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horsepower rating

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Old 10-25-2004, 06:22 PM
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Default horsepower rating
how does the Japan horsepower rating compare to our rating?
is it a 1:1 ratio?

i believe their system of measure uses the letters "PS" while ours is "HP".

for example:
-if a car in Japan is rated at 267ps does it have 267hp in the US?


if anyone anyone could shed some light on this I would appreciate it.
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Old 10-25-2004, 06:31 PM
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267 PS = 263.3475 hp
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Old 10-25-2004, 06:41 PM
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The JDM engine runs higher compression. Hence more power.
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Old 10-26-2004, 03:50 AM
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Originally Posted by cdelena,Oct 26 2004, 02:31 AM
267 PS = 263.3475 hp
Whats the equation to work out PS to HP?

JDM's have 7 more hp due to the higher pressure in the engine. I've been told thats because it has a thinner Head gasket. Can any one confirm that?
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Old 10-26-2004, 04:29 AM
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They also have good 100ron fuel. This might also compensate for the increase in bhp
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Old 10-26-2004, 07:16 AM
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that and the 100 octane allows more aggressive timing.
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Old 10-26-2004, 07:41 AM
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http://www.onlineconversion.com/power.htm
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Old 10-26-2004, 10:47 AM
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Probably more than you wanted to know
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Old 10-26-2004, 02:37 PM
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Old 10-26-2004, 03:34 PM
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japanesee s2000 makes 250 PS ~= 246 or 247 HP


i *think* the c/r is about 11.3:1
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