I agree when going for Tunnel Ram on the street, but since this is a 12.5:1 motor I feel there is a lot unknowns to make much of a recommendation. Motor specs, E.T. goals and intended use?
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: fiveforty</div><div class="ubbcode-body">The 660s are center squirters also. There is 1 nozzle in the middle. Boy I think I would opt for a pair of nice 600s or maybe even a pair of 750s with mechanical secondaries, 6109s. </div></div>