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We have concluded our forum upgrade. We are aware of some styling issues, but the site functionality should be 100%. We're working to repair the few issues that remain, but the site is now patched & secure. Thanks for being patient with us!
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Directory Topics Posts Last Post
Common Room
General discussion, SyTy related or not. Most of these types of conversations are more fit for Facebook at this point, but we didn't want to eliminate this section completely.
Topics: 56 Posts: 228
56 228
Captain Morgan
Bill Bixby's Typhoon
The proving grounds of SyTy racing. Drag strip, autoX, standing mile and street action.
Topics: 8 Posts: 24
8 24
Restorations, modifications, or just the joys of ownership...start a diary thread on your truck(s)!
Topics: 25 Posts: 130
Last Post: Syclone #136
25 130
RealFastV6
Syclone #136
ISTR news and updates regarding the forum. Post your issues or problems here.
Topics: 10 Posts: 12
Last Post: SyTy Chat Room
10 12
Melody
SyTy Chat Room
by Melody
This is a redirect to the ISTR OT on Facebook. If you are not on Facebook, anything you would normally post here may be posted in SyTySoGT Chat above.
Topics: 0 Posts: 0
0 0
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
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: 9
7 9
Topics: 40 Posts: 178
Last Post: Muffler
40 178
Dennyjr74
Muffler
Topics: 15 Posts: 80
15 80
Topics: 16 Posts: 42
16 42
Topics: 3 Posts: 16
3 16
DaveP
Dimmer Control For Add-on Gauges
by DaveP
Topics: 6 Posts: 22
6 22
SyTySoGT LS Conversion discussion.
Topics: 3 Posts: 50
3 50
FastBlackTA
Ls Swap Single Turbo Build
SyTySoGT Events
February 22nd - 24th Lakeland, FL
Topics: 2 Posts: 4
2 4
Turbo666
SyTys @ Lakeland '19
2019 Carlisle Truck Nationals August 2nd - 4th Carlisle, PA
Topics: 3 Posts: 16
3 16
4cefed6
SyTys@Carlisle 2019 - ROSTER
by 4cefed6
2018 Carlisle Truck Nationals August 3rd - 5th Carlisle, PA
Topics: 6 Posts: 16
Last Post: Itenerary
6 16
Tbauer03
Itenerary
2017 Carlisle Truck Nationals August 5th - 7th Carlisle, PA
Topics: 11 Posts: 52
11 52
Topics: 22 Posts: 55
22 55
Aeroking
4th Annual Buffalo SyTy Meet
Classifieds
Topics: 42 Posts: 90
42 90
4cefed6
WTB rear hatch glass
by 4cefed6
Powered by:
Topics: 4 Posts: 5
4 5
Vendors Row
Topics: 6 Posts: 14
6 14
SVO
BRUTUS: The new shop Typhoon
by SVO
Topics: 0 Posts: 0
0 0
Topics: 1 Posts: 1
Last Post: Bumper bracket
1 1
SyRob
Bumper bracket
by SyRob

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.

We've been upgrading things since the big vBulletin hack of September, so bear with us over the coming days. Things may seem wonky at times, but we promise to keep the site up as consistently as possible. So, if something is missing or unavailable, please check back.

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Topics: 377   Posts: 1,165   Members: 383   Active Members: 23
Welcome to our newest member, MikeySy1413.
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