My D50 ran a best of 6.29 @ 108 in the 1/8 with the Carter mechanical pump and 3/8 fuel line and a AutoZone plastic fuel filter. Switched to a big MagnaFuel pump and -8 line and saw no improvement.
1.33 60 ft,6.21 at 110.59 in the 1/8, pump gas small block,2950lbs,drag radials,mufflers and driven to track ...
