...

Hemmings Muscle Machines

General Jun 25, 2017 1

In the July 2017 issue of Hemmings Muscle Machines...

Car Fix on Velocity

General Mar 18, 2017 0

Car Fix is a show on Velocity TV hosted by Lou...

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Mr. Syclone Update

Mr. Syclone Update

SyTy News May 8, 2016 0

Read more

SyTys@Carlisle 2021

Days to SyTys@Carlisle 2021August 6, 2021

162 days to go.

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1991 Syclone Walk-around Video

1991 Syclone Walk-around Video

General Feb 4, 2021 0

92 Sonoma GT Info Page

92 Sonoma GT Info Page

General Jan 3, 2021 0

Forza 4 SyTy Returns

Forza 4 SyTy Returns

General Oct 27, 2020 0

Another JoyRyde

Another JoyRyde

Member Feature Sep 11, 2019 1

Hot Wheels Syclone

Hot Wheels Syclone

General Sep 3, 2019 1

LSR Syclone – News Flash!

LSR Syclone – News Flash!

SyTy News Jul 17, 2020 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

1991 Syclone Walk-around Video

1991 Syclone Walk-around Video

General Feb 4, 2021 0

92 Sonoma GT Info Page

92 Sonoma GT Info Page

General Jan 3, 2021 0

Another JoyRyde

Another JoyRyde

Member Feature Sep 11, 2019 1

Hot Wheels Syclone

Hot Wheels Syclone

General Sep 3, 2019 1

ISTR Instagram

1991 GMC Syclone Owner: Tom Joy @joyrydes 📷: @i

1991 GMC Syclone
Owner: Tom Joy @joyrydes
📷: @internationalsytyregistry

Dare you to ask Tom to race. Go for a full mile if you aren’t scared.

#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: Grant Marsh 📍Florida #

1993 GMC Typhoon
Owner: Grant Marsh
📍Florida

#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 262 Owner: Orlando Melendez 📍P

1993 GMC Typhoon 262
Owner: Orlando Melendez
📍Puerto Rico

#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: Jerry Ray 📍Mississippi

1993 GMC Typhoon
Owner: Jerry Ray
📍Mississippi

#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 Marlboro Edition Owner: Ron Baile

1991 GMC Syclone Marlboro Edition
Owner: Ron Bailey @bigworm571

Two of the hottest trucks in the world, No. 1 and No. 10 reunited! 🔻🔻

#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 #marlboro #marlborosyclone #targatop

1992 GMC Typhoon Owner: Greg Stewart #sytyregistr

1992 GMC Typhoon
Owner: Greg Stewart

#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

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