There is a way to have Oldgas.com Shop Talk send you an email when a new topic is added to the For Sale forum.
* Login to Oldgas.com Shop Talk
* Click on your user name at the login spot on the upper right
* Select "Followed Lists" from the drop down menu under My Stuff
* Click on "Edit Followed Forums" on the right
* Click "Yes" on the line to the right of "For Sale or Trade"
* Select "When a new topic is created" on the same line in the Email Notification column
Then you will get an email whenever a new item is offered in a new topic on the For Sale forum on Shop Talk.
You can turn this off at any time by clicking "No" and "Never" on the Edit Followed Forums page