Will advanced ignition timings and higher octane fuel improve average MPG?
GUNN ZT 1.8T Oct 16, 2007 #1 Will advanced ignition timings and higher octane fuel improve average MPG?
E edde Oct 16, 2007 #5 GUNN said: is 9.2 : 1 considered high? Click to expand... With the ngine effiency added into that nope.
GUNN said: is 9.2 : 1 considered high? Click to expand... With the ngine effiency added into that nope.
F Fred@BTM Lionel Richie Oct 16, 2007 #7 depends on what the engine has been designed for, the NA renault engies are 11:1 and up even the megane RS (turbo remember is 9:1)
depends on what the engine has been designed for, the NA renault engies are 11:1 and up even the megane RS (turbo remember is 9:1)