2.5l or more turbo conversion

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Apr 29, 2003 | 02:09 PM

#61

Pavlo

Scooby Regular

Joined: May 2002

Posts: 6,316

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Quote:

the ideal combustion chamber size is something i have read somewhere realting to engine theory, the better man to ask on this would be paul. i am sure I could pull something off the net as I have done before, but Paul knows this kind of thing first hand.

I'm not too clued up on that, I find "rules of thumb" tend to be stretched over the years, and this 380cc thing is probably the result of the whole engine. Ferrari model numbers were derived from the cylinder size interestingly, so a 275 has 8 275cc cylinders. It affects the pistons size/weight, stroke, valve sizes etc etc. It has less to do with combustion itself as far as I know.

paul