compression ratio
#1
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compression ratio
if anyone knows, what is the difference in compression between the B16a2 stock pistons and CTR pistons. I know CTR are around 12:1. Does anyone know exactly. Also how much worse would CTR pistons make emission and smog levels. thanks.
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Re: compression ratio (broliSI)
b16a2 is 10.2:1 stock.
http://www.bseries.net/html/specs/benginespecs.php
However, the CR listed is for the original engine. If you change engines, heads, etc. then the CR will change if things like deck height, gasket thickness, or cylinder head volumes change. Most likely to change might be head cc's if you are mixing and matching things.
If that is the case, find out the values and use a tool like this:
http://www.csgnetwork.com/compcalc.html
Mark
http://www.bseries.net/html/specs/benginespecs.php
However, the CR listed is for the original engine. If you change engines, heads, etc. then the CR will change if things like deck height, gasket thickness, or cylinder head volumes change. Most likely to change might be head cc's if you are mixing and matching things.
If that is the case, find out the values and use a tool like this:
http://www.csgnetwork.com/compcalc.html
Mark
#3
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Re: compression ratio (broliSI)
I know CTR are around 12:1.
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