Most frequent questions and answers

Values have been compiled by analysis of empirical data through statistical inference in consideration with other influential trends.

All values are determined by statistical analysis with a 95% confidence level.

Site access is based on membership and is required to access  and or submit content.  

Unfortunately, the answer is no. Content can be submitted by members only.

Therefore, if you would like to submit content, we invite you to become a member so that you can submit content.

Generally speaking, the answer is no. We encourage participation by submissions from our members to help ensure our accuracy. However, abuse shall not be tolerated if detected. 

Our database contains values for pumps in both restored condition and unrestored condition.

No, the focus is on specific subset of pumps that command a highly significant position within the hobby based on their availability and frequency of exchange as the most commonly traded pumps.

All changes can be made on the Memberships Account page. To access this page just click page link above or in the footer menu. 

All membership levels are charged on a monthly basis and can be canceled any time prior to next billing cycle.   

We hate to see you go, but if you wish to cancel your account and end your membership that can be done via the Memberships Account page.