Right now I'm running a 165 ECM APYU chip on a mod L98. Cam is 271 adv. 218@ 50 112 lsa and 520 lift. Head are al. AFR 190cc. I'm wondering if there is any gain (i.e. hp/mpg etc) going to an after market system i.e. electromotive accell or even switching to speed density system. Or if there is something custom that can be built. Mike Rolica EXT. 260 :-)