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Old Apr 17, 2004 | 08:28 PM
  #1  
AznBlueBoy's Avatar
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From: Disneyland
Default jdm vs usdm

how does the jdm h22 get more power then the usdm?

what parts do i need to make it pretty much jdm?
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Old Apr 17, 2004 | 09:45 PM
  #2  
Kal's Avatar
Kal
 
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From: Sunny, FL
Default Re: jdm vs usdm (AznBlueBoy)

jdm h22a has higher compression

edit: i believe the header is different also.


Modified by Kal at 2:10 AM 4/18/2004
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Old Apr 17, 2004 | 10:08 PM
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Default Re: jdm vs usdm (Kal)

h22a pistons
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Old Apr 17, 2004 | 10:18 PM
  #4  
AznBlueBoy's Avatar
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Default Re: jdm vs usdm (rubix777)

how about just within the HEAD?
=D
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Old Apr 17, 2004 | 10:33 PM
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Default Re: jdm vs usdm (Kal)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Kal &raquo;</TD></TR><TR><TD CLASS="quote">jdm h22a has higher compression

edit: i believe the header is different also.


Modified by Kal at 2:10 AM 4/18/2004</TD></TR></TABLE>

if it is different, i couldnt tell...

JDM vs USDM vs DC SS Header
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Old Apr 17, 2004 | 11:08 PM
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Default Re: jdm vs usdm (Daboi630)

Yup, as stated above, the JDM H22A has 10.6:1 compression while the USDM H22A motors have 10.0:1 compression. I believe the heads are pretty much the same.
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Old Apr 18, 2004 | 08:54 AM
  #7  
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Default Re: jdm vs usdm (caLiH22A)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by caLiH22A &raquo;</TD></TR><TR><TD CLASS="quote">Yup, as stated above, the JDM H22A has 10.6:1 compression while the USDM H22A motors have 10.0:1 compression. I believe the heads are pretty much the same.</TD></TR></TABLE>

and the Type S is 11:1
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