Quote:
Originally Posted by kadettcqp
In my opinion it would be hard to adress an exact formula for this matter, there are simply to many things that come into play. Because another fact that comes into play is how efficient the engine is buildt. And for what CR the engine is buildt. If for instance the engine is buildt in any matter for 11:1 CR on 91 octane and can run with "optimum" ignition advance without detonation then you will have less power on lower CR. But if the engine needs to advance the ignition to much in order to run 91 with 11:1 then you could actually gain HP with less CR and less timing. It all comes down to the excact build of the engine. Therefore i would not be able to make any reasonable guess on how the power would change. CR is not always an indicator on HP it is an factor that you can play with along with the fuel used, cam etc.
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Thanks you for the answer. Looks like I have some more reading to do to get my arms around this subject.
Thanks again,
Ty