Coked Rings & Oil Burning Reduction Experiments.

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Originally Posted By: MrQuackers
I believe the OP has not performed a piston soak, only drive around flush. I have the same engine and have been doing idle flushes at oil change with some improvement.


yes, i got it. IMHO, piston soaks are so easy to do it in simple I4 engines, there is no reason not to do them. one has the 100% solvent concentration at the rings for many hrs (when done overnight or over the weekend) compared to only like 10% for limited time of driving before it evaporates. and when it evaporates, it distributes the varnish all over the engine. it happened to me once when i did some 50 miles driving with kreen in it.

after soak is finished, kreen goes down to the crankcase and one can do some idling before oil change to use it up as short gentle flush. less kreen use too (i do 1-1.5 oz per cylinder).
 
^ I had a reason not to do the piston soak, the 14 Oz. of Kreen added to the oil worked.
 
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