Thread: Singh Grooves
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Old 07-21-2012, 10:42 PM   #16 (permalink)
mwebb
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Join Date: Jul 2009
Location: New York
Posts: 513

no nickname , it's just a car - '04 volkswagen golf tdi
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tests and test results GEO Metro 10G

do singh grooves improve FE / BSFC in a Geo Metro 10G
yes
do they improve power output ?
no

67 pages of test description and test results

http://somender-singh.com/uploadfile...s_Analysis.pdf

not going to work in a 4 valve per cylinder head
or
a 5 valve per cylinder head
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