
Originally Posted by
zero.
Not sure on the VF chargers. They were different kits for VR6 only. They did have an exchange/upgrade program with the old Z-Engineering kits at one point though. The VF units had an oil return line and not self-contained. The Z-Engineering kits did come with a GIAC chip. I'm pretty sure the VF kits used GIAC too and had two different tunes for stage 1 and 2. Really you should be able to get anyone to do a tune. One of my kits had a GIAC and the other a United Motorsports with 30# injectors.