<VV> Decarbonizing Cylinders

[Jason Cesana]

Hank. Is the Top End Engine Cleaner like a carb cleaner? I know if you use
too much carb cleaner you can actually ruin the engine as it will take any
lube out of the cylinders (or so I've heard). How does it differ? I've used
the water trick before (on an old Chevy Caprice wagon not on the Vair) and
it worked quite well.
Jason Cesana

-----Original Message-----
From: virtualvairs-bounces at corvair.org
[mailto:virtualvairs-bounces at corvair.org] On Behalf Of henry kaczmarek
Sent: Monday, November 02, 2009 9:33 PM
To: virtualvairs
Subject: <VV> Decarbonizing Cylinders

There's a couple of ways to do it that don't involve water, which if not
done properly can bugger up the engine. 

GM Goodwrench Top End Engine Cleaner----Spray it down the spark plug holes
and let it sit for 24 hours.  Put the plugs back in and fire it up, goosing
the throttle while spraying more  down the carburetors.   Engine will smoke
like a coal burning locomotive, but it will take the carbon out. 

You can also use Seafoam engine cleaner or pourable GM Top End Cleaner
through a source of manifold vacuum , dribbling it in to the hose, and
you'll get the same effect.   

Water is cheaper, but Top End Cleaner doesn't ruin your engine if you put in
too much. 

Hank
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