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Difference between USDM H22A1 and JDM H22A (PICS)

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Old Mar 13, 2004 | 08:37 AM
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Default Difference between USDM H22A1 and JDM H22A (PICS)

The other day I was asked by the JDM H22A produces more HP than the USDM H22A1. These pictures should help answer that question.

USDM H22A1 Piston:


JDM H22A Piston:


Both Pistons:


Look how much larger the dome is on the JDM piston than the USDM piston. I have a set of JDM TypeS pistons on the way, once they come in I'll compare those two the JDM H22A and USDM H22A1 pistons. I'll measure the domes to see how much of a difference they're actually is. This is just a little FYI. If you have any questions, please feel free to ask.

-Mike
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Old Mar 8, 2005 | 05:40 AM
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i just dropped a jdm h22a in my accord and theres a plug missing to the ecu i think its the vtec cause my car used to be a non vtec so can you tell me what to do
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Old Mar 8, 2005 | 06:00 AM
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Originally Posted by blurboEK
If you have any questions, please feel free to ask.
Why can't I see any pics?
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Old Mar 8, 2005 | 11:48 AM
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Nice. The red X's in the first pic are alot bigger than the red X's in the second picture.
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Old Mar 8, 2005 | 02:27 PM
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Originally Posted by Hybrid_eg
Nice. The red X's in the first pic are alot bigger than the red X's in the second picture.
Duh, thats beacuse they are the jdm red X's Hurry up and fix the pics mike, I wanna see
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Old Mar 8, 2005 | 03:36 PM
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maybe cuz the post is really old?
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Old Mar 8, 2005 | 04:00 PM
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hell yea...i never thought to check the date
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My tuner is named Alpha
Roque Fab = The best Fabricator in the WHOLE WORLD

The best engine in the world is the vagina, it takes any size piston, its self lubricating, starts with 1 finger, and every 4 weeks does its own oil change. It's just a pity the management system is so fucking temperamental.
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Old Mar 8, 2005 | 07:44 PM
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ibtl
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Old Mar 8, 2005 | 10:11 PM
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post is over a year old, pictures are looonnngggg gone...
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