Finding Out WHY This NASTY 12 Valve Cummins has BLOWBY!

Today we have an old 5.9L 12 valve Cummins that was shipped to us for rebuild. We love these engines and this was a nice surprise to see this piece of nostalgia in the shop. The customer told us he had a ton of blowby and we want to tear into this thing and find out why. Hangout with my son Miles and I as we rip this filthy pig open! Go Subscribe To Our NEW PODCAST! https://www.youtube.com/@UCMxxFkP9quRBnrwSCcK5jJg Shop DAVE'S T-Shirts: https://shop.davesautorepairutah.com/collections/t-shirts Buy your Used Car Inspection Guide! (40 Minute Video and 24 Page Manual) https://guide.davesautorepairutah.com Follow us on all social platforms: https://www.instagram.com/davesautocenter https://www.facebook.com/davesautocenter https://www.tiktok.com/@davesautocenter For Business Inquiries Contact: [email protected] https://www.davesautorepairutah.com