Gallery · Source reviewPorsche 964Porsche 964 3.8L Varioram engine buildMoriartyhlms documents a two-year 3.8L engine rebuild and Varioram conversion, from case machining and a head-stud installation error to DME and harness troubleshooting. Stalling and fitment issues remained after tuning.Porsche911964Engine: 3.8LBuildTopics in the accountEngine buildrennlist · Moriartyhlms