Re: A few newbie questions....
 

Seeing how I am new to this and will be doing all repairs myself. Any recomendations on maintance???? My truck has 203000 on it and for all I know it has stock injectors. I do know the last owner changed the oil every 5k miles and the fuel filter every 10k

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I change my oil every 3-4k but thats cuz my bud sells it to me dirt cheap lol $40 bucks for an oil change is cheap insurance.
fuel filter at 10k is great.
air filter..well i run a 6637 so i can hold alotttt, just keep an eye on it.
trans fluid 30k or so(especially if you tow)
And a CAT EC-1 rated ELC coolant will make your truck happy.

i do 14 quarts rotella 15w-40 every 5 k fuel filter every 10k bout to do both diffs with royal purple

My old 96 stock F250 7.3 has around 650k mi on factory injectors. It is sitting right now most of the time because it is in a bad need of some injectors. It's rough when you first start it, but it'll run as good as new once it warms up.