Originally Posted by Streetwize

I used to modify Street Dominators by making the second port entry from the plenum more Trapezoidal (I used to call it "Gumby's head" lol) when looking at them side by side and with slightly more square area to the second port. It's seemed to work because the SD would usually pick up 1.5 MPH and drop the ET .1-.2 tenths on a typical low 12-high 11 B or E body.

You "Gumby Headed" the #7 and #1 ports? Trying to get my mind wrapped around that idea... work

Last edited by Brad_Haak; 11/21/22 01:22 PM.
2021 Challenger 6.4L Scat Pack 1320
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
weight reduction, wheels, tires, Hellcat air box: 1.661, 11.686 at 115.97 (DA 710 ft)

1973 Challenger 452 ci street/strip [2008]
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)