International SyTy Registry

GMC Syclone, Typhoon, & Sonoma GT History and Data

ISTR MEMBERSHIP

Show your support for ISTR and become a certified member!

ISTR is your link to historical data, technical information as well as up to date news and events going on in the SyTySoGT community. By registering as a certified member, you are helping to keep this information available as well as to be able to continually grow and add more data amongst owners and enthusiasts. By establishing a professional community, we not only support ourselves but help draw attention and gain the support from outside vendors, publishers, or affiliates who might not otherwise get involved. ISTR is a registered non-profit organization and operated by owners and enthusiasts of the SyTySoGT. Information provided on this site is a combined effort of years of research and efforts of individuals who have put forth the time to acquire accurate information and data on these unique trucks.

ISTR offers 2 option of membership packages, Premium and Standard.

By becoming an *ISTR Premium Certified Member, you will receive:

  • ISTR T-Shirt
  • ISTR Membership Card (Personalized with your name and ISTR ID #)
  • ISTR Decals
  • ISTR Storm Sighting Cards
  • Enhanced Forum Access
  • Automatic Entry in ISTR Members Only Giveaways
  • High quality copies of the official PAS Build sheet(s) for your truck, a $25 Value!

PURCHASE PREMIUM PACKAGE

By becoming an *ISTR Standard Certified Member, you will receive:

  • ISTR T-Shirt
  • ISTR Membership Card (Personalized with your name and ISTR ID #)
  • ISTR Decals
  • ISTR Storm Sighting Cards
  • Enhanced Forum Access
  • Automatic Entry in ISTR Members Only Giveaways

PURCHASE STANDARD PACKAGE


ISTR Membership FAQ

Q. Is this a lifetime membership?
A. No, this is an annual membership, it will expire 365 days from date of purchase.

Q. What do I get if I purchase a membership the following year?
A. Each year we plan to change the t-shirt design, you would be sent a new t-shirt, new decals, continued access to the members only areas of the forum and additional storm sighting cards if requested.

Q. If I own more than one truck, will membership include build sheets for them all?
A. No, unfortunately we cannot provide more than one build sheet with this membership. Additional build sheets can be purchased through our store.

*Membership period starts on the day you sign up. You will receive notice when your membership is up for renewal which you may renew here on the site.

DONATE TO ISTR


If you would simply like to make a donation towards ISTR to help continued research and make this information available on this site without becoming a certified member, please use the payment below.

GET INVOLVED


Make the most out of your ISTR membership and affiliation and get engaged! Help write an article, submit ideas for the site, contribute to providing unpublished data, or participate in helping share information regarding the SyTySoGT. If you would like to become an editor or contributor to the ISTR site,  or have information that you would like to share with us, please contact us for more information on how you can help.