Walt, Just a note to tell you that after a day of ATV riding in the west deseret of Utah, I was still afraid that my 93 GMC K3500 6.5TD would still run too hot, howerver that wasnt the case. In over 100 degree temps pulling a 20 foot inclosed car hauler...
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From: Mark W.

Thank you so much for the explanation, Your vast automotive knowledge in general but specifically in 6.5 TD's is the reason why I keep coming back to your website and purchase your products instead of the competition. I am so grateful for your help and...
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From: Clyden B.