You are too funny. Here a month or so ago you were on here telling us how great the ecoboost was and that it would easily get 24 mpg hwy. And you were crying because someone bashed you because you said the engine was good.
So now two months later you magically tell us not to buy one.

Here is my input on the subject. I have read one post from a guy speaking of this problem in these type of engines. Two, I figure if Ford is betting the farm on the ecoboost engine (as they will be offering it across their entire product lines) then if there is a problem that would cause failures they would know about it and have already fixed it. Don't you think that in their testing of the ecoboost in the F150 it would have showed up?

 

Throw some twins on the 6.2 or even the 5.4.

i dont understand why every car/truck doesnt have a turbo. its wasted energy. if you can use that to spin an impeller and get alot more power and alot better MPG why not slap it on everything??? sure the price would go up 5-10K but i bet alot of people would pay to have it.

 

Do you have a link to any of this?

 

With all cammed engines using a rebounding valve you have what is called cam overlap. If you slowly turn the engine you'll see that the exhaust and intake valves will be open at the same time. Depending on the cam timing determines just how much of the exhaust ends up in the intake. All direct injection engines have had issues with carbon deposits- it's just a characteristic of the design. Ford claims to have solved the issue. Apparently they haven't. Like everything else, testing in the lab or in front of a camera is completely different than real world product in the hands of the consumer.

 

Its called Atkinson cycle look it up... it for fuel economy

 

For what its worth, the Flex with the 3.5 Eco(passenger car version) has been named to Consumer Reports "recommended" list.

 

price would go up

excessive heat. more parts (intercooler) etc. meaning more stuff to break down

higher insurance

less fuel economy

taxes

 

From the chat with Jim, the head engineer for the V6 engine programs:

(((([Comment From denis ]
Is there any trace of carbon deposit on the heads ?
2:17

Jim: Denis - Nothing unusual was found on the cylinder heads given what the engine's been through - Thanks))))))



So the amount of carbon on the heads after 160k miles must have been acceptable and they ran that truck thru Hell.......

Now on the other hand, they ran that engine hard, so that may be the key to keeping it clean. Just like my diesel- If you work it hard the EGR will not clog. Mine hasn't in 6 years