Ok, I am normally a 240 person and I was TRYING to do the trick where you run water in through the intake via a vaccum hose and it cleans out carbon from inside the engine.

So I try this on an 850 whiteblock, I use the vaccum port on the right of the intake manifold where there are two ports, I use the top one. I start the engine and it sucks the entire jar of water in in about 2 seconds, klunks, and dies.

The engine will not even turn over now, does anyone have any idea how much damage I have done and what it will take to fix it?

This trick always worked perfect on redblocks, I don't know if it just doesn't work on whiteblocks or I really pickes the wrong vaccum port.

I'm guessing it's probably not locked up especially if the engine was not under any kind of load "forcing" the engine to turn over, as you would if you were treading water and the inertia of the car force the crank around. I have hydrolocked a ford modular engine once, while reving the engine in neutral... the engine had sycked water in during a car wash...I pulled the spark plugs, cranked and all the water came shooting out...next, drained the oil and refill. You will need new plugs at the very least.


By the way, you're not supposed to run the engine without you holding the vacuum hose, so that the engine just SIPS the water, not chugs it.


Good luck.


Juan

I fear you have just bought yourself a new engine. Take out the sparkplugs and see if the engine will turn over. If you are very very very lucky (but not likely) the water will gush out of the sparkplug hole and after you suck out the remaining fluid and reinstall the plugs all will be almost OK.

The chances are that you have a bent connecting rod and/or other terminal internal engine damage.

Sorry if I have ruined your weekend.