* Warning: No direct BritCar connection *
Almost exactly a month ago, I posted the following:
>A year or two ago there was an extended discussion on methods of "decoking"
>engines, with an emphasis on ways to get around disassembling and scraping.
>One of the suggested methods involved spraying water into the carburettor.
>Here's a variation on that method that appeared in the newspaper:
>
> Q: In a recent column you talked about carbon buildup. My
> well-cared-for 1983 Dodge Aries, now with nearly 100,000 miles, has a
> good deal of run-over when I shut off the engine, especially if the
> engine is hot. What are the mechanics of adding the 50/50 water/brake
> fluid mixture through the carburetor? D.B., Brockport N.Y.
>
> A: I mix them in a 16-ounce Coke bottle and then drip the mixture
> through the air horn of the hot engine running at about 2,000 rpm for 30
> seconds. I dump the last half ounce in quickly and shut down the
> engine. I let it sit for about an hour to let the residual fluid soak
> down the carbon. Then I warn the neighbors that the house isn't on fire
> and start it up. Sometimes I have to dry the spark plugs if they've
> become too wet.
>
>
>From "Auto Answers" by Bob Hagin, Pacheco Automotive News Service, as
> printed in The Oregonian, Saturday, May 1, 1993.)
Last evening I ventured to try this procedure on the Plymouth. While I
was too timid to empty the whole pint of this slop into my carb, I did
run about three ounces in, and let it marinate while I changed the oil
and filter. When I started it up, there was a good puff of smoke, but I
can't swear that it was liberated carbon... it could have been the brake
fluid.
I haven't noticed any immediate difference in performance, but I've only
driven it about two miles so far.
-coryc
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