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LSR Syclone Moves South December 7, 2019
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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 0

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...

ISTR Memberships now OPEN!

General Aug 9, 2017 0

Show your support for ISTR and become a certified...

SK Kustom’s Typhoon – 10.49@129

General Jul 9, 2017 4

Congrats goes out to Sean Krupa for his new...

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4staff
picks

Another JoyRyde

Member Feature Sep 11, 2019 0

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...

ISTR Memberships now OPEN!

General Aug 9, 2017 0

Show your support for ISTR and become a certified...

SK Kustom’s Typhoon – 10.49@129

General Jul 9, 2017 4

Congrats goes out to Sean Krupa for his new...

hotel room

November 26, 2014 SyTyRegistry 0

bright and clean hotel room interior with modern furniture

bright and clean hotel room interior with modern furniture

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Recent Comments

LSR Syclone Moves South

LSR Syclone Moves South

SyTy News Dec 7, 2019 0

Marlboro Madness

Marlboro Madness

SyTy News Nov 28, 2019 0

Donut Media – GMC SyTy Review

Donut Media – GMC SyTy Review

SyTy News Nov 2, 2019 0

SK Kustom’s Typhoon – 10.49@129

SK Kustom’s Typhoon – 10.49@129

General Jul 9, 2017 4

Roadkill Zip-Tie Drags Ohio

Roadkill Zip-Tie Drags Ohio

General Jul 28, 2017 1

Hot Wheels Syclone

Hot Wheels Syclone

General Sep 3, 2019 1

SyTys@Carlisle 2020

Days to SyTys@Carlisle 2020August 6, 2020

238 days to go.

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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.

Recent Comments

LSR Syclone Moves South

LSR Syclone Moves South

SyTy News Dec 7, 2019 0

Marlboro Madness

Marlboro Madness

SyTy News Nov 28, 2019 0

SK Kustom’s Typhoon – 10.49@129

SK Kustom’s Typhoon – 10.49@129

General Jul 9, 2017 4

Roadkill Zip-Tie Drags Ohio

Roadkill Zip-Tie Drags Ohio

General Jul 28, 2017 1

ISTR Instagram

Instagram post 2197342573746651279_3123983982

1991 GMC Syclone
Tag the owner‼️ #sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sexmachines #sportmachines #turbo #turbocharged #boost #theofficialsyty #black #1991 #turbotruck #gmcnation #allblack #sonoma #sporttruck #alltheboost #blackrims

Instagram post 2196594230380646577_3123983982

1991 GMC Syclone

The Hoover Syclone (Doc & Matt) was one of the first SyTys to crack into the 10s in the quarter mile and for awhile held the record for the fastest V6 AWD Syclone at a 9.89 at 137mph. Using a .30 over bowtie block and 72mm turbo, it also had a custom front coilover and caltrac setup for suspension. The Hoover’s records have been broken and further development has come a long way on motors, suspension and engine management since the late 90s and early 2000s, but the Hoover truck will always be an iconic part of the SyTy community.

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sexmachines #sportmachines #turbo #turbocharged #boost #theofficialsyty #black #1991 #turbotruck #gmcnation #sonoma #sporttruck #alltheboost #recordholder

Instagram post 2195871091652704752_3123983982

1992 GMC Typhoon 1312 - Raspberry / Raspberry
Yes, a real factory color done at the GM assembly plant with only 2 produced. This was a test color that did not go into production.

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

Instagram post 2195161207126825271_3123983982

1993 GMC Typhoon

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

Instagram post 2193756640388558839_3123983982

1993 GMC Typhoon, Garnet/Gray
Tag the owner‼️ #sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sexmachines #sportmachines #turbo #turbocharged #boost #sporttruck #theofficialsyty #garnet #turbotruck #gmnation #turbocharged #alltheboost

Instagram post 2192952148587938621_3123983982

1992 GMC Sonoma GT 245
Owner: LeRoy Fink

#sytyregistry #internationalsytyregistry #ISTR #gmc #gmctrucks #gmcsyclone #gmctyphoon #syclone #typhoon #sonomagt #syty #sytysogt #PAS #fancysonoma #fancyjimmy #sexmachines #sportmachines #turbo #turbocharged #boost #theofficialsyty #sonoma #s10 #2wd #naturalyaspirated #poormanssyclone #minitruckin #s10life

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International SyTy Registry 2016

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