So the GT42's have a 5" inlet. Finding the room and stuff to build an intake system is a pain. So would reducing the intake tubing to 4" cause a restriction?
some bolt on stuff from Bean & BTS
Some used and some home made stuff
463hp/991tq 10/01/05 mustang dyno 10k rollers
458hp/923tq 04/14/07 dynojet dyno
490hp/1025tq 03/08/08 mustang dyno 10k rollers
03/08/08 1st runs ever, 13.5 & 13.264 @ 100.65mph screwing up both launches, 7600#'s, #2 only