Got back from a trip to Breckenridge Co a few weeks ago. My 2000
Silverado 1500 Z71 w/5.3L (K&N FIPK, Flowmaster Cat back exhaust) was
pathetic to say the least. I drove as a chase vehicle on an OHV ride
along with my buddies Jeep Wrangler (I6).
Living in Ca at an elevation of about 200 ft, the truck has tons of
power and enough acceleration to keep me more than happy. At 10800 ft
elevation, the truck was so underpowered that it would not break the
tires from a dead standstill on a dirt/gravel road. It also had a top
speed of about 70mph with at least 1/2 mile to get to that speed. The
truck was always unloaded while I was there, no cargo trailer or
I raced my friends wrangler and got blown away to say the least. He
had his Jeep tuned for high altitude though he could not tell me what
that meant. Since I am going to be moving there very soon, I was
wondering what, "High Altitude Tuning" consists of. BTW, I have noooo
problem taking a Jeep wrangler at sea level.
I understand, less air = less fuel = less power, but this was
ridiculous. My Uncle swore I had a 4cyl under the hood. What can be
done if anything to remedy this?