<VV> plugged tight squish

[James Davis]

Been there done that.  It takes about a quart of water to temporarily 
cure the problem (for 60,000 miles or so).  Apply the water slowly 
into the carburetors when the engine is at full song in high 
gear.  Easily done in an FC or Ultra Van (more plumbing required on 
cars).  I never was able to blow the carbon out of the combustion 
chambers with the vehicle stationary.
Jim Davis

At 03:28 PM 10/24/2006, BobHelt at aol.com wrote:
>
>In a message dated 10/24/2006 1:06:26 PM US Mountain Standard Time,
>geoffj at unm.edu writes:
>
>Kind of  makes me wonder why GM used such a big gasket step.  The idea was
>known then.
>
>-Geoff Johnson
>
>
>
>Geoff,
>There have been reports from some of those who have elimimated the gasket
>step that over time and high mileage a buildup of residue in the 
>chamber will
>cause/allow piston contact and resulting noise. Also, under racing 
>conditions,
>piston expansion may possibly allow contact with residue if any exists. The
>factory always has to play it same, and design for long life and customer
>stupidity.
>Regards,
>Bob Helt
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