Problem with the Engine

[Ranger Kip]

why does a 2.8L engine (off the assembly line) get less than 130hp?
and why is the 4.0 underpowered itself?


comparing these cars to european cars which can pull 250hp out of a 3.0L v6 engine and put it in a modern standard class sedan

 

[Jraymer360]

why does a 2.8L engine (off the assembly line) get less than 130hp?
and why is the 4.0 underpowered itself?


comparing these cars to european cars which can pull 250hp out of a 3.0L v6 engine and put it in a modern standard class sedan

Older design maybe? most euro cars have turbos..at least that's what i've noticed. plus our engines (Maybe)are designed for less rpm with a lower toruqe curve? just guessing since it's a truck. meant to haul stuff not go zoom zoom.

oh and there is a lot of diesel over there.

http://www.eurocarnews.com/15/0/0/5996/panamera-diesel-250-hp-30-l-v6-engine/gallery-detail.html
http://www.cartodrive.eu/carfinder/Hyundai/ix55/3.0-V6-CRDi-250-HP-4x4-Automatic/Specifications/
http://www.ultimatespecs.com/car-sp...ari-RR600-Tender-30-V6-TD-250-HP-2WD-Aut.html

 

[nitrofan1]

Actually Kip ya almost answered the question. The 2.8L and it's siblings are based on a very old block the Cologne V6 from the Ford Capri. I believe it started out in the 70's as a 2.6L This means you want to compare 70's tech to the 21st century. Remember even the V6's from Europe back then didn't have a lot of power, they had gearing. Ford took this engine as far as they could. If it's any consolation the 4.0L's quality is far better than the original design by dropping the pushrod and going OHC.

 

[straycat]

Because Ford built them........put another motor in there and don't worry about it...lol

 

[adsm08]

why does a 2.8L engine (off the assembly line) get less than 130hp?
and why is the 4.0 underpowered itself?


comparing these cars to european cars which can pull 250hp out of a 3.0L v6 engine and put it in a modern standard class sedan

When you consider that the 4.0L runs a better power curve than the 5.0 small block at a better RPM range I don't see how it can be called "under powered".

I'd say it is quite appropriately tuned to it's application which, as stated, is pull things, not go fast.

 

[Rose2300]

technology advances over time which allows for more fuel efficient and powerful engines while utilizing less displacement

 

[Lucifer sam]

Besides how old the 2.9 and 4.0 v6 engines are,

Ford is notorious for having extremely tiny port and valve sizes.
Gm had the right idea with the LS motors, i think the 5.3 has a 230cc< intake runner size where as ford has less than 150ccs in the 5.0.

 

[EMB1230]

why does a 2.8L engine (off the assembly line) get less than 130hp? and why is the 4.0 underpowered itself?

The 2.8 was actually only 115 hp, remember it was carbureted, they typically were less powerful than fuel injected engines. the 3.0 when it first came out had MPFI and was only 140hp. Also, the GM MPFI 2.8 was only 125hp as well. OHV 4.0's could have had a bit more torque, they only had about 10 more than a 3.8.

You wanna talk underpowered? When the Cadillac HT-4100 V8 hit the scene, it was a measly 135 hp/190 tq!!