CAMARO6 - View Single Post

Mosaic6SS · 06-04-2019, 08:37 PM

I have used this product, and I also have catch cans. The reason why is because I bought a new Silverado, 5.3liter Ecotech, in 2014. After awhile noticed a rough idle and lost about 2mpg. The truck had nearly 20k miles so I popped the intake off and was disappointed to see my valves all covered with carbon, and the ports also. I was able to pour about 6 0z of oil out of the intake, where the oil pooled at the bottom. After seeing this first hand I was convinced that the DI engines needed special care. I went to Northern tools purchased a media blaster grabbed two bags of walnuts and cleaned it out. The truck ran perfect once I put it back together. I can say from experience that the DI carbon buildup issue is real. I have rebuilt many port injected engines and some with carbs. I have never seen valves and ports so caked up in any of those engines even if they had 200K miles on them.

So I just got my 2017 Chevy camaro SS and the car is solid. Haven't purchased a used vehicle in quite some time so I was prepared to fix a few issues. The first thing I noticed was that the idle was terrible. It almost seemed like if was misfiring. I ordered a catch can and when I installed it I ran a can of CRC through the upper vacuum nipple where the suction side of the catch can connects. I simply followed the directions on the can, nothing special. I then changed the oil. The idle was way better than before. I was thinking this would have no effect because I only have 11,500 miles on this car but it made a difference.

06-04-2019, 08:37 PM	#5
Mosaic6SS Drives: Camaro Join Date: May 2019 Location: Earth Posts: 81	I have used this product, and I also have catch cans. The reason why is because I bought a new Silverado, 5.3liter Ecotech, in 2014. After awhile noticed a rough idle and lost about 2mpg. The truck had nearly 20k miles so I popped the intake off and was disappointed to see my valves all covered with carbon, and the ports also. I was able to pour about 6 0z of oil out of the intake, where the oil pooled at the bottom. After seeing this first hand I was convinced that the DI engines needed special care. I went to Northern tools purchased a media blaster grabbed two bags of walnuts and cleaned it out. The truck ran perfect once I put it back together. I can say from experience that the DI carbon buildup issue is real. I have rebuilt many port injected engines and some with carbs. I have never seen valves and ports so caked up in any of those engines even if they had 200K miles on them. So I just got my 2017 Chevy camaro SS and the car is solid. Haven't purchased a used vehicle in quite some time so I was prepared to fix a few issues. The first thing I noticed was that the idle was terrible. It almost seemed like if was misfiring. I ordered a catch can and when I installed it I ran a can of CRC through the upper vacuum nipple where the suction side of the catch can connects. I simply followed the directions on the can, nothing special. I then changed the oil. The idle was way better than before. I was thinking this would have no effect because I only have 11,500 miles on this car but it made a difference.