Discuss Re: high nox- won't pass 1988 240 in the alt.autos.volvo forum at Car Dealer Forums; RxP does clean the injectors and cleans out the carbon. The RxP concentrate absorbes a ...

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Old 09-12-2006, 03:46 AM
qiman13@hotmail.com
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Default Re: high nox- won't pass 1988 240

RxP does clean the injectors and cleans out the carbon.
The RxP concentrate absorbes a lot of heat into the fuel mixture itself
so less heat makes it to the metal meaning the engine does run cooler
and it does reduce Nox emissions.

For $6.99 + tax, you can buy some RxP at Autozone in your town and just
try it out. It doesn't matter if you have the head of the Florida DOT
come to
your house and tell you the test is valid because the skeptics (in
reality
cynics) will just find something to complain about.

The ONLY way you will know if it works is by using it. Anyone here that

thinks they can debunk it with rhetoric should just buy a few little
bottles
and try it out on a few tanks in a row and give it an honest test.
$6.99
won't break you but you just might find out that it really does work.
Anyone
that wants to take the time to try and pick apart documentation should
be open minded enough to go try it themselves, based on the opinions
here
of what it is, it is obvious it definitely won't damage anything. Lets
see just
how open-minded the thoughtful ones are by trying it themselves and
posting
the results here.




Frederico Alfonso de Nurk wrote:
> User <radietzno@spamioip.com> wrote:
>
> > Reading the MSDS at first glance my take was that it was kerosene with a
> > touch of butyl acetate as a strong detergent and octane improver.

>
> So it'd be cheaper to just buy injector cleaner?


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  #2 (permalink)  
Old 09-12-2006, 03:46 AM
Michael Pardee
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Default Re: high nox- won't pass 1988 240

<qiman13@hotmail.com> wrote in message
news:1152851379.135724.310800@m79g2000cwm.googlegr oups.com...
> RxP does clean the injectors and cleans out the carbon.
> The RxP concentrate absorbes a lot of heat into the fuel mixture itself
> so less heat makes it to the metal meaning the engine does run cooler
> and it does reduce Nox emissions.
>


You insult our collective intelligence.

> For $6.99 + tax, you can buy some RxP at Autozone in your town and just
> try it out. It doesn't matter if you have the head of the Florida DOT
> come to
> your house and tell you the test is valid because the skeptics (in
> reality
> cynics) will just find something to complain about.
>
> The ONLY way you will know if it works is by using it. Anyone here that
>
> thinks they can debunk it with rhetoric should just buy a few little
> bottles
> and try it out on a few tanks in a row and give it an honest test.
> $6.99
> won't break you but you just might find out that it really does work.
> Anyone
> that wants to take the time to try and pick apart documentation should
> be open minded enough to go try it themselves, based on the opinions
> here
> of what it is, it is obvious it definitely won't damage anything. Lets
> see just
> how open-minded the thoughtful ones are by trying it themselves and
> posting
> the results here.
>


Fair enough. It doesn't seem dangerous to the engine or fuel system, like
the acetone hoax can be. If people want to spend $7 on RxP I don't see the
harm.

Mike


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  #3 (permalink)  
Old 09-12-2006, 03:46 AM
Clay
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Default Re: high nox- won't pass 1988 240

Michael Pardee wrote:
>...
> Fair enough. It doesn't seem dangerous to the engine or fuel system, like
> the acetone hoax can be. If people want to spend $7 on RxP I don't see the
> harm.


Well, be sure to run a couple tanks through after you've tried it if
you're taking it in for a smog test.
The (CA) sniffers react badly to fuel additives. Good way to fail a test
for sure.
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  #4 (permalink)  
Old 09-12-2006, 03:46 AM
Michael Pardee
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Default Re: high nox- won't pass 1988 240

"Clay" <clay@mation.com> wrote in message
news:RoOug.6719$2v.304@newssvr25.news.prodigy.net. ..
> Michael Pardee wrote:
>>...
>> Fair enough. It doesn't seem dangerous to the engine or fuel system, like
>> the acetone hoax can be. If people want to spend $7 on RxP I don't see
>> the harm.

>
> Well, be sure to run a couple tanks through after you've tried it if
> you're taking it in for a smog test.
> The (CA) sniffers react badly to fuel additives. Good way to fail a test
> for sure.


Being a grump, I am certain the NOx will not be improved. The on-line
literature describes the NOx benefits as coming from decarbonizing, although
I have never known decarbonizing to be a fix for failing NOx emissions in
any car... and I've been DIYing since before any NOx controls or testing
were implemented in the US.

Indeed, the unorthodox theory of "radiation containment" would ensure a
*higher* NOx if it actually worked as described; the higher combustion
temperatures would mandate more NOx formation. I canna change the laws of
physics....

Mike


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  #5 (permalink)  
Old 09-12-2006, 03:46 AM
Clay
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Default Re: high nox- won't pass 1988 240

Michael Pardee wrote:
>...
>
> Being a grump, I am certain the NOx will not be improved. The on-line
> literature describes the NOx benefits as coming from decarbonizing, although
> I have never known decarbonizing to be a fix for failing NOx emissions in
> any car... and I've been DIYing since before any NOx controls or testing
> were implemented in the US.
>
> Indeed, the unorthodox theory of "radiation containment" would ensure a
> *higher* NOx if it actually worked as described; the higher combustion
> temperatures would mandate more NOx formation. I canna change the laws of
> physics....
>
> Mike


I'm just saying, be sure it's all flushed out of the system by running a
couple tanks of 'untreated' gas through it before smog testing the car.

When I had my '83 in for it's first test, it pinged at cruse and failed
because of high NOx.
The tech (who is a pretty sharp guy... I've been back to him several
times in the last 10 years) suggested several fixes including a new cat
and 'decarbonizing' by pulling a vacuum line and sucking some water
through the motor.
I've done this successfully on Detroit iron. Actually, we would run a
hose from the windshield washer (full of /plain/ water) into the
breather. Run it down the highway and give it a couple squirts. Worked
like a charm.
I don't think I'd try it on the Volvo though...
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  #6 (permalink)  
Old 09-12-2006, 03:47 AM
Mike F
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Default Re: high nox- won't pass 1988 240

Michael Pardee wrote:
>
> Being a grump, I am certain the NOx will not be improved. The on-line
> literature describes the NOx benefits as coming from decarbonizing, although
> I have never known decarbonizing to be a fix for failing NOx emissions in
> any car... and I've been DIYing since before any NOx controls or testing
> were implemented in the US.
>
> Indeed, the unorthodox theory of "radiation containment" would ensure a
> *higher* NOx if it actually worked as described; the higher combustion
> temperatures would mandate more NOx formation. I canna change the laws of
> physics....
>
> Mike


The idea behind decarbonizing is that it reduces the effective
compression ratio, which will lower combustion temperatures, which will
reduce NOx formation. In practice, my uncle once used GM Top End
Cleaner in his '84 240 (among a couple of other things) to pass PA
emissions. (This was before he (and I) knew about disconnection of the
vacuum line going to the ignition computer to reduce NOx.)

This is not to say (in fact quite the opposite) that I believe that the
product under discussion will have any effect on emissions, positive or
negative.

--
Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)
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