[xj] Catalytic converter cleaner?

Has anyone tried this stuff? At least at amazon, about half
the reviews indicate it worked.–
Buy Buy – Dan Davis 84 xj6
Seattle, WA, United States
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In reply to a message from Daniel Davis sent Fri 21 May 2010:

If it needs cleaning, then something else is wrong with the engine
which requires addressing/ correction first. CATs are designed to
operate at stoichiometry and any other A:F ratio mixture will kill
them sooner, or later.

The original CAT(s) would probably last forever if the XK engine
wasn’t mapped ever so slightly fat. :frowning: The aftermarket CATs last
about 2 seasons at peak performance and then trail to failure in 5
years or so (due to thinner platinum coating on the substrate).–
The original message included these comments:

Has anyone tried this stuff? At least at amazon, about half
the reviews indicate it worked.


Ted Macklin/'85 XJ6SIII
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In reply to a message from Daniel Davis sent Fri 21 May 2010:

save the money for better things and just remove the cats.

Zurdo–
The original message included these comments:

Has anyone tried this stuff? At least at amazon, about half
the reviews indicate it worked.


1965 3.8 ‘S’ 1984 XJ-6
Florida, United States
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In reply to a message from zurdo sent Fri 21 May 2010:

Yeah, who cares about acid rain, caused by NOx, anyways :-P–
The original message included these comments:

save the money for better things and just remove the cats.


Ted Macklin/'85 XJ6SIII
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In reply to a message from Daniel Davis sent Fri 21 May 2010:

I can’t imagine anything that would ‘clean’ a cat. They are kinda
like a stack of straws, with the gases going through them down the
pipe. They only get ‘dirty’ when the engine is burning oil, running
rich as previously mentioned, or if they get plugged with bits of
slag and generic crud from the upstream exhaust system. You can’t
really ‘clean’ the cats from the slag and crud, but if you get the
chemicals in the fuel to somehow clean the front cat, you will have
a heckuva time getting the rear one clean. The gases are cooler by
the time they get to the rear one, and I can only imagine the
cleaner would need some heat to work.–
Tom Hishon, 69 E-type 2+2, 69 E-type OTS, 81 XJ6, 85 XJ6
Wasilla, Alaska, United States
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Daniel Davis wrote:

Has anyone tried this stuff? At least at amazon, about half
the reviews indicate it worked.

That might depend on the definition of ‘work’, Dan…

It may certainly ‘unclog’ a cat converter - restoring passage of
exhaust. But I seriously doubt it will restore the converter to its
emission cleaning capabilities…

Frank
xj6 85 Sov Europe (UK/NZ)===================================================
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In reply to a message from zurdo sent Fri 21 May 2010:

Be careful with this approach.
Removing cats can result in a lot of legal hassle is some place.

Peter.–
The original message included these comments:

save the money for better things and just remove the cats.


V6MGB
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