Tuning with jets, Power valves and an O2 guage

One thing's for sure. You could certainly be a test bed for quench. If you dropped your quench distance to say the recommended minimum of .035" and it stopped detonating, that would really hammer home how well quench works. But I really think you can stop the detonation easier than that. It's unfortunate that the block was not zero deck height milled because then it would be easy. The gasket thickness would also be the quench distance. I know Jim Laroy (IQ52) has run close to 12:1 on pump gas with aluminum heads. I think it was 11.8? Something like that. You're at 10.7 is it? Something just tells me you're RIGHT there on top of being able to run pump gas. I think the ignition curve will do it.