Hemmings Muscle Machines

ASK RAY

REENGINEERING A CHEVY

Q: First off thank you for all the mechanical knowledge you share with the readers. I recently purchased a Chevy Silverado 1500 ZR2 with the 6.2-liter direct-injected motor. My question is, what are your thoughts on adding an oil separator in the PCV system? If you were to do so, is there a brand you might recommend? Thank you in advance for your response.

David D.
Via email

A: I will need to apply a caveat or two to my response, so please stick with me. Regardless of the make of vehicle or engine, much to the chagrin of those who want to chastise the car companies, these products are tested to a level most of us

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