Quote:
Originally Posted by Cammer
My experience with dimples in the combustion chamber indicates they often contribute to unwanted vortices.
IMO, keeping the mixture homogeneous throughout the process is key to engine efficiency.
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In an area that there is plenty of action, you would be correct. Furthermore, dimples increase the surface area of the chamber, which is not a good thing. I've found it difficult to do anything constructive with this recessed area that keeps it from accumulating all the heavies and creating detonation issues under higher boost. The dimples solve a problem, not accentuate an already great combination.
Mike