Hello from south central Texas
I have been looking for a street truck forum since I got my new toy. I just bought a 2002 rcsb with a 5.3,3:73 gears and a heavy duty locking rear. Clean truck with a few small dings and scratches but I love it. Runs real strong, previous owner says it has a tune and I need to run 93 octane. He doesn't know what tune though......so,I need to find that out for sure,somehow. Truck has 140k miles,I did a synthetic oil change but still want to change the tranny fluid and differential fluid.
