amalay

Awesome, so much carbon Happy RX8!

thomthoms3

iTrader: (1)

I just did this to my 8. It smoked so much I couldn't see anything but white in my windows. My neighbors have a tendency to call the police on anything. Next thing I know they've called the fire department. Smells horrible and I'm now getting a CEL. Any ideas as to why?

auzoom

Get the cel code and ut would help a lot.

having said that, i haven't read the full instructions in this thread but i hope people are dropping their cat before doing this.

2004mazdaATL

real quick question, after the seafoam sit for about an 1 hours, it said reconnect everything, then it said 2-stoke oil, wouldnt a cel come on and notice your pour something in? especially since you would have the car running also?

ShellDude

iTrader: (12)

you could get a CEL for any number of reasons after seafoaming. You would need to read the actual code to determine root cause. Most times it's a lean or rich condition thrown by the O2 sensor.... some times its the ESS complaining because it was disconnected.

The 2 stroke procedure is to provide sufficient lube on first crank post seafoaming. The shop manual calls for cranking up the OMP flow rate and I believe this was one person's means of doing the same without having access to the OE OMP table.

viprez586

iTrader: (5)

Yup! CEL is normal during this due to the instability of burning all the seafoam and 2 stroke.

Shell sumed it up!

KINGShon

Does anyone have a pic of where the nipples are located on the 2007 rx8? Im assuming they're in a different spot than the 04-05

magicstick

iTrader: (1)

is this a must do? I don't see it in my owners booklets. (is this same to a engine flush in a piston engine?)

nuke0907

iTrader: (2)

This came out in a TSB so it is not required however it is recommended. Search for the TSB thread and it should be there.

nycgps

iTrader: (1)

Do it as ur last hope,

Majik

Just curious on something here... I recently cleaned my engine with the zoon cleaner, and everything went well... However, on the TSB in post #13 it mentions reconnecting the secondary air injection plug AFTER you run it.. I put everything back during the "sit & wait" phase, and then just fired her up...

For future reference, should I be leaving that plug OFF during the first startup as it mentions in the TSB post? Or does it really matter?

CarAndDriver

So Paul at Rotorsport in Santa Clara mentioned leaving Mazda Zoom Power Cleaner in overnight. Is that going to be useless? Sorry I didn't read the whole thread.

9krpmrx8

iTrader: (46)

It would just evaporate, totally pointless.

RIWWP

iTrader: (2)

And not do anything before it evaporated. Take a dirty spark plug and soak it in seafoam for 24hrs, then see how much carbon has actually been removed. Pretty much nothing. You will get a fim of faint carbon on the surface of the liquid and a bit on the bottom of the container, but there will still be most of the carbon on the plugs, and what is on there won't be any easier to remove.

Decarb chemicals works best when it is applied under pressure or a dramatic temperature difference (such as really cold coming from an aerosol can, or really hot if it is atomized and compressed). And when you are heating it up through compression, distilled water works just as well as seafoam, but costs 100 times less.


https://www.rx8club.com/series-i-tec...r-pics-241867/

9krpmrx8

iTrader: (46)

This is why I don't let anyone work on my car, any idiot can call himself a mechanic these days.

madsenj37

Thanks. This was helpful.

I used it as a hail mary for bad compression, along with Automatic Transmission fluid trick (first). It smoked away and worked as described. However, it did not work as a hail mary, meaning I have bad apex seals, but I knew I was working on bad engine.

shydevil

i have a hard time n cannot remove my eccentric shaft Position sensor even i clean it up but still stuck in hard. can i just remove my fuel pump relay instand of remove SSPS?


Posted from Rx8club.com App for Android

shydevil

can i load my Antithief map from my cobb instead of unpugg my ESP Senser? cause the connector i still cannot remove it out!


Posted from Rx8club.com App for Android

nycgps

iTrader: (1)

the point of removing ESS sensor plug is it kills fuel AND spark.

Dillion Phelps

on seafoam? its like $8

RIWWP

iTrader: (2)

He posted that 6 years ago....

Dillion Phelps

my bad wasn't paying attention.

DarkMyth

Hey NY what is more affective, doing the seafoam thing through the nipples after driving it and warming it up and letting it sit for 2 hours or would it be better to put it in the spark plug holes and let it sit after cranking it a few times over night?

RIWWP

iTrader: (2)

Letting seafoam sit inside the engine doesn't do anything, regardless of hot or cold. I tested several decarb methods and borescoped the rotors to take pictures of carbon removal, and letting seafoam sit in the engine is the only one that has zero change before vs after. You can even see this yourself by pulling your plugs and letting them soak in seafoam for a few hours. There will be a faint residue of carbon floating on the surface, but noticeable carbon removal from the plugs. Seafoam needs to be very hot or pressurized in order to produce any results.

In order to get any benefit from the seafoam, you have to have it ingested while the engine is running, which heats up the seafoam as it ignites in the combustion. BUT, if you ingest it when the engine is running, then you might as well use distilled water. Distilled water flashes to steam and steam cleans just as effectively as seafoam does when ingested, while costing 80 times less per oz.

See my thread for details: https://www.rx8club.com/series-i-tec...r-pics-241867/

DarkMyth

I will try the distilled water soon. But I am having a problem with my engine not sucking up the liquid. Last time I seafoamed my car I put the seafoam in a bowl and let it suck up the liquid while a friend cranked the engine. This time it did not want to suck up anything so I resorted to using a spray bottle to get the seafoam in there. Any ideas on why my engine wouldn't take in the seafoam?

Also for the distilled water how much should I use? I'm guessing it is going to be more than a few ounces.