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  1. #1
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    Default Ford vs. GM: Twin-Turbo Showdown

    Way to go GM. The stage is set for a all new showdown.

    Ford vs. GM: Twin-Turbo Showdown - PickupTrucks.com News

    Twin turbo with an 8-speed. Why does this make me salivate?

    Here is a link to GM's site. http://media.gm.com/media/us/en/gm/n...f3-engine.html

    I am most interested in the intercooler setup on this engine. The videos on this page are very interesting.
    Last edited by jejeosborne; 03-23-2013 at 10:42 AM.

  2. #2
    Elite Member Dmace's Avatar
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    Notice the high HP (420) as well as high TQ (430), clearly a better design. Wonder how it will do on regular fuel vs premium.

    Still bet GM will stick with the larger displacement N/A direct injected engines for truck duty.
    media.gm.com/media/us/en/gmc/news.detail.html/content/Pages/news/us/en/2012/Dec/1213_ecotec3-engines.html
    Derek
    Kioti CK20HST
    KL120 FEL // KB2365 BH // 60" JRW 3ph snowblower // 48" HD Boxblade
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    Quote Originally Posted by DiamondPilot
    Now it's time for Ford and GM to step up

  3. #3
    Super Member 94BULLITT's Avatar
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    Default Re: Ford vs. GM: Twin-Turbo Showdown

    I have seen a CTS test car on the road a lot recently. Maybe it has this power plant. There is also a corvette running with it.

  4. #4
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    Default Re: Ford vs. GM: Twin-Turbo Showdown

    an interesting little note on the 6.2L DIV8 in the vette is that it puts out over 400ft# of tourque at 2000rpm. i wonder how this will translate over to the similar 6.2L DI truck motor.

  5. #5
    Veteran Member CHDinCT's Avatar
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    Default Re: Ford vs. GM: Twin-Turbo Showdown

    Quote Originally Posted by Dmace View Post
    Notice the high HP (420) as well as high TQ (430), clearly a better design. Wonder how it will do on regular fuel vs premium.
    Per the article posted, " We should note Ford tells us that its power outputs improve slightly, measuring 385 horsepower and 430 pounds-feet of torque when using premium fuel, instead of the regular fuel the owner's manual recommends." So the premium fuel explains most of the hp/torque differences it looks like to me and not better design.
    Chris

    2 acres and a mule, er, Kubota BX25, and too many other toys,er, tools to list.

  6. #6
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    Default Re: Ford vs. GM: Twin-Turbo Showdown

    Quote Originally Posted by Dmace View Post
    Notice the high HP (420) as well as high TQ (430), clearly a better design. Wonder how it will do on regular fuel vs premium.

    Still bet GM will stick with the larger displacement N/A direct injected engines for truck duty.
    media.gm.com/media/us/en/gmc/news.detail.html/content/Pages/news/us/en/2012/Dec/1213_ecotec3-engines.html
    Why are you so biased against Ford? You seem like a reasonable person except for your opinion of Ford products

  7. #7
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    Quote Originally Posted by Dmace View Post
    Notice the high HP (420) as well as high TQ (430), clearly a better design. Wonder how it will do on regular fuel vs premium.

    Still bet GM will stick with the larger displacement N/A direct injected engines for truck duty.
    media.gm.com/media/us/en/gmc/news.detail.html/content/Pages/news/us/en/2012/Dec/1213_ecotec3-engines.html
    Don't know which is better without seeing the curves and the reliability after it has been around a couple years. GM is claiming 90% torque down to 2500 rpms. Ford is claiming 90% torque to 1700 rpms. Obviously ford tuned the ecoboost for lower rpms thus a larger hit on the HP.

    Some of it might be be design related. Each year more is learned. I like the intake cooling.

  8. #8
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    Default Re: Ford vs. GM: Twin-Turbo Showdown

    Thanks for this linked info.

  9. #9
    Elite Member Dmace's Avatar
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    Quote Originally Posted by CHDinCT View Post
    Per the article posted, " We should note Ford tells us that its power outputs improve slightly, measuring 385 horsepower and 430 pounds-feet of torque when using premium fuel, instead of the regular fuel the owner's manual recommends." So the premium fuel explains most of the hp/torque differences it looks like to me and not better design.
    So you think if this GM engine ran 87 instead of 91 octane, not only would it lower the HP by almost 60 but it would also completely change the torque curve resulting in the same peak torque but lower horsepower? I don't think so.
    Quote Originally Posted by turbo36 View Post
    Why are you so biased against Ford? You seem like a reasonable person except for your opinion of Ford products
    Granted I've been burned by Ford's long line of engine failures before, I'm not as biased as it seems. If you look at my posts, I mostly just post numbers and facts instead the same stories over and over. Same in this case, if TQ numbers are equal I'm taking the engine with higher HP doesn't matter who builds it.
    If Ford builds on the V8 5.0l engine making it direct injected and maybe a slight increase in displacement but still normally aspirated, I'll be first in line at the dealer. They make a great truck, but it will take a while to gain my trust back in their engines.
    Quote Originally Posted by jejeosborne View Post
    GM is claiming 90% torque down to 2500 rpms. Ford is claiming 90% torque to 1700 rpms. Obviously ford tuned the ecoboost for lower rpms thus a larger hit on the HP.
    Keyword here is "claiming". Ford's claim was already proved wrong...
    It didn't make 90% of it's torque until about 2300 rpms. At 1700 it made about 70%, certainly nothing to complain about but stop comparing "claims"....
    http://news.pickuptrucks.com/2011/04...8-engines.html

    I'm more interested in GM's new line of large displacement d.i. engines, no turbos or special drivetrain to repair.
    Derek
    Kioti CK20HST
    KL120 FEL // KB2365 BH // 60" JRW 3ph snowblower // 48" HD Boxblade
    Sims-Cab Depot heated cab
    Quote Originally Posted by DiamondPilot
    Now it's time for Ford and GM to step up

  10. #10
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    Quote Originally Posted by Dmace View Post

    Keyword here is "claiming". Ford's claim was already proved wrong...
    It didn't make 90% of it's torque until about 2300 rpms. At 1700 it made about 70%, certainly nothing to complain about but stop comparing "claims"....
    http://news.pickuptrucks.com/2011/04...8-engines.html

    I'm more interested in GM's new line of large displacement d.i. engines, no turbos or special drivetrain to repair.
    I used the word "claiming" for the GM motor as well.

    You have posted this article 20 times. It is a chassis dyno not an engine dyno. Measuring the GM turbo, or any turbo engine for that matter, on a chassis dyno will present the same challenges.

    Quote from article you referenced:

    "We look forward to seeing other magazines and enthusiasts test their EcoBoost V-6 and 5.0-liter V-8 F-150s on chassis dynos around the country. We think they may also encounter some of the same challenges we had trying to find the best way to test a rear-wheel-drive twin-turbo gasoline direct-injection engine. We have no doubt that the EcoBoost engine is delivering the power. It's measuring it accurately, especially at lower RPMs, that's tricky."

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