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01-10-2009 08:22 PM #1Registered User
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jrsc build
LHT,
Im building a sleeved b20 vtec supercharged motor with water/meth injection. I just dont know what the best Compression ratio would be...I'm thinking 11.5:1-12.0:1. This would a fully built sleeved motor and ported and lht intercooled supercharger. This would be my second jrsc build...first being a b20 with the m45 lht and water/meth injection at 8.5psi.
LHT what would be the best CR for my build and what are the down sides of to high of a CR?
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01-12-2009 02:08 PM #2John @ LHT Performance
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Unless you plan to run 110oct all the time i would build it 10 to 1 , it will make tunning much easier and safer.
I would consider stepping upto a M62 blower , the M45 is very limitted.www.lhtperformance.net.
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