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Compression Ratio

Old 05-06-2004, 03:13 AM
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Default Compression Ratio

Okay, here is the setup I have planned. I'm just wondering what compression pistons I should to with to get around 9.3 cr. B18b1 non-vtec head.

Benson Sleeves 84mm
Benson balanced/micropolished crank
CP Pistons & Rings 84mm
Eagle Rods
ACL Bearings

Port Flow Port & Polish, 3 angle valve job
Ferrea .5mm oversized valves
Rocket Motorsports L21 cams
Rocket Motorsports springs & retainers

I was also wondering how much power you all think I will get out of this with a gt35e at around 22-23psi?

All Suggestions welcome.


Modified by TrumpTiteJoker at 4:33 AM 5/6/2004
Old 05-06-2004, 06:35 AM
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Default Re: Compression Ratio (TrumpTiteJoker)

just get pistons for your motor, and size, and they will tell you what CR they will yeild. Or you can call them directly...
Old 05-06-2004, 10:54 PM
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Default Re: Compression Ratio (FwdCivicHatch)

When I get the headwork done, the compression ratio will go down wont it? So if I'm going for a 9.3cr or somewhere close, I will have to get like, 9.5cr pistons? Any help is appreciated.
Old 05-07-2004, 06:15 AM
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Default Re: Compression Ratio (TrumpTiteJoker)

if your going to be running this as a daily driver, just get the 9.0:1 C/R it will work just fine. In the long run, you can just turn up the boost a little bit more. Especially when your going to run 22+psi
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