Possible Engine Build for my 93 Truck

[dbrannon79]

Well folks, I figured I had better start a new thread for the engine I just picked up, as it's looking, it might be a good one to go in as a replacement in my 93. it has an old severely worn out 6.5 that I can't trust to go out too far from town. I will be adding the info here to keep it all in one place as well as for me to go back and look at what things I find on this engine as it gets torn down and "maybe" goes back together!

 

[dbrannon79]

It all started here in this post and went from there up until post #6432 to post #6492 in the link below

Post in thread 'What did you do with your GMT400 today...or yesterday....'

Thursday at 7:21 AM

Ran across this marketplace post with a 6.2 for sale locally for $250. Supposedly the vehicle caught fire in the cab and has sat for 10+ years since. What do yall think? Would this possibly be a good investment to get an engine for my 93?

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[Paveltolz]

RE: Sludge.
BLUF: Heads and rockers are fine and yes, a valve job is in your future but, not because of the sludge.

A few years ago I wasn’t running my engine for more than a few minutes every couple of months (chasing what turned out to be valve issues). I happened to remove the CDR assy and noted that the breather tube was almost plugged with black sludge the consistency of thick pancake batter or loose pudding. Cleaned up easy enough but, alarming. Was informed if the motor isn’t run often and then for only short periods of time like I had to do, temperatures don’t get up where they need to be to drive out moisture that accumulates during those non-running times and the oil sludges upstairs. On inspection of my engine, during tear down, the heads and rockers etc. were still good and could have been reused after an extensive valve job etc. but, long story short, P-400 heads were 10’ away and….

 

[Paveltolz]

PS. If you ask nicely, PM the moderators to see if the will pull the relevant posts from “What did you do….” over here. Let them no the post numbers to include the replies to be helpful. At least, they’ve done it for me in the past. Would help to make this thread more complete with all the background posts everyone’s provided already and people like me won’t be tempted to inadvertently keep things going on the other thread.

Can’t hurt to ask.