24-09-2012, 01:47 PM
I'm listening....
Genuniely interested as Compression Ratio / Volume efficiency / Boost is something which I have always struggled to understand fully. I just read that anything over 9:1 CR is difficult to add boost to, as the risk of knock is significant. It was always an 'easy job' on the MX5 forums because standard CR was just 8.8:1 on the 1.8s so effectively bolt-on and standalone management....
Genuniely interested as Compression Ratio / Volume efficiency / Boost is something which I have always struggled to understand fully. I just read that anything over 9:1 CR is difficult to add boost to, as the risk of knock is significant. It was always an 'easy job' on the MX5 forums because standard CR was just 8.8:1 on the 1.8s so effectively bolt-on and standalone management....
Disclaimer: The above is not to be taken to heart and is probably a joke, grow up you big girl.