listed in order of reliability not the cheapest,, the best with modern cleaning equipment,injectors are very long lived cleaning is worth while.. these companies will give you honest appraisal from thier test,do not save pennies here..
1 Cruzin performance mid west
2 Witch hunters west coast I think
3 R C engineering peoples republic of california
If any one has a bad report on these companies I would like to hear about it.. you can find these companies on the internet
[This message has been edited by uhlanstan (edited 04-03-2008).]