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Camaro V6 LLT Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 03-31-2013, 08:59 AM   #1
Can't_C_Me
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DIY: Seafoam a Camaro LLT V6

Performing the Seafoam process on the 2010-2011 Camaro LLT V6.

I am not responsible for anyones screw ups. As I followed all the Seafoam guidelines and just modified some little things for the LLT owners.

To perform the Seafoam cleaning process you will need the following items.

1. Pliers (for the clamp on the Booster hose)
2. A funnel (for pouring the Seafoam)
3. 2 cans of liquid Seafoam or you can use the STP version which is cheaper (like "CooG" pointed out).
4. 1 can of the Deep Creep Seafoam spray.
5. Flat head screwdriver.





5 & 6 are needed when performing the oil change after driving NO MORE THAN 250 miles with Seafoam (I do mine after 100 miles).

5. 6 quarts of oil
6. 1 oil filter


Ok now to start the process.
-----------------------------------------------------

1. Fuel injector cleaning:

Fill the gas tank up with 91' - 93' octane. Shake up 1 can of the liquid Seafoam and POUR IT ALL into the gas tank. Then drive around just enough to mix up the Seafoam with the gas. You don't have to drive the tank empty right away, just drive it like normal and fill it up when you reach empty. Also do not fill up the tank until it is almost empty.



2. Cleaning your Crankshaft

Before starting this step your engine must be cold. Now grab the 2nd can of Seafoam and shake it up. Pour HALF the can into the engine oil spout. Next drive the car for NO MORE THAN 250 MILES casually. I do my oil change at 50 - 100 miles. When you change the oil it will be extremely black and thick. The oil filter will be in bad shape so make sure you change it also. Also if you have a catch can empty it out as it will collect some of the nasty oil.



3. Top End / IM Cleaning pt. 1

Ok first things first, make sure your can is parked in a well ventilated area. Because the car depending how bad your build up will smoke up the place. Then let the car warm up completely, wait about 5 - 10 minutes (also when the car enters the high idle phase and finishes this isn't proper engine warm up).

Now shut the car off and locate the Booster Hose (pictured below with the gray tape) and grab you pliers along with the screwdriver. (The booster hose is a pressure/vacuum hose so it will be hard to take off) Squeeze off the clamp and begin to pull the hose off. You may need the screwdriver to help get the hose off by wiggle it off (this will be a hard task just don't break nothing).

Once the hose is off grab the funnel and that HALF CAN OF SEAFOAM YOU HAVE LEFT and shake it up (the STP Seafoam version comes with a funnel attached if you look at my picture at the beginning). Plug the funnel into the hose securely. Now start the car up, the car will idle very high between 2k - 3k RPMs because of the disconnected Booster Hose. The funnel will begin to suck in air at this point, now take the half can of Seafoam. Mentally in your head divide that half can of Seafoam into 3 equal parts. Pour the first 3rd in SLOWLY as the suction will suck it in. At this point while your pouring the engine will begin to sputter and choke (but we don't want to stall the engine YET). The engine bay may get smokey during this process so don't panic. Now pour the second 3rd in the same way as the first 3rd. Finally you will take the last 3rd and quickly pour it in the funnel. The idea this last time is to stall the engine and trap the last Seafoam gulp in the cylinders. If the engine doesn't stall with the final gulp QUICKLY shut off the engine. Let the engine sit for 15 - 20 minutes so the Seafoam can soak in good.



Optional 1 3. Top End / IM Cleaning pt. 2

Grab the Seafoam Deep Creep spray can and un-mounting your intake system and opening the Throttle Body blade with you fingers. When opened spray in the Seafoam deep into the IM with a side to side motion. You will want to spray most of the can into the IM. When done reinstall your intake and tighten everything back up. All this is done with the engine off and the cylinders still soaking from the Booster Hose Seafoam.



4. The Start Up and Smoke Show

Now that the car has sat for 15 - 20 minutes and you have sprayed the IM down it's time to start the engine. It may take a few attempts to start the engine but this is normal. (Remember that we flooded the engine earlier with the liquid Seafoam) Once started press on the gas to get the RPM's up to 1500 (do not high rev the engine). If the car doesn't smoke or doesn't smoke to badly it's because it wasn't that dirty.

Now let the car idle for 10 - 15 minutes. After that is the fun part , take the car out for a spin. You will want to drive the car like you stole it, high RPM sprints on the road are needed. So choose a road that isn't to crowded as you will be smoking up the street. The car will be smoking badly at this point if engine is very dirty.


Optional 2 3. Top End / IM Cleaning pt. 2

This is for those that don't want to take apart their intake systems. After finishing the Booster Hose portion and starting the car back up. While the car is idling for those 10 - 15 minutes grab the Seafoam Deep Creep. Disconnect the plastic line leading into the throttle body. When you do this the car will idle funny again as of a result of the disconnected line. Stick the spray tube in the nosel and spray most of the can in there. It will idle high then low as you spray so don't freak out. Then go back and do step 4 above.

