540zcar yes that is correct.
If you have to much comp and to much boost you will run out of ignition timing.
Ignition timing is more important than the boost.
Easy to paint yourself into a corner come tune time.
It will relate to the fuel you choose to run with your set up.
My experience with...
Hi
I am new to this site and have experience on you question about compression ratio.
This was a back to back test.
This was 10 years ago so I am working off memory.
I have approached it both ways on a turbo engine(3sge Toyota)
1ST tempt
9.5:1 comp 15psi boost
eng made 180rwhp@4500...