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My bro just had a set of downey headers put on his tundra,
so I checked them out.
I noticed the motor is mounted RIGHT in the middle of the engine bay. You can clearly see the new headers. Tons of room in there. The whole motor is right there. Very easy access to everything.
The F150 motor is mounted way back, almoast under the firewall. (like a van!)
In the event that a V10 might be installed there is already plenty of room for the 2 extra cylinders. It also provides better weight distribution than hanging the engine out over the nose.
Compared to other few vehicles I've worked on regualarly, I think the f150 has very little room under the hood. I worked on a couple with body lifts, it is amazing how nice that extra inch or two is in the engine bay.
I've got a 3" body lift and a 6" suspension lift on mine. The extra three inches in the motor compartment is really nice. It's also nice when changing oil filter and the fuel filter as well (Don't need a jack!).
In the event that a V10 might be installed there is already plenty of room for the 2 extra cylinders. It also provides better weight distribution than hanging the engine out over the nose.
From whar I've heard, you can't drop in a V10 in a F150 without some firewall modification and motor mount work.
to answer you quetion as to why they are so far back is easy. If you look at the frame on the truck just before the engine you'll see that the crumple zones of the frame stop just before the front of the block. At first I thought that was another dumb design flaw of the truck. But when I looked closer at the trucks set up there I knew then why Ford did that. You see that was their way of better insuring tha that the engine would be safe in the event of a front end hit. And if you are wondering why the crumple zones are there. Thats simple to answer too. It's called safety. The frame was designed that way to absorb the extreme force of the hit to better protect both the occupants of that truck, and those occupants in the other vehicle. Id rather the little inconvience of the deep set engine and have unaffected in the event of a wreck than to have to replace the engine because the block broke from the hit. Although I do still think that Ford could have came up with a little better of a design. And the whole weight distribution factor plays a part for this design as well.
Funny, I was just thinking today that when it comes engine time I might want to get a donor v10 and tranny. I had planned to do some research here pretty soon.
I think the answer to the original question is the distance from cab to grill is really pretty short considering there is still a mechanical fan setup.
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.