valves looking bad i think

[rozay]

just went to Autozone and picked up Seafoam spray going to do this next weekend because ill be alot closer to my due date to replace my engine oil

[rtcat600man]

Originally Posted by Gee

Wow. Big difference. But maybe since hes an LFX motor and all the valves are closer together?

Interesting as I was not aware that the LFX valves were any closer.

Originally Posted by rozay

just went to Autozone and picked up Seafoam spray going to do this next weekend because ill be alot closer to my due date to replace my engine oil

There is a good thread on the forum that discuss the use of seafoam.

[rtcat600man]

Some information I found on-line, not sure about closer spacing, but larger valves for sure.

Integrated Cylinder Heads/Exhaust Manifolds: the LFX’s new cylinder head design has a revised intake port design that enhances airflow to the combustion chambers. Larger-diameter intake valves are used in the heads and work in conjunction with new, longer-duration intake camshafts to provide the engine’s boost in horsepower. By using larger valves and holding them open longer, more of the air is pulled into the combustion chamber, for a more powerful combustion. The exhaust manifold is incorporated with the cylinder head, which saves weight, reduces complexity and helps promote a quicker light off of the catalytic converter, which further helps reduce emissions.

Direct Injection: direct injection moves the point where fuel feeds into an engine closer to the point where it ignites, enabling greater combustion efficiency. It fosters a more complete burn of the fuel in the air-fuel mixture, and it operates at a lower temperature than conventional port injection. That allows the mixture to be leaner (less fuel and more air), so less fuel is required to produce the equivalent horsepower of a conventional, port injection fuel system. Direct injection also delivers reduced emissions, particularly cold-start emissions, which are cut by about 25 percent.

[Gee]

Originally Posted by rtcat600man

Some information I found on-line, not sure about closer spacing, but larger valves for sure.

Integrated Cylinder Heads/Exhaust Manifolds: the LFX’s new cylinder head design has a revised intake port design that enhances airflow to the combustion chambers. Larger-diameter intake valves are used in the heads and work in conjunction with new, longer-duration intake camshafts to provide the engine’s boost in horsepower. By using larger valves and holding them open longer, more of the air is pulled into the combustion chamber, for a more powerful combustion. The exhaust manifold is incorporated with the cylinder head, which saves weight, reduces complexity and helps promote a quicker light off of the catalytic converter, which further helps reduce emissions.

Direct Injection: direct injection moves the point where fuel feeds into an engine closer to the point where it ignites, enabling greater combustion efficiency. It fosters a more complete burn of the fuel in the air-fuel mixture, and it operates at a lower temperature than conventional port injection. That allows the mixture to be leaner (less fuel and more air), so less fuel is required to produce the equivalent horsepower of a conventional, port injection fuel system. Direct injection also delivers reduced emissions, particularly cold-start emissions, which are cut by about 25 percent.

Nice information thanks for posting. The reason I was in belief that the valves were closer together, is because instead of normal exhaust manifold it has a tiny single compacted manifold port. From looking at pictures, including the OP, it looks as though his valves are really close together.

[omgitsmikeyC]

Redline fuel treatment seems to be very effective too.

[rtcat600man]

Originally Posted by omgitsmikeyC

Redline fuel treatment seems to be very effective too.

Problem with any fuel treatment is it will never see the top of the valves. Our V6's are direct injected and no fuel passes over the valves.

[hunter1660]

Curious as to why there is an intake valve if the engine is truly direct injection.

[rtcat600man]

Originally Posted by hunter1660

Curious as to why there is an intake valve if the engine is truly direct injection.

The air has to get into the combustion area somehow.

[Destructo09]

Originally Posted by hunter1660

Curious as to why there is an intake valve if the engine is truly direct injection.

Like rcatman said, air still has to get in, direct injection just refers to the fuel injection method.

[SeaWolfLestat]

Originally Posted by Gee

I would try running a few tanks(or going forward) of 93 if you dont use it already. I used the seafoam guide on here myself and it was easy. Drive the hell out of it on the last step. You dont want any of that carbon build up to end up in your cats. Good Luck. Id love to see a before and after on here. I think it would be the first.

Can someone post a link to the seafoam guide? I can't find it.

[Gee]

Originally Posted by SeaWolfLestat

Can someone post a link to the seafoam guide? I can't find it.

COMPUTING<> BEEP BOOP BOP BEEP<><><><><
http://www.camaro5.com/forums/showthread.php?t=286229
DING DING! COMPLETE<><>

[Scott@Bjorn3D]

Guys, the V-6 are DFI engines. That means fuel never goes over the valves since it is squirted into the cylinder. No fuel injection cleaner or better gas is going to fix what happens to DFI engines on their valves. Catch can is your only protection, BUT you should have one on dirty side and PVC side to prevent oil getting into your intake at WOT.

[Gee]

Originally Posted by Scott@Bjorn3D

Guys, the V-6 are DFI engines. That means fuel never goes over the valves since it is squirted into the cylinder. No fuel injection cleaner or better gas is going to fix what happens to DFI engines on their valves. Catch can is your only protection, BUT you should have one on dirty side and PVC side to prevent oil getting into your intake at WOT.

Agreed. We are referencing a seafoam procedure. In which you pour the petroleum based solution into your break booster line, which dumps it right onto the cylinders and valves. Then proceed to spray a foam solution through the throttle body so it cleans the intake manifold as well. This is known as top end cleaning. We do this on our v6's before adding the clean side seperator and the catch can like you mentioned. Thanks for the info!

[rozay]

Originally Posted by Gee

Agreed. We are referencing a seafoam procedure. In which you pour the petroleum based solution into your break booster line, which dumps it right onto the cylinders and valves. Then proceed to spray a foam solution through the throttle body so it cleans the intake manifold as well. This is known as top end cleaning. We do this on our v6's before adding the clean side seperator and the catch can like you mentioned. Thanks for the info!

I only have the catch can installed. What else do i need to prevent this in the future?