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Old 03-31-2013, 09:00 AM   #2
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Old 03-31-2013, 09:15 AM   #3
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They should sticky this ! Great writeup, I actually did this correctly last week
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Old 03-31-2013, 09:16 AM   #4
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thanks
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Old 03-31-2013, 09:53 AM   #5
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After I did mine I got some obd codes. I just cleared them with my torque app.
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Old 03-31-2013, 10:16 AM   #6
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thanks

Your welcome!




Quote:
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After I did mine I got some obd codes. I just cleared them with my torque app.
This is normal since your altering the operation of the engine.

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Old 03-31-2013, 10:29 AM   #7
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Awesome! Thank you!

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Old 03-31-2013, 10:39 AM   #8
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Old 03-31-2013, 10:59 AM   #9
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Old 03-31-2013, 11:14 AM   #10
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hahaha

Thanks for the write up. I'll give this a whirl sometime. I thought people have said to make sure you don't flood the engine.

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Old 03-31-2013, 11:48 AM   #11
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hahaha

Thanks for the write up. I'll give this a whirl sometime. I thought people have said to make sure you don't flood the engine.

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Seafoam is made from petroleum so its safe to choke out the engine with it. Just like flooding a old school with gas by pumping the gas pedal to much. Only difference is that this isn't done unless we Seafoam since this is a DI engine.

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Old 03-31-2013, 11:48 AM   #12
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THANK GOD YOU WERE SOBER THIS TIME!!
Shut up lol.

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Old 04-01-2013, 04:32 PM   #13
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Quick question, do I do step 1 & 2 then drive for 100-200 miles. Then do steps 3 & 4 and take the car for a drive then change oil right away?
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Old 04-01-2013, 04:38 PM   #14
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What gets cleaned during this process, why is this done?
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Old 04-01-2013, 04:47 PM   #15
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What gets cleaned during this process, why is this done?
Cleans out the engine & intake manifold, basically anywhere where gas goes in the engine. Carbon can build up in the engine over time. A lot of build up will hurt performance, kinda like clogging up an artery. The Seafoam helps to break all that crap up.

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Old 04-01-2013, 04:55 PM   #16
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Cleans out the engine & intake manifold, basically anywhere where gas goes in the engine. Carbon can build up in the engine over time. A lot of build up will hurt performance, kinda like clogging up an artery. The Seafoam helps to break all that crap up.

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Actually the point of seafoam is that it goes where gas doesn't. Gas doesn't touch the back of the intake valves but seafoam does. That's where the issue comes from.
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Old 04-01-2013, 04:59 PM   #17
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Quick question, do I do step 1 & 2 then drive for 100-200 miles. Then do steps 3 & 4 and take the car for a drive then change oil right away?
No you can do steps 3 and 4 right away, BUT you can also wait until your ready to do the oil change before doing steps 3 and 4. The most important part of this whole precess is to change the oil regardless at no later than after driven 250 miles. I do it earlier than this like I posted, as the oil filter is useless after this.
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What gets cleaned during this process, why is this done?
Yeah what C586 said. Damn Chris you should know better lol.

Also a good idea to purchase a catch can so it can prevent this after the cleaning if one isn't already installed. I spray my IM every oil change with just 3 small sprays.

But this is what your trying to clean up and prevent.
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Old 04-01-2013, 05:11 PM   #18
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That is some scary looking stuff!!

Thank-you for the great "how to..."!

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Old 04-01-2013, 05:21 PM   #19
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That is some scary looking stuff!!

Thank-you for the great "how to..."!



Writing this drove me ...didn't want to miss nothing and give option of ease. A video will be done soon to accompany this, that's why I reserved to first post.
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Old 04-01-2013, 05:57 PM   #20
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Good write-up, but I thought you were supposed to pass it through the throttle body with the engine on and idling at ~1500 RPM?
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Old 04-01-2013, 06:08 PM   #21
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Good write-up, but I thought you were supposed to pass it through the throttle body with the engine on and idling at ~1500 RPM?
You can put it in anywhere you like as long as it passes over the intake valves.
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Old 04-01-2013, 06:13 PM   #22
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Good write-up, but I thought you were supposed to pass it through the throttle body with the engine on and idling at ~1500 RPM?
It's not necessary to have the engine idling to do this some just do as this is the only way that they know how to. It can also be done with the engine on. I've done it both ways. You actually get better distribution with the engine off as the as pressure won't just suck it up through the first 2 or 4 inlets.

"C586" is right on also. You can even spray it in through the PCV elbow if you like also. The orignal Seafoam guidelines have been around for awhile. And don't think they have been revised to reflect these new engines as their are so many now. Basically if you can find the booster hose or any vacuum inlet your golden.
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Old 04-01-2013, 06:21 PM   #23
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FANTASTIC write-up. Thanks for putting this together.
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Old 04-01-2013, 08:00 PM   #24
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Thank you sir...I'll be using this towards the end of the month!
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Old 04-02-2013, 08:16 AM   #25
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Everyone is welcome'd I do what I can. Video will be done soon for better clarification on things. Just have the find a good camera person thats not my son lmao!
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