any ecoboost yet?
Cargo Master
Joined: Feb 2005
Posts: 2,898
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Have you actually saw them in person or are you going by the inventory listed on their website? Inventory means nothing as those trucks are probably still on order.
Ecoboosts were released for shipment last week so their may however be some out.
What is your location?
Ecoboosts were released for shipment last week so their may however be some out.
What is your location?
Cargo Master
Joined: Feb 2005
Posts: 2,898
Likes: 185
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Freshman User
Joined: Sep 2001
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Thanks for the reply. They should show up here soon. I am too undecided till i drive it. My thoughts are going with the 5.0 and puttting on the supercharger to get it to around 500hp, but i want to drive the ecoboost first.
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Lead Driver
Joined: Feb 2005
Posts: 7,938
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From: The Great State of Texas
Just a friendly warning - The current 3.7 and 3.5 engines going into Mustangs and Edge's are experiencing cold start up knocking noises. My question to Phil (Ford Engineer)was ignored about these known problems that Ford has not addressed with these engines; therefore I'm questioning if the Ecoboost will suffer from these same problems. I'm not certain the knocking noises is piston slap or from the mechanical bucket lifter arrangement these engine have.
I would research these existing problems thoroughly before jumping on the EcoBoost bandwagon.
I would research these existing problems thoroughly before jumping on the EcoBoost bandwagon.
Cargo Master
Joined: Feb 2005
Posts: 2,898
Likes: 185
Just a friendly warning - The current 3.7 and 3.5 engines going into Mustangs and Edge's are experiencing cold start up knocking noises. My question to Phil (Ford Engineer)was ignored about these known problems that Ford has not addressed with these engines; therefore I'm questioning if the Ecoboost will suffer from these same problems. I'm not certain the knocking noises is piston slap or from the mechanical bucket lifter arrangement these engine have.
I would research these existing problems thoroughly before jumping on the EcoBoost bandwagon.
I would research these existing problems thoroughly before jumping on the EcoBoost bandwagon.
3.5 cold start up knocking - Google Search
Junior User
Joined: Jan 2011
Posts: 57
Likes: 0
Do you mean a knock, or tap? Is it the same RPM as the engine, or half speed?
You can see the way the direct action tappets are designed that they could (would) tap. The design simplifies the valve train, yet allows it to be incredibly responsive. The tappets are computer selected during production and my understanding is that they are not intended to be field adjustable.
Guess the camshaft could be pulled and different thickness tappets used, or a spacer ... but, my concern would be more if I had a super quiet engine that burned valves.
You can see the way the direct action tappets are designed that they could (would) tap. The design simplifies the valve train, yet allows it to be incredibly responsive. The tappets are computer selected during production and my understanding is that they are not intended to be field adjustable.
Guess the camshaft could be pulled and different thickness tappets used, or a spacer ... but, my concern would be more if I had a super quiet engine that burned valves.
Lead Driver
Joined: Feb 2005
Posts: 7,938
Likes: 2,651
From: The Great State of Texas
Lead Driver
Joined: Feb 2005
Posts: 7,938
Likes: 2,651
From: The Great State of Texas
Do you mean a knock, or tap? Is it the same RPM as the engine, or half speed?
You can see the way the direct action tappets are designed that they could (would) tap. The design simplifies the valve train, yet allows it to be incredibly responsive. The tappets are computer selected during production and my understanding is that they are not intended to be field adjustable.
Guess the camshaft could be pulled and different thickness tappets used, or a spacer ... but, my concern would be more if I had a super quiet engine that burned valves.
You can see the way the direct action tappets are designed that they could (would) tap. The design simplifies the valve train, yet allows it to be incredibly responsive. The tappets are computer selected during production and my understanding is that they are not intended to be field adjustable.
Guess the camshaft could be pulled and different thickness tappets used, or a spacer ... but, my concern would be more if I had a super quiet engine that burned valves.
Senior User
Joined: Oct 2005
Posts: 255
Likes: 1
I have owned a 2008 Taurus with 80K miles on it....never had one issue with that car 3.5L no ticking or knocking either.
I have a 2010 Taurus right now with the 3.5L 29K miles on it, and not an issue with that either. Car is running flawless
New User
Joined: Jul 2010
Posts: 19
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I think this cold "knocking" you are referring to is fairly standard on direct injection engines. I owned a Mazda CX7 with the DI turbo engine and it would "knock" when it was cold outside.
If the temperature got below maybe 15-20F it would almost sound like a diesel on startup and before the engine warmed up. It was a fairly common issue that was talked about on forums.
Whether it is good or bad I don't know, I'm no engineer.
If the temperature got below maybe 15-20F it would almost sound like a diesel on startup and before the engine warmed up. It was a fairly common issue that was talked about on forums.
Whether it is good or bad I don't know, I'm no engineer.