A Ford F-250 can come in a variety of tire sizes with or without being lifted. The largest tire you can use without having to lift the truck would be 265/70/16.
Any size will do, the Truck is a major ROLLING JUNK HEAP
Open the drivers door and on the end of the door will be an information sticker that shows the original size tire on the vehicle from the factory
Recommended....5W30.
Mercon
That is not a tire size.
You have to look at the tire size and it will tell you!!! On the size of the tire it will look something similar to this P215/70R15 97S Keep in mind this is not the size to use just an example depending on your rim size and other sizes will determin the size of the tire just use that number that is on the tire and take it to the tire place of your choice and they will help you get the correct tire!
dexroniii/mercon
Meron, ONLY!
To change the clutch of a 94 Tempo, one needs to make use of Ford Tempo clutch kit. This kits is available at Auto Parts Warehouse.
Yes, tire stores do offer tire size guides for take home use. For instance, most stores offer the Michelin tire guide that you can take home and peruse to help find the best tire size and fit for your vehicle.
You can Use this tire size calculator online to calculate different size tires and wheels on your ride. http://www.tire-size-calculator.com/ it is a great site that i use myself.