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1 point more compression=about how much hp?

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Old Mar 3, 2003 | 03:11 PM
  #1  
sporkcrx's Avatar
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From: broke in the bay area, CA
Default 1 point more compression=about how much hp?

Usually about 1lb of boost equals about 10 hp...what about when you raise your compression by a point? How much hp do you think that gives you?
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Old Mar 3, 2003 | 03:32 PM
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Default Re: 1 point more compression=about how much hp? (sporkcrx)

Depends on the cams and the stroke. Which car/engine/mods? FI or NA? Info = help
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Old Mar 3, 2003 | 03:55 PM
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From: broke in the bay area, CA
Default Re: 1 point more compression=about how much hp? (Archidictus)

On a D series motor...I would be upgrading the cam...but lets just say stock cam, wondering if there is a general esitmate on it.
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Old Mar 3, 2003 | 03:57 PM
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Default Re: 1 point more compression=about how much hp? (sporkcrx)

na d series would be approx 10 whp. Boosted cars see even more than that.
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Old Mar 3, 2003 | 04:00 PM
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Default Re: 1 point more compression=about how much hp? (civicsitek)

No ****? That's pretty damn good!
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Old Mar 3, 2003 | 05:05 PM
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Default Re: 1 point more compression=about how much hp? (sporkcrx)

one point as in going from 9.1 to 9.2? or as in going from 9.1 to 10.1 cuz points are in the tenths (im purrtty sure anyway) so going from 9.1 to 9.5 is a 4 point increase
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Old Mar 3, 2003 | 05:28 PM
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Default Re: 1 point more compression=about how much hp? (altoid)

I think they're talking about going from 9.0:1 to 10.0:1 as being a one point increase, otherwise you could just drop a set of pistons in your motor and pick up two-hundred ponies.
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Old Mar 3, 2003 | 06:07 PM
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Default Re: 1 point more compression=about how much hp? (RABBIT9)

depends on many things, but it has been quoted as 7% hp rise with 1.0 compression rise...
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