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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: 4k hot up.
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Mon, 02 June 2003 12:59
 
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stay less than 400thou lift on the cam and i think stock springs will be ok. and prolly won't need to machine the rocker towers..
machine the lifters? why'd you need that? am curious 
2" is good for high revs/cam, but a bit smaller is fine if it's mild...
other than that, sounds like a good plan...
oh, get a double row timing chain from a 3K, if the 4K doesn't have one...
and exhaust porting can make a lot of difference... but ppl chrage way too much...
also unshrouding the valves in the combustion chamber helps a lot...
there's also a couple of threads on this subject before
Cya, Stewart
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