I've heard that the 96-98 upper plenums are not good candidates for porting because they are thinner and you can't remove enough material. This came to light when B.A.R stopped accepting cores because they said some of the ones that they were receiving were unusable for porting.
__________________
Strike down the unroadworthy!
2000 GT Atl. Blue: '03 Cobra motor - 465rwhp/473rwtq, T-56 6-speed, full MM TA/PH & tubular K-member suspension, Saleen body, 17" Torq-Thrust II's, M/T ET Street radials, and lots more
'94 Rio Red Cobra: All the bolt-ons, 3.73s
|