bogging down

Hey all! I have an interesting problem with my 92 5.0 f150. The truck fires up and runs great. I'll take it down the road, and it will continue to run great for a couple minutes, at which point it bogs down. I push the clutch in, turn key off, turn back on, let clutch out again, then it will...

So I'm new here I've read through a few threads that seem to be about very similar issues and I'm still chasing my tail it seems like so i said "Well, you don't know what you don't know until you know that you didn't know it." And if that statement makes sense to anyone i might be in the right...

So, I have a '94 Ford Ranger 4.0 4×4 Pick-up truck. We keep having to put in new clutches as we do a lot of heavy load hauling and I guess we didn't get a heavy duty enough clutch. However, since our most recent clut h replacement I'd say about 2 days after picking it up its been doingbthis...

The radiator, fan clutch and water pump have been replaced, the cooling system filled and checked for leaks. All electrical and vacuum connections are in place. Everything looks ok but while letting it run for a little while after starting it up, something seems to be limiting or governing the...