what makes a piston high or low compression
Thread Starter
Joined: Jul 2006
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From: Chesapeake, VA, U.S.A.
what makes a piston high or low compression
what makes a piston high or low compression? I mknow the differents but what is it about the piston that makes it High or low
Thanks and sorry if this is a dumb ?
Thanks and sorry if this is a dumb ?
Junior Member
Joined: Mar 2005
Posts: 387
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From: BTown, Md, USA
Re: what makes a piston high or low compression (95 vtec)
the dome of the piston is what makes it high or low compression.
the higher the dome the higher the compression is, because it closes the room, for that of the air/fuel to burn. and vice versa
the higher the dome the higher the compression is, because it closes the room, for that of the air/fuel to burn. and vice versa
Thread Starter
Joined: Jul 2006
Posts: 100
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From: Chesapeake, VA, U.S.A.
Re: what makes a piston high or low compression (jpnucrx)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jpnucrx »</TD></TR><TR><TD CLASS="quote">the dome of the piston is what makes it high or low compression.
the higher the dome the higher the compression is, because it closes the room, for that of the air/fuel to burn. and vice versa</TD></TR></TABLE>
thanks man that helps alot
the higher the dome the higher the compression is, because it closes the room, for that of the air/fuel to burn. and vice versa</TD></TR></TABLE>
thanks man that helps alot
Honda-Tech Member
Joined: Apr 2003
Posts: 1,877
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From: PinaColadaBurgh, Id, USA
Re: what makes a piston high or low compression (95 vtec)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 95 vtec »</TD></TR><TR><TD CLASS="quote">do u know where I can find pics of what dished top and domedtop look like </TD></TR></TABLE>Google Image search High Compression Piston and then Search Low Compression Piston.
</TD></TR></TABLE>Google Image search High Compression Piston and then Search Low Compression Piston.
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Thread Starter
Joined: Jul 2006
Posts: 100
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From: Chesapeake, VA, U.S.A.
Re: what makes a piston high or low compression (jpnucrx)
just wondering how the make the diffent types. I like to learn as much as I can because cars are becoming my life. I love my Honda. 
D Tranny Guru
Joined: Oct 2001
Posts: 8,725
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From: Cincity, OH, USA
dome doesn't mean it's high compression.
I can take a motor, remove the dished pistons and installed dome one and DROP the compression........due to the pin location and over all design.
I can take a motor, remove the dished pistons and installed dome one and DROP the compression........due to the pin location and over all design.
Honda-Tech Member
Joined: Dec 2004
Posts: 36
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From: San Antonio, TX USA
Re: (Mista Bone)
Great.....confuse him/her whoever even more... Search like said. Pin location does make a difference but High compression and low compression is related to the volume within the combustion chamber. Dome pistions in most cases reduces that space therefore increasing compression ratio and the reverse for dish pistons. But continue to search and research.
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