- Joined
- Apr 28, 2012
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- Ram Year
- 2010 Hemi Reg Cab 4x4
- Engine
- Hemi
Thanks Jim, that is like night and day.Some updates:
I have been using S1 with this method (recommended by one of the members in here) and it is more effective than my method which is 1 bottle per tank.
1. After the fuel tank (19 gal tank) is half- emptied I added 1 bottle of S1 and drove until the fuel empty warning light came on and then add 1 more bottle of S1 and filled up the tank until it’s full.
2. I keep repeating step #1 3 times and so far i noticed the carbon buildup on the piston head melting faster.
Here are the photos:
1st photo is after using 1 bottle per tank.
2nd photo is after using 1 bottle/tank and 1 bottle per 1/2 tank.



