OK, I'll buy that response John, so it's a good "street" box, then what would you use as a strip only box that I can jumper wire in a 440, '484' cammed, 906 heads with larger valves, pocket ported, 6 pack, good quench because of new pistons, deck and head cuts, opprox. 10.6 compression, 20D. in the dizzy in at 2000, 1-7/8 hooker super comps, 727 with the looser 383 conv. and 4:10's,