[Amc-list] Comb chamber grooving

["Bruce Hevner" <scramblr@xxxxxxxxxxx>]

>I think Bruce just posted about this guy's work:

>http://somender-singh.com/component/option,com_frontpage/Itemid,1/

>Someone posted about it a few months back, and I looked at it then...
It sure looks like snake oil, but there's a >lot of people who claim to
be using it with excellent results, and the described physics is NOT
insane.

>But I can't find a single photo! I'm not clear from the descriptions
just what this grooving looks like, how critical >dimensions are, or
anything of a practical nature. I can understand if it's subtle and
complicated, but there's got >to be SOME rule of thumb here....
 
Someone posted a  few links to the forums on this subject and I read a
good bit of it (there are quite a few photos). I think one of the
posters on that forum summed it up pretty well,,, "over 800 posts on
this thread going back several years and yet not ONE back to back
test,,,common!!!"
 While I think the basic idea has merit I REALLY doubt that it can
"reduce the idle speed of an engine using a 280'@.050 cam to 500 RPM"
(as claimed). He is making some absolutely ridicules claims for this
modification! But there are patent issues at stake and that could mean
$$ so there ya go.
 I question why this idea has been around for YEARS but NONE of the
Shell engineers had even HEARD of it. And what about the Mfgrs?? Seems
THEY would be interested in it,, heck they are spending MILLIONS trying
all kinds of ideas to reduce emissions and increase fuel economy.
 I'll keep an open mind till I see some back to back tests done by an
independent party.

But HEY,,, that's just me!
Bruce Hevner



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