13.3's to 11.8's to Forget it...

This could very well be the combo I try. However, I'm not against upgrading the cam or heads for that matter if I feel it's necessary to reach my number. Converter will key, I agree.
Well money spent vs performance it almost seems wise to build what you have and save the money/upgraded parts for another build. no shame in not making a goal with spare parts and the flip side is its good to be king if it overachieves.