rscosworth Posted July 11, 2009 Report Posted July 11, 2009 I was just wondering if anyone has built a 4K with a 3K crank? We have a 4K motor with a cracked crank and we were thinking of rebuilding it with the 3K crank to create a destroked motor that would thus rev to the sky. I know it would drop the compression, but we have a 3K head that has been decked 4mm, with oversize valves and HDuty valve springs, with a port matched manifold and 45mm webber. What are your thoughts and experiences? Quote
irokin Posted July 11, 2009 Report Posted July 11, 2009 The stroke of a 4K is bugger all as it is, just find another 4K crank. Quote
rscosworth Posted July 13, 2009 Author Report Posted July 13, 2009 Thanks for the PMs. I should really search first. 3K crank turns it to a 3K again Oh well, the search is on for a 4K crank now Quote
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