Originally Posted by
squirtdad
couple of comments
1) make sure you tighten the core, I have found some tubes come from the factory with the core not well tightened.
2) the park valve tool is worth the cost
3) if you use sealant in tubes, get extra cores as they tend to get clogged up
4) I do not understand the comments about not interchangeable, I have never seen this
there are alternative core tightening tools other than park.
it doesnt surprise me that i found the unfortunate design. not sure who the make was. just tossed them out & never looked back.