Gary
I guess with alcohol you would want 14 to 16:1. Have personally run N2O with
12:1. Thinking Keith has been higher than that.
Cylinder pressure is going to go up with N2O. Guess the question is how much
will the gaskets and studs hold?
JB
----- Original Message -----
From: gary baker
Sent: Saturday, May 17, 2003 6:38 AM
To: land-speed@autox.team.net
Subject: compression ratio
G'day mates
Ok a question say my static CR is 11:1 with new pistons (custom made ) now
unless I have 100% volumetric efficiency VE my dynamic CR will not be 11:1
but less ( I think this is correct ) now if I add N2O injection will this
increase my V.E? It will increase pressures inside the cyclinders
considerabley will this increase the CR above 11:1 ? why I ask is Im trying
to find a CR that will allow me to run methanol normally aspirated and
produce reasonable HP but not to high so when I turn on the N2O its not to
high because Im having custom pistons made I can specify the static CR,
any ideas guys as to the best CR
Gary who is spending lots of time in the shed and not on the puter
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