Join Date: Jun 2000
Location: Virginia Beach, VA
JMS setup my chip and when I added the JBA's I called and asked CJ the same question. I told me no. BUT, I had a touch of fuel added anyway. Probably not needed but what the heck. I left the old tune in one of the programs just in case though.
2002 Modular Shootout, 2v Power Adder Champion
1999 GT Perf Red 35th 5.4L 2V DIY Turbo
2002 Ford Mustang GT Vortech V3 Stock 3.6 Pulley CXRacing Intercooler