SeaFoam b-4 oil Change?

[Stormtrooper1]

There are no directions with water and many people have hyrolocked a motor while trying to clean the combustion chambers with water.

Somewhere on the internet is a forum post about a guy who had a mustang and wanted to clean the engine.
He drained the oil. and left the plug removed. then stuck a garden hose in the filler, and started the car. and revved it (I think)

Needless to say he hydrolocked.

[gilhuly]

I read that entire seafoam thread and it was interesting. I use seafoam. I think it is a pretty decent diagnostic tool. If you get a ton of smoke - you had a lot of carbon and should wonder why. If not so much, like I usually see then things in the carbon dept are OK. I noticed an awful lot of examples of people with high mileage engines that probably already had lifter tick not from bad lifters, but from oil starvation from bad sump o-rings. Letting the seafoam soak in a motor that already had oil pressure issues could push that rod bearing over the edge I suppose on a borderline hydrolock. Volvo rod bearings don't have any contour on them (unlike domestics)to hold them in place - they are pretty much crushed into a set of female dimples on the rod and the cap so they aren't theoretically that tough to spin although you don't see that much of it in practice.

People with ticking lifters should do their sump o-rings immediately. This is a terrible condition for a motor. If you end up with tick still from a collapsed lifter, fine, but at least your engine is getting its life blood.

I believe there is a high correlation between lazy dumb s--ts who don't maintain their cars and expect them to perform flawlessly between 100-200k miles without paying attention to lifter tick or PCV issues and people who want to address all their issues with something in a can.

It was an informative thread and I will be more likely to use the brake booster as my point of entry. I've never let it stall the engine and never thought it was a good idea for reasons that seem pretty obvious to me regardlerss of what is written on the can.

"That's all I have to say about that.", Forest Gump

[theVOLVO]

wtf does puffin tree have to do with this? if your engine isnt complete fried ive allways used sea foam, hasnt hurt anything on the dozens of cars ive used it on, but one time we clogged up a catalytic converter with all the gunk that came out the engine after sea foaming an intake, any who good luck, dont listen to the guy who blazed 3 times in his life. he has no experience with either,

[tjts1]

wtf does puffin tree have to do with this? if your engine isnt complete fried ive allways used sea foam, hasnt hurt anything on the dozens of cars ive used it on, but one time we clogged up a catalytic converter with all the gunk that came out the engine after sea foaming an intake, any who good luck, dont listen to the guy who blazed 3 times in his life. he has no experience with either,

So how much did that one clogged cat cost you?

[jblackburn]

Somewhere on the internet is a forum post about a guy who had a mustang and wanted to clean the engine.
He drained the oil. and left the plug removed. then stuck a garden hose in the filler, and started the car. and revved it (I think)

Needless to say he hydrolocked.

He deserves it for being an idiot. Wow.

[theVOLVO]

didnt replace the cat, no emmisson's test in mn, and it runs alot better without all the build up.

[Roadrunner]

I say use one quart of diesel fuel to clean out your motor. My dad a mechanic of 30 rys said it was safe and did not cause problems with the removel of all carbon build up. This total removal could then cause your motor to leak or have low preassure.
If you know your motor history well, then no problems. But if not then just clean it but not totaly clean it or a rebuild will be in your future.