You've been doing it wrong. Seafoam injection port
#1
Registered User
Thread Starter
Join Date: Sep 2006
Location: Kansas City, KS
Posts: 67
Likes: 0
Received 0 Likes
on
0 Posts
You've been doing it wrong. Seafoam injection port
So, i'd like to clarify, the improper way to run Seafoam through the car's intake system is to use a vacuum line that only feeds one cylinder. If you used the brake booster vacuum line, you've only been feeding a single cylinder.
In this picture below, you can see the brake booster vacuum line directly feeds a single runner (either Cyl 3 or 4). This means your Seafoam is not at all distributed to any other cylinder.
In this picture below, you can see the PCV vacuum port feeds the plenum before it divides into the 6 runners. While you'll never get perfectly even distribution, hopefully some of your Seafoam gets to each runner.
In this picture below, you can see the brake booster vacuum line directly feeds a single runner (either Cyl 3 or 4). This means your Seafoam is not at all distributed to any other cylinder.
In this picture below, you can see the PCV vacuum port feeds the plenum before it divides into the 6 runners. While you'll never get perfectly even distribution, hopefully some of your Seafoam gets to each runner.
#3
Good point. On newer vehicles with an electric PSV (evap Purge Control Solenoid), use that hose - it should be sited from the factory for optimal distribution of evaporative emissions (fuel vapors). In general, try to get as close behind the throttle body as possible.
#4
Registered User
Join Date: Feb 2010
Location: N. Lake Tahoe/Chico CA
Posts: 1,934
Received 0 Likes
on
0 Posts
wow i had quite a few people tell me not to run through the pcv and through the brake booster. i did get way more smoke through the brake booster thats for sure
edit: im an idiot. didnt see the forum this was in
edit: im an idiot. didnt see the forum this was in
Last edited by 87hillbillyoter; 02-19-2011 at 06:51 PM.
#5
Contributing Member
Hehe no offense....!!! But... ??
I think its been pretty clear that the 3.4l seafoam treatment is through the PCV hose for at least the last 7 years I have been a member here!
I think its been pretty clear that the 3.4l seafoam treatment is through the PCV hose for at least the last 7 years I have been a member here!
#6
Registered User
Thread Starter
Join Date: Sep 2006
Location: Kansas City, KS
Posts: 67
Likes: 0
Received 0 Likes
on
0 Posts
https://www.yotatech.com/forums/f2/s...65/#post637781
https://www.yotatech.com/forums/f2/s.../#post50598716
https://www.yotatech.com/forums/f2/s.../#post50736894
https://www.yotatech.com/forums/f2/s.../#post50736894
https://www.yotatech.com/forums/f2/s.../#post50736894
#7
Contributing Member
I hope that's the case for everyone. These posts lead me to believe otherwise:
https://www.yotatech.com/forums/f2/s...65/#post637781
https://www.yotatech.com/forums/f2/s.../#post50598716
https://www.yotatech.com/forums/f2/s.../#post50736894
https://www.yotatech.com/forums/f2/s.../#post50736894
https://www.yotatech.com/forums/f2/s.../#post50736894
https://www.yotatech.com/forums/f2/s...65/#post637781
https://www.yotatech.com/forums/f2/s.../#post50598716
https://www.yotatech.com/forums/f2/s.../#post50736894
https://www.yotatech.com/forums/f2/s.../#post50736894
https://www.yotatech.com/forums/f2/s.../#post50736894
Trending Topics
#9
Contributing Member
Wow! I can't believe it. Always seemed obvious to me. Doesn't the can say to put it in the PCV hose?
Anyways, interesting. Glad you posted this. I am sure its going to help a lot of people.
Anyways, interesting. Glad you posted this. I am sure its going to help a lot of people.
#10
Registered User
Join Date: Nov 2005
Location: SouthWest Littleton, Colorado
Posts: 1,205
Likes: 0
Received 1 Like
on
1 Post
Good post.
Let me ask a question. Adding it to the gas can help clean injectors and the complete gas system. And sucking it into the engine is a much higher volume of seafoam and tends to clean the valves and cylinders better. Remember that sucking it in won't clean the injectors.
I guess that wasn't really a question but more of a statement.
Let me ask a question. Adding it to the gas can help clean injectors and the complete gas system. And sucking it into the engine is a much higher volume of seafoam and tends to clean the valves and cylinders better. Remember that sucking it in won't clean the injectors.
I guess that wasn't really a question but more of a statement.
Last edited by Gerdo; 02-20-2011 at 05:33 PM.
#13
Registered User
Join Date: Nov 2005
Location: SouthWest Littleton, Colorado
Posts: 1,205
Likes: 0
Received 1 Like
on
1 Post
When it's used in the gas it's mission is to clean the fuel system including the injectors.
When used by sucking it into the engine by a vacuum line it's mission is to breakdown and remove the carbon buildup. The high concentration of seafoam and the carbon being burned cause the smoke.
#15
Contributing Member
Join Date: Mar 2006
Location: Little Rock, Ar
Posts: 1,288
Likes: 0
Received 0 Likes
on
0 Posts
#16
Registered User
Join Date: Apr 2008
Location: Oldsmar, Fl
Posts: 32
Likes: 0
Received 0 Likes
on
0 Posts
Ok so it is true that it doesn't actually work and the white smoke is the just the seafoam itself buring? I've never seen carbon burn white. Just curious what kind of difference or affect you guys have seen doing this?
#17
Contributing Member
iTrader: (1)
I personally did a service on a car with about 140,000 miles on it and one part of the service is the sea foam clean through the intake while I was waiting on an upsell headgasket job on the same car, afterwards they called and said do the headgaskets and when I took the heads off, those combustion chambers were nice and carbon free, I swear by it since then.
#19
Registered User
#20
Contributing Member
iTrader: (1)
Usually a Subaru with over 100,000 miles I spend about an hour scraping and cleaning carbon from both heads. This car just about 10-15 min. No I do not have a before and after comparison on the chambers of the same car, but a car that came in 20,000 miles overdue for spark plugs and 5000 miles over on his oil change, he obviously didnt take care of it, and from the thousands of headgasket jobs I have done, this was the cleanest next to the 1700 mile mishap from another dealership.