I'm about the furthest thing from an off-roader as you can get. I've got an '03 F250, V10, CC, FX4. The 4x4 is essentially for our winters here in Michigan. I've got Toyo A/T Open Country LT235/85R16 tires on my otherwise stock truck.

On Thursday I'm going to be driving out onto the beach at the lake where my in-laws keep their boat. I'll be hooking up some straps to the boat lift to drag it onto the beach.

My question is, will I have any issues w/ traction on the sandy beach? What tips can you give for a true off-road newbie so I have success on the sand?

Thanks!
Kevin

 

First off, dont rely on your ESOF system to function as you might think it should. The electronic shift on the fly system will let you down of you try to engage it after you are stuck or will leave you stuck if you engage too late.
Since you know that you will require 4wd, then lock your front hubs before you hit the sand. Once you are in the sand, it may not be a bad idea to simply engage 4wd hi range. Your V10 has enough power to pull in this range. Drive as normal, and your capabilities will be increased by a reasonable amount.
Once you connect to the boat and draw tension on the lines you can determine whether or not you need low range. My guess is no, but it will be up to you. To engage low range, remove the tension from the lines by backing up and place the trans into neutral. Select low range, the 4wd low indicator will illuminate and you can apply tension once again.
After your task is complete, you can return to hi range, or 2wd if you wish, and once you exit from the sand, dis-engage the front hubs and verify that the axles are indee free.
I usually turn the drivehshaft by hand and watch the axle stub shafts turn. If they do, the hubs are free and you can drive like normal.
Once in a while I have to turn the axle stub shaft by hand instead of the drivehsaft, but this verification is quite valid, as many ESOF hubs remain engaged after they are set to AUTO and the dash selector is in the 2wd position.
That darn pulse vacuum system is not the most reliable, but understanding it can keep you from looking silly on the beach.

If the sand gets real nasty, and you are just digging with the tires, you can let some air out of the tires. Airing down provides floatation and unbelievable traction in sand.
You will have to air back up once you reach the road again.
How much do you air down? Air down enough to gain the traction that you need. The lower the pressure the wider the footprint, and the greater the tracion.
Obviously letting too much out will allow the tire to fall off of the wheel so use your judgement.
Should you have to drive on the road with lower air pressures, make it as short a trip as possible and know that the truck will handle and respond slowly. Braking distances will be increased. Tire temps will also increase so try to prevent any trips on the street after airing down.

Wet sand provides better traction that dry sand, si should you find yourself in a situation where you are stuck, dont fight the sand, the sand will win every time.
Take a few moments to carry a few buckets of water to the area where you are stuck. Spinning tires in the sand will only burry you more, so take it easy. Once the sand is wet, and if you have not taken some air out of the tires, now is a good time, you can slowly walk your way out of your own holes. Like magic the truck will crawl right out. Your tires will not displace sand very well, so you have to rely on floatation. This means that you keep wheel spin down in bad situations, unless you have monentum.
Believe it or not, momentum is your friend in the sand..

Have fun...........

 

Thanks!

re: airing down. How low is to low? I normally keep 60# front, 80# rear per the door sticker. Its a decent ride on the road, but might be a bit stiff for sand!

There's a gas station right across the street, so I won't have to drive far on aired down tires.

I've always relied on the vacuum system, and have never manually locked the front hubs. I guess I'll look into the owners manual on how to do that!

Thanks again!

K

 

When you rely on the ESOF system during your normal snow type driving, the front tires are turning and once you activate the dash mounted switch, the actuator takes a lieelt time to engage and this may take a few feet depending upon how fast you are going. This is not an instant response. What does this this mean to the guy stuck? It means that if the wheel does not turn because it is stuck, it may not engage. Now some may argue that the axle shaft turns so it should engage, but tell that to the many SD owners that get stuck in this fashion.

Ok, so you engage the front hubs by turning the dial clockwise as far as it will go. The indicator on the dial will point to "LOCK". This manually engages the front hubs and you are ready for 4wd anytime. You can shift while moving but have to come to a complete stop to engage low range. Easy ehough right?


How far do you air down? Well anything less than the 80 psi is gonna be an improvement. I mean 80 psi is like a rock and those will provide zero floatation.
I see a problem here. The tire pressures that your running ar off the chart for the aftermarket tires. Your door rating is for the manufacturers suggested tire and not the Toyo tires. I ran som 35" Toyo's on the Shop truck and recal a recommended pressure of 35 psi cold. I fear that you have far too much air in the tires and might dmamge then at those pressures. What does the tire sideall state as a "max" pressure" Surely not 80 psi.

I would not be afraid to air down to around 15 psi for running around the beach. The ride will be soft and at 15 you will have great floatation and not have to fear the tire popping off of the bead.

Check the recommended tire pressure on the tire not from the door, and adjust that .
How many miles have you run at these pressures?

 

Max load of 3042 lb at 80 psi cold (I believe that's an "E" rating). I've got 30k miles on them at 60/80.

So, before getting off the grass and onto the sand, turn the dial on the front hub clockwise to lock. Throw the inside switch to 4 hi, engage drive and go and the wheels will be locked?

I'll air down to 25 to be safe and if I need to go lower, I will.

Thanks!
K

 

I had to look at the tire chart from Toyo to confirm, and I'll be......that little tire does have a huge rating.
I dont ever run tires at that pressure unless I am gona throw the trailer on and really load it down. Those tires wear like iron. Nice tire. I like them actually.

Anyways, your preocedure is correct and you should be fine. I doubt that you will need to air down any lower, but you have that option.

 

Well, it worked. I aired down to 40psi and promptly got stuck. Aired down to 25-ish and was able to move around, but it was better once I put it in 4-low. Lifts are out of the water, and I didn't even break a sweat!

Thanks for the info!

K