swathdiver
Full Access Member
You'll tow that just fine. Now, being that she's 13 years old now, the 22840115/21648 radiator for the 6.2s is a good upgrade as is the 14-bolt axle for durability.
If yours has K5L, she has 700 watt cooling fans.
But, don't forget the springs and shocks. Mine started to sag with a 5K trailer right before we overhauled the suspension with all GM OE parts.
I took a vacation out west and when we left weighed the truck, she came in at 7,320 pounds (steer axle was 3700!) and probably weighed a little more after we got back from all the shopping the girls did. Truck didn't care.
I recently installed a 14-bolt and changed the gears to 3.73s. You can feel the difference in performance and our city mileage has increased. I have not been able to quantify the gains at the drag strip yet or highway mileage though some basic testing suggests no degradation in fuel economy on the highway. Anyhow, 4.10s would be fun but wouldn't want to spin the motor that high all the time even though the load on the engine is less.
The 2500 Suburbans and NHT pickups all run 3.73s, that's good enough for me.
Love the looks of those Z71 Suburbans!
If yours has K5L, she has 700 watt cooling fans.
But, don't forget the springs and shocks. Mine started to sag with a 5K trailer right before we overhauled the suspension with all GM OE parts.
I took a vacation out west and when we left weighed the truck, she came in at 7,320 pounds (steer axle was 3700!) and probably weighed a little more after we got back from all the shopping the girls did. Truck didn't care.
I recently installed a 14-bolt and changed the gears to 3.73s. You can feel the difference in performance and our city mileage has increased. I have not been able to quantify the gains at the drag strip yet or highway mileage though some basic testing suggests no degradation in fuel economy on the highway. Anyhow, 4.10s would be fun but wouldn't want to spin the motor that high all the time even though the load on the engine is less.
The 2500 Suburbans and NHT pickups all run 3.73s, that's good enough for me.
Love the looks of those Z71 Suburbans!
