I just bought the digital temp guage from John. I works so good, that I am getting my
Boxxer 427 Heat Exchanger cleaned out because it proved what I thought was going on (I wasn't getting over 200deg and the truck was saying 230). I needed the clean out anyways, I just did the 1000 hour service, and needed to plan to have the exchanger pulled and cleaned then reinstalled next day. John is a great seller on E-bay, and probably over the phone etc... FAST Shipping!!!