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Do Singh Grooves Work?
Was just reading the XCFi cam swap thread and someone mentioned cutting Singh grooves into the combustion chamber of their Metro cylinder head.
Any truth to this technique working, or do I need to grab some feed for the unicorn?
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Volvo WIA42 VED-12 / 335 hp / 1300 ft/lbs / 9 mpg
Big n' Boxy, Never met a Hill it Didn't Like
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