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On Probation
Location:
North East NSW
Registered:
December 2002
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Re: More "K" queries
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Wed, 20 April 2005 03:00
 
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no. with flattops, you get something like 15:1 with 5k head. once you spend 2 grand having custom dome top pistons made, you'd end up with a motor which wouldn't be able to open the valves, and the little K motor starter probably wouldn't even be able to turn against the compression
there exist dished pistons for 4k, in japanese 4k-e and 4k-u bottom ends. these with a standard flattop head gives you about 7.5:1
you can also port a head out about one compression point if you know what you're doing
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