Superchips are mass produced. There's no quality there. I did alot of research, and after my last set of mods, the car felt like it was missing something. I chose the JMS chip (it's the best chip on the market)....the car's a monster again. The chip from your friends car is not set up for your specific car, that's why it won't allow you to use your existing timing. Throw that chip out. Depending on your current level of mods, you might not need one to begin with and having it can actually be hurting you.
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'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach drag-launch spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; Cervini's 3" turbo hood; A/C-less; cat-less; 2 chamber Flos; Corbeau racing seats; FMS 30# injectors; JMS chip; Holley 190lb fp; TFS track heat Intake (12.299 @ 113 - 1.78 60')
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