Reviewed By Keith M (San Jose, CA) Reviewed for a 1997 GMC Sonoma —4/26/2011 8:36 AM
The Hypertech thermostat did exactly what I wanted it to do, cool down my vortech engine. What more could I ask for?
Reviewed By Jack K (Richland, MI) Reviewed for a 2000 Dodge Ram —11/27/2015 5:45 PM
I have 2 other Dodge Rams with Cummins Diesels. Both of them increased mileage by at least miles per gallon and throttle response was better. I am very happy with these results so I ordered another one for this Ram.