Cast pistons -> Forged pistons
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Joined: May 2006
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From: Lafayette, LA
Cast pistons -> Forged pistons
Hello!
I have a little question. I am bulding N/A B16A2. The plans were a little diference few month ago than now so I have bought B16B (PCT) oversized pistons 81.5mm and keep the block bored for this pistons, but now I want to use a forged pistons, can I use it without any bore issue? I have heard that the forged pistons expand more than cast so I am worry about right piston to wall clearance etc...
Can I just use it or is better to use 82mm pistons and keep the block bore again?
Second question is, which pistons give me most compresion, I found some dome cc´s, Mahle seems to have the most cc, it is about 9, wiseco has 8.25, JE has 8.2, is this right?
Thank you for your replies!
I have a little question. I am bulding N/A B16A2. The plans were a little diference few month ago than now so I have bought B16B (PCT) oversized pistons 81.5mm and keep the block bored for this pistons, but now I want to use a forged pistons, can I use it without any bore issue? I have heard that the forged pistons expand more than cast so I am worry about right piston to wall clearance etc...
Can I just use it or is better to use 82mm pistons and keep the block bore again?
Second question is, which pistons give me most compresion, I found some dome cc´s, Mahle seems to have the most cc, it is about 9, wiseco has 8.25, JE has 8.2, is this right?
Thank you for your replies!
Re: Cast pistons -> Forged pistons (Wheelman-CZ)
If you're at 81.25 you'll be fine with forged, just step up to 81.5.
If your're at 81.5, you might be able to get away with it if they can hone for the fit.
If your're at 81.5, you might be able to get away with it if they can hone for the fit.
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