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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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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.

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Forza 4 SyTy Returns

Forza 4 SyTy Returns

General Oct 27, 2020 0

SyTys@Carlisle 2020 Review

SyTys@Carlisle 2020 Review

Events Aug 22, 2020 0

Another JoyRyde

Another JoyRyde

Member Feature Sep 11, 2019 1

Growing up SyTy

Growing up SyTy

Member Feature Aug 31, 2017 7

ISTR Instagram

1992 GMC Typhoon 299 📍Southern California #syt

1992 GMC Typhoon 299
📍Southern California

#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 0136 #sytyregistry #internationa

1991 GMC Syclone 0136

#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 0007 Owner: Will Rogers @realwill

1993 GMC Typhoon 0007
Owner: Will Rogers @realwillrogers
📍Washington

#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: Gary Sexton @lasergypsy #

1993 GMC Typhoon
Owner: Gary Sexton @lasergypsy

#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: Robert Pothorcki @robertpo

1991 GMC Syclone
Owner: Robert Pothorcki @robertpothorcki
📍Sweden

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sexmachines #sportmachines #turbo #turbocharged #boost #theofficialsyty #black #1991 #dragtruck #racetruck #sweden #fastestv6truck #fastestsyclone #recordholder #hoosiertires

1991 GMC Syclone 1362 #sytyregistry #internationa

1991 GMC Syclone 1362

#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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International SyTy Registry 2016

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