From: The Elrod's (ElrodML@pghmail.com)
Date: Sun May 02 2004 - 10:54:39 PDT
Ok guys, here is the "old timers" decarbonizing.
BUT, this is not for the manifold, only for the cylinder heads, usually used
when a chunk of carbon has flaked or built up to the point that the engine
has developed a solid knock.
Mix roughly equal amounts of ATF with water, usually about 10 fluid ounces
is sufficient. Have the engine fully warmed and running. Rev the engine to
2500 to 3000 rpm, do NOT over speed. Start adding the well shake mixture
slowly till serious smoke is noted from exhaust. Add remainder rapidly (3
to 5 seconds) but do not choke down. Immediately shut engine off and wait
15 minutes or so. Re-start and rev to 2500 or so, this will soften the
carbon and allow it to be burned or blown out of the cylinders. Be sure
your neighbors know what is happening there will be LOTS an LOTS of smoke,
it may take several hours to finally stop smoking.
Good luck.
Mark
-----Original Message-----
From: Military Vehicles Mailing List [mailto:mil-veh@mil-veh.org] On Behalf
Of Stephen L Dussetschleger
Sent: 02 May, 2004 13:43
To: Military Vehicles Mailing List
Subject: [MV] De-carboning old timers trick
caused by the internal passages in the intake manifold becoming
completely carboned up and plugged. Either you will have to remove the
manifold to "hog out" the carbon, or simply replace the manifold.
***** OK all you lod timers. Who was it that once mentioned a bizarre
method of De-carboing valves or something by taking a running engine &
pouring water (?) into the carb. Not enough to stallit, but enough to do
this job. Or was it ATF ? I can't remember. Seememd wierd, but had
people say they had seen it done.
Steve
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