Originally Posted by bear4333
what's the best compession ratio for a bbc 632 that would make the best power? I'm looking to purchase a short block, my heads are dart 360 cnc.
I swear that says 632bbc dart 360s :wink: followed up with
Currently, math and competiton tells us we're building somewhere between 650 to 690 HP
:P
Back to the questions on compression 15.5 on gas and 114 octane isnt enough... if alky 14.5 is enough. The dart 360s will be a major hold back unless you get one of the TPS guys to work on them.