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Old 09-22-2009, 10:20 PM   #5 (permalink)
JasonG
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Join Date: May 2009
Location: Charlotte NC / York SC
Posts: 728

05 DMax - '05 Chevrolet 2500HD
90 day: 18.48 mpg (US)
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Quote:
Originally Posted by Johnny Mullet View Post
Carbon is a bad thing regardless of what it does to compression.
Exactly.
Run a heavy water mist, or my favorite, ATF down the intake.
I used to put a nail hole in an ATF bottle cap and invert it down the carb of cars bought from little old ladies to clean the engine from their putting around.
Now I drive slower than they do.............
Warning, this blows a lot of nasty black gunk out of the tailpipe on older cars. I have a feeling it will trash a Catylitic (sp?) in no time. I suggest you disconnect the exhaust while doing this.
Just my $0.02
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