Factory Recommended Tire Pressure for ‘84 K20 with 235/85/16’s

[Adventurer]

Hi, my oldest son’s factory door sticker and factory glovebox stickers are missing.

That said, what’s the Chevy door sticker recommended tire pressure (front and rear) for 235/85/16 tires installed on a:

‘84 ¾ Ton 4WD 8 Lug Chevy K20 Longbed Pickup Truck with a 4.8L Inline 6; manual transmission?

Just had four new tires installed today (Falken Tires: Wildpeak A/T3W LT235/85R16).

Installers put them each at 50 psi for now.

As a sidebar, we’re told truck configuration is possibly:

GVWR 6600 =‘s 215/85/R16’a

However, we went with setup below, at the recommendation of mechanics for a:

GVWR 8600 =‘s 235/85/R16’s.

Thanks in advance.

 

[85K304SPD]

I would think that you would go with what the tire says. The "max pressure" would be the highest that you would put, to haul the most weight. For comfort there is no reason to max them out for daily driving. I like to run most LT tires at 50 psi. P tires are usually 35 psi max.

 

[Adventurer]

Installed these, BTW, at recommendation of tire dealer:

https://m.tirerack.com/tires/falken-wildpeak-a-t3w

Falken Wildpeak A/T3W

 

[Grit dog]

Easy to figure out and something a lot of/most people overlook. Especially with HD trucks that can carry WAY more air than they may ever need depending on the application.
1. Figure out the axle weights. Approximately. No need to go to a scale. That truck is probably about 5500lbs wet and 3000+FA and 2000+ RA.
2. Load pressure chart says 35 psi is min safe pressure for 1700lbs per tire.
Adjust from there for conditions, load or handling/comfort.
50psi in those tires is rock hard for either axle. Normal daily driving I’d be in the 40psi F/30psi R range.

 

[idahovette]

That's a load range "C" tire max inflation is 50 PSI......40 would be plenty, empty, just cruising