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Anyone seen these weird looking pistons?..pic

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Old 11-12-2004, 05:43 PM
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Default Anyone seen these weird looking pistons?..pic
What the heck are these designed for???
http://www.rbracing-rsr.com/Pistons.html
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Old 11-12-2004, 05:46 PM
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Read the rest of the site.

http://www.rbracing-rsr.com/113orca.htm
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Old 11-12-2004, 05:51 PM
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ya I'm a lazy dumbass... Thanks John
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Old 11-13-2004, 09:33 PM
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Originally Posted by Ryan23silverado
ya I'm a lazy dumbass...
Accepting it is the first step
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Old 11-14-2004, 07:56 AM
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Reading the site, they say they won't tell what the dimples are for, but come back later and they may spill the beans..... what the hell does that mean?

Are the dimples there to help control spark knock? Anyone?
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Old 11-14-2004, 08:58 AM
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just a guess,but i think they are supposed to enhance the combustion process by creating more turbulance in the chamber
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Old 11-14-2004, 12:19 PM
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I would guess that the dimples would be filled with carbon in no time at all so it must be for an application that requires constant rebuilding.
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Old 11-14-2004, 12:20 PM
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The dimples are there to provide carbon build up and hot spots so you will get predetonation. Probably good idea for a race car and a bad one for a street car.
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