Diesel Blow-By Field Testing on EIGHT Trucks!
Dave's Auto Center Dave's Auto Center
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 Published On Oct 21, 2024

In this episode, we put 8 different vehicles to the test as we measure blow-by back to back! With the help of J Tech's specialized tool, we tested the pressure flow in each engine and dived deep into understanding the results. Then, we come up with a solution to correct the pressure offset using a crankcase filter.

Follow along for a detailed breakdown of our testing process, what blow-by means for your engine, and how the crankcase filter can make a big difference!

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