I think it figures out as 329. Lots of power/torc and good mileage for a V-8. 15-17 both highway/city in my 4x4 F-150.
I have towed over 12,000# ( lol...slow wild ride with no elec brakes on trailer) but it had plenty of balls to pull it with, just hard to stop.
In my opinion the worst cars/trucks in the world to work on are Honda's, Nissan's, Audi's and Chevy's in that order. that may not be true for every model, I expect the Nissan hard-body trucks arnt that bad, but I was thinking of the altima I changed a motor on and that was a nightmare from the word go.
I either dont know the tricks to them or Chevy trucks are too hard to work on. I did a rear main seal on a suburban and it was a royal pain. I can do it on my dodge or a jeep Cherokee in less then 30 minutes and only about 45 on a 5.0 mustang.
The S-10s used to be pretty awesome for their intended purpose as well. I had an 89 with the 2.5L and a 5 speed that was a real trooper.