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Seafoam treatment
#5
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Join Date: Aug 2010
Location: Wantage, NJ
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Year: 1995
Model: Cherokee
Engine: 4.0 I6
On a old vehicle like XJ's its a tough call, you may get a overall cleaner engine and smoother running engine. OR if your engine has damage that is clogged by buildup the seafoam might clean it out and finish off your engine.
I prefer cleaning it by hand.
I prefer cleaning it by hand.
#6
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Join Date: Jan 2010
Location: Virginia
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Year: 1989
Model: Cherokee
Engine: 4.0
As for through the gas or PCV system, it works amazing. removes carbon build up on the valves to prevent a chunk coming loose and jamming in the seat/face of the valve possibility causing a burnt valve happening.
In gas it cleans the fuel pump and lubricates it, also keeps the combustion chamber cleaner preventing carbon buildup and hot spots that can cause preignition, or worse detonation (which is like 2 ignition sources in the chamber igniting the fuel before its supposed to). Oh and cleans injectors too.
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