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  1. Bulletproofing the VQ40DE?

    Powertrain & Driveline
    Hey everyone, So the engine in my Xterra has 230k miles on it - I've got leaking valve covers, low oil pressure from a galley gasket, and a clicking noise that I think it related to my valve lashing. I have a spare VQ40 in the shop with 85k miles on it. It will be faster for me to just swap...