Ok just bought an 92 f250 how can i tell if it has a 5.0. or 5.8. why does it not have maf had broncos and mustangs and they had maf starting in the later 89 models

 

On top of the upper intake you'll clearly see 5.0 or 5.8. If the motor doesn't have an upper intake(just a 90deg elbow where a carb would go) that's a 7.5l(460).

trucks didn't get MAF until 1995 and even then it was mostly 1/2 tons, most HD trucks never got it.

 

Is maf worth doing. looking to make this thing a nice towing rig to pull my civic race car or gettin fire wood dirt stonez ect

 

If it's got a 5.8 (and it should in an F250) you don't need MAF to do what you want it to do. An upgrade to a roller 5.8 would do wonders, but hardly a requirement.

 

Def is an f250 custom. what are some decent modds to add some good torque to this motor. usin a zf trans. i might even add a dump bed

 

I just did a roller 5.8 in a 95 F150. I added shorty headers and a set of 1.7 Cobra roller rockers, plus removed the Thermactor bumps from the exhaust ports. Can't give you any definate results, but these are simple things you can do to improve the breathing. Ford found a 15 hp increase in the Cobra rockers in the 93 GT40 5.0. A K&N filter in the air box is another, plus removing the factory silencer from the aircleaner inlet if it's still there.

 

So what motor is in it?

If it's the 5.0 the best way to get more torque is swap in a 5.8.
If you have a 5.8 then just add longtube headers(pacesetter) and a single 2.5" mendrel bent exhaust system and either upgrade the cam or add 1.7 roller rockers.