I hear to put it in the intake, brake booster line, gas tank, etc. or not to put it at all because it will ruin your sensors, gasket, or engine. I DONT KNOW ANYMORE!

1. Where do I put it to clean out the catalytic converter and pass smog? How much do I pour?
2. How long after I pour it can I go to Smog for the test? (My tags expire in August)
3. Can seafoam damage my car in anyway?
4. Should I do an oil change before smog? I am nearing 5,000 miles since my last change.
5. Is there anything you recommend changing prior to smog?

Any additional information will help. My 1994 Del Sol (not VTEC) has 189,000 miles. The last smog test 2 years ago BARELY passed. People with the same experience and 94 del sol preferred.

 

Try giving it a full tune up and change your oil before the smog. I believe seafoam ruins gaskets, and other things... I definitely wouldnt run it on a high mileage motor. Or my motor


Read about it, look up some videos on it. The smoke upon starting the motor known as "breaking off the carbons" has been debunked as just the smoke that is provided by the chemicals/solvent in the product.

 

yeah, the only thing seafoam is good for is stabilizing gasoline for storage. i put a shot in each of my motorcycles to keep the gas from going bad. i would never put it into my oil or burn a **** ton of it off through the fuel system. like white_eg1 said, change oil, change spark plugs, drive for 30 mins on the freeway at top speed to get the engine super hot before smog.

 

Still not sure that this was a serious question.

 

I'm asking because as I research this, I see many different answers on how to use it. I'm confused so I don't know.

 

go to town bud:

https://www.youtube.com/results?search_query=seafoam

 

I don't think seafood is a guarantee, but hey that is all op is concerned about.

 

Seafood is never a guarantee. Case in point "krab"

 

I used to swear by the "Seafoam carbon cleanout" but after using it on my 1999 Civic DX, it made my catalytic convertor go bad. That's too expensive a part to risk for the touted benefits for me. I used to put 1/3 in the tank, 1/3 in the crankcase, and 1/3 slowly fed into the brake booster line going into the manifold, drive it hard for 10 minutes and then change the oil. But the last time I did that, my check engine light popped up with a p0420 code and my cat was toast, I think it might have been soaked with the seafoam and burned up. Now if I do it (which I usually don't) I'll just put half in the gas tank and half in the crankcase as an engine cleaner before changing the oil.

 

try crc "guaranteed to pass"

 

Amazing engine fixes purchased in a can or bottle may eventually replace competent mechanics.

 

This actually works. It's not a long term fix by any means. It's a short term, slow the burning of oil down trick just to pass emissions. It doesn't fix anything in the engine what so ever and does not claim to be a mechanic in a can.

This coats the cylinder walls with a chemical that inhibits the oil on the walls from burning as much which is how it reduces your emissions for a short period of time.

Another temporary "fix" is "Engine Restore". It uses very soft metals like lead to help temporarily fill in the gaps on the cylinder walls to increase the piston ring seals. The soft metals don't last long so you essentially have to use this every oil change. It also doesn't stop the wear so after awhile it has no effect at all.

These two items can help you get past emissions for awhile, but really.... You need to update the motor as it's old and tired and your emissions is telling you just that.

 

[[i]QUOTE=TomCat39;51002980]This actually works. It's not a long term fix by any means. It's a short term, slow the burning of oil down trick just to pass emissions. It doesn't fix anything in the engine what so ever and does not claim to be a mechanic in a can.

This coats the cylinder walls with a chemical that inhibits the oil on the walls from burning as much which is how it reduces your emissions for a short period of time.

put the CRC in the gas tank, not the oil.

don't know what he is talking about, coating the cylinder walls.

or try redline fuel injecter cleaner, but it is harder to find.
seafoam is overrated.

 

Here ya go. On Amazon, it's advertized as a motor tune up.

 

Are you speaking about "cleaning" your engine from the inside with Seaform so you can pass Smog?
If it's like that you might as well use Water and steam your engine clean, no chemicals...no worry about gaskets.........
The steps are easy, but you HAVE TO have PATIENCE...or you'll hydro-lock your engine.

I did it ONCE...everything went fine.
Will never do it again..because it was so SLOOOOOOW pouring the water in.

 

I didn't say put it in the oil. Guess where fuel sprays to..... The cylinder walls. And then guess what guaranteed to pass does.... It slows the oil burning process of high emission cars (usually gross polluters from excess oil staying on the walls).

So you use the product but don't actually learn how it works?

Hey Ron, was talking about Guaranteed to Pass not Seafoam. I am not a fan of seafoam like many are. Was elaborating on other products that I know will get you past emissions usually if you are struggling and then also explaining it's a temp fix and not to take place of engine replacement/rebuild.

 

So you use the product but don't actually learn how it works?


show me an article or advertisement that says the above.

 

Interestingly enough, doesn't look like the websites put what was on the box.

I read the box when a buddy of mine used it and was like huh, that's interesting.

The websites just say it's a fuel injection cleaner essentially which is not the detailed explanation they had the product itself a few years ago.

It also says not for sale in USA. So for USA fuel injection cleaner, there is Berryman's Chemtool B12 that will likely be the same effect as Guaranteed to pass injection cleaner.

 

Google it, its a known product. Whats the point of starting some silly *** post war. Seafoam can possibly cause harm to the engine as well. Some had good luck with it, some didn't. Some even showed what it does, you just need to do your own research.

 

Actually, it could be relevant. As Ron has pointed out, can't believe marketing.

What I read may or may not be accurate and could have just been marketing jargon with no factual science behind it. It sounded interesting so stuck with me, but could also be fabricated. Notice it's not present in current day marketing of the product.

That's why I acknowledged the point by changing what it is claimed to be and provided additional information of a substitute or equivalent found in the USA if OP is State side instead of Canada side.