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Checked coolant level tonight and there was no coolant. Checked engine oil and it was brown and level was about 6-8 inches above full line on dip stick. Blown head gasket or cracked head? Either way I'll have to replace engine.

What do you guys think of this? One: Replacing engine in my Blazer or.... Two: Replacing 350 tbi with 6.2 Diesel in my 1990 Suburban? The blazer is stock and the suburban is lifted 4 inches and has a winch bumper. I may be getting a complete part diesel suburban soon, that I can transfer...

Well the ticking went away, but the engine seized. I was driving on I-5 and I felt a huge pwer drop and clouds of white smoke behind me and I kept driving about 1/2 mile and made it to an exit and the motor quit. Tried to turn over but starter won't turn engine over.

****, that wasn't it. Still ticking, i'm thinking its a bend rod. Still runs good, with a rough idle. Well i'm just going to drive it until it blows and in the mean time i'll prep my 6.5 engine.

I might have found the problem, I found a crack in the bottom of my intake where the egr port is.

Well guys, I removed the valve cover on the passenger side ( where the noise is coming from) and found nothing? No bent push rods, no broken springs. Any thing else I should check before I close it back up.

Not too high, not sure without tach. These have rev limiters? Stethoscope sounds like a good idea.

I was reving my 6.2 diesel to observe smoke from exhaust and the motor stumbled when i let the throttle go and now I have what sounds like a light lifter tap at idle and when I rev it. No change in drivability.