Power mods on Sierra 1500 CC with 5.3L
I have an 04 GMC Sierra 1500 crew cab with the 5.3L engine and 3.42 gears. The previous owner added 20" wheels and tires and a flowmaster muffler, otherwise the truck is stock. My Outback 30BHQ is a...
Forum Discussion
New member, welcome to the Forum.
I'm blunt...often probably too blunt:
You have a big trailer and a relatively (light duty)truck. Pouring money into mods like re-gearing and a programmer is not going to give you better mileage or more payload. You will be wasting your money and will probably soon need transmission work.
It is a 1/2 ton truck and a heavy bunk house trailer...probably means family - kids and lots of gear.
You are in 3/4 ton territory...big block or diesel.
Hopefully others will give you a more positive outlook.
I'm blunt...often probably too blunt:
You have a big trailer and a relatively (light duty)truck. Pouring money into mods like re-gearing and a programmer is not going to give you better mileage or more payload. You will be wasting your money and will probably soon need transmission work.
It is a 1/2 ton truck and a heavy bunk house trailer...probably means family - kids and lots of gear.
You are in 3/4 ton territory...big block or diesel.
Hopefully others will give you a more positive outlook.
