Planning on an 04 Avalanche 1500 Z71 4x4 soon. Trying to get a feel for what I can do with it.
I have been looking into some after market stuff for it and have found that they have some good basic bolt on stuff like K&N CAIs, full cat backs, etc. Now...I am curious...
HOW can the mileage be increased? I know the rule of thumb is to keep it tuned and it'll deliver the highest mileage it is capable of, but just wondering if there are any bolt ons that could yield some better mileage. I was thinking that a CAI could possibly help the city mileage because it is taking in cooler denser air and therefore allowing less fuel to be used to keep it running at a certain RPM (idle). That logic could be off, but I have heard that CAIs can increase city mileage.
I really don't want a big 5700lb gas truck, I'd like a Bonneville, but I have a job that sorta requires a truck, I'd LOVE a diesel to be that truck, but this is a situation where we can get this Av pretty cheap AND need to keep the whole truck thing low profile, yes, thats a perfect oxymoron I know.
Anyways, help me out here. I'm used to the mileage of an N/A bonneville, this is gonna be friggin painful for me, I am just hoping the pain won't be TOO bad.