Piston Ring Gap Orientation
It seems like every piston and piston ring manufacturer has a different recommended piston end gap orientation when installing pistons. I'm using wiseco pistons and they show the top and 2nd ring lining up with the piston pin. I've always been told never to have any piston ring gaps facing the piston pin or thrust side of piston. I'm using CP piston rings and they show it a completely different way than Wiseco. What is a tried and true method for gap orientation for you?
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Re: Piston Ring Gap Orientation
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Re: Piston Ring Gap Orientation
I have always used the Honda given method, even with forged pistons. It seems to make the most sense. I wonder why it seems that every company has a different recommended way?
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Re: Piston Ring Gap Orientation
Originally Posted by ZCHondaCRX91
(Post 51814594)
I have always used the Honda given method, even with forged pistons. It seems to make the most sense. I wonder why it seems that every company has a different recommended way?
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Re: Piston Ring Gap Orientation
I want to point out that the above posted picture does not show which side is intake or exhaust. You can do it either way, as long as all cylinders are the same. But I personally do it so the intake side is left side of the above picture. This provides slightly higher compression, aka slightly less combustion pressure loss, due to the piston being forced to the intake side and doing a better job at covering the ring gaps.
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Re: Piston Ring Gap Orientation
I can't remember if I placed it with the intake on the left or right. Either way, I'm getting 195+psi on all cylinders so I guess it really doesn't make a difference. lol
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