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Directory Topics Posts Last Post
Common Room
General discussion about the SyTySoGT.
Topics: 28 Posts: 119
28 119
The proving grounds of SyTy racing. Drag strip, autoX, standing mile and street action.
Topics: 5 Posts: 7
Last Post: Bench Racing
5 7
Aeroking
Bench Racing
Sub-Forums:
Restorations, modifications, or just the joys of ownership...start a diary thread on your truck(s)!
Topics: 13 Posts: 64
Last Post: Sonoma GT 245
13 64
Sportmachines
Sonoma GT 245
Topics: 5 Posts: 5
Last Post: 1gdct18z0n0811068
5 5
Captain Morgan
1gdct18z0n0811068
Sub-Forums:
Syclone (0/0)
Sonoma GT (0/0)
92 Typhoon (2/2)
93 Typhoon (3/3)
ISTR news and updates regarding the forum. Post your issues or problems here.
Topics: 10 Posts: 11
10 11
sytyguy
ISTR Financial Reporting
by sytyguy
Off topic discussion of all things non-SyTySoGT
Topics: 7 Posts: 31
7 31
SYO237
Typhoon mention Car and Driver
by SYO237
Information & Historical Data
SyTySoGT related articles, news feeds, print media, TV appearance, and videos recently published.
Topics: 15 Posts: 16
15 16
From part numbers to fluid info, your guide to SyTySoGT ownership.
Topics: 6 Posts: 10
6 10
SYO237
Stock Engine Specifications
by SYO237
Learn about PAS, prototypes, and the history leading up to and during the production of the sportmachine trucks.
Topics: 10 Posts: 12
10 12
SyTySoGT Tech
SyTySoGT related how-to articles from modifications to fixing common issues. Sponsored by:
Topics: 7 Posts: 8
7 8
Topics: 15 Posts: 39
Last Post: meth safety switch
15 39
randy merritt
meth safety switch
Topics: 5 Posts: 14
5 14
Topics: 10 Posts: 16
Last Post: C101 Wiring Chart
10 16
RealFastV6
C101 Wiring Chart
Sub-Forums:
TurboTweak (0/0)
Topics: 1 Posts: 1
1 1
SYO237
DuPont Interior Trim Paint Codes
by SYO237
Topics: 3 Posts: 15
3 15
S678
Typhoon glass handle removal?
by S678
SyTySoGT LS Conversion discussion.
Topics: 3 Posts: 50
3 50
FastBlackTA
Ls Swap Single Turbo Build
SyTySoGT Events
2017 Carlisle Truck Nationals August 5th - 7th Carlisle, PA
Topics: 11 Posts: 52
11 52
2018 Carlisle Truck Nationals August 3rd - 5th Carlisle, PA
Topics: 6 Posts: 12
Last Post: 2018 roster
6 12
SY-1193
2018 roster
by SY-1193
Topics: 20 Posts: 52
20 52
Sub-Forums:
Northeast (3/22)
Southeast (3/10)
Midwest (3/4)
Southern (2/5)
West (2/4)
Canada (0/0)
Classifieds
Topics: 25 Posts: 42
25 42
Sub-Forums:
Powered by:
Topics: 3 Posts: 4
3 4
Vendors Row
Topics: 6 Posts: 12
6 12
Topics: 0 Posts: 0
0 0
Topics: 1 Posts: 1
Last Post: Bumper bracket
1 1
SyRob
Bumper bracket
by SyRob
ISTR Memorial
Topics: 0 Posts: 0
0 0

Welcome to the ISTR Forums!

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The International Syclone Typhoon Registry is an organization that is focused on the accurate history, preservation, technical information and data collection of the 1991-93 GMC Syclone, Typhoon, & Sonoma GT sportmachine trucks.

Please consider becoming an ISTR member to gain access to REALLY cool stuff, get entered into members only raffles, and to get discounts from our vendors!

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There are currently 4 users online. 0 members and 4 guests.

Most users ever online was 121 at 12:18 PM on 05-05-2017.

ISTR Forum Stats

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Topics: 270   Posts: 671   Members: 237   Active Members: 45
Welcome to our newest member, Ssschaib.
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