86 Chevy K20 w/ Bad Headgasket or Piston

Had the truck start pushing oil out of all the seals out of nowhere. Looks like I may have blown a HG.....

[@TheAscendedMaster]

Blow by on a 6.2 & 6.5 is normal and expected. Now in order to control it from pushing oil out the seals you must have the CDR Valve properly hooked up and functioning. If it is bad or improperly installed or if your venting to atmosphere then yes you'll have excess pressure in the oil system which will find other routes other than the CDR to escape. Don't vent to atmosphere and properly hook up the CDR and you will eliminate your oil leaks.

[@Roadhog0]

Ancient video, I knew what was wrong with the truck. Yes crankcase pressure is typical on a 6.2/5, but not at the pulsing rate this engine was doing in the video and almost blowing the oil cap off. Piston was split in half. That engine isn't even in the truck anymore.

[@ImTheClay]

Bummer Roadhog. That looks and sounds like a bad piston to me. Its sure pushing a bunch of oil out of the engine now. I'm sure you'll get it whipped back into shape. Matt

[@Roadhog0]

ImTheClay Yah, it's unfortunate, but I'll get it fixed! Again....

[@geipelstoys9923]

id say both. time to pull it out and tear it down.

[@Roadhog0]

tyler geipel It's in the midst of it right now. Heads come off tomorrow I hope!

[@truckinstars1336]

Hey so I noticed yours sounds so much deeper and doesn't have a sound like mine does, if you watch a video on mine and have your speakers turned up a lot it will actually hurt your ears, only on mine. Driving me nuts.

[@Roadhog0]

+Detroit Diesel CraftsmanFan You don't have a turbo, so it will sound different. Put some good mufflers on it and that will help too. My 85 with glass packs was very "clappy."

[@truckinstars1336]

+Roadhog0 I mean the engine, if you try and go under the truck the engine raddle hurts the ears. Even if you open the hood it hurts the ears, did you watch the 86 one? Not the k10 you gotta watch the k20

[@truckinstars1336]

+Roadhog0 ok thanks man, gotta start making more vids! I love your truck

[@MJ19949]

How to put 6.5 turbo to 6.2 diesel engine

[@CopperheadWelding]

did u figure out what the problem was