After reading the posts here I ordered the Hyper-Tech to use on my Powerstroke 7.3l engine. Wow,what a difference! The biggest problem I've had is trying to tow a trailer with two large Jeeps on it up over the Eisenhower Pass and also the Vail Pass on I-70 west of Denver when the outside air is over 90 degrees. This should really help. Thanks for the advice!
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