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A lot of speculation here . . . so if I add a little I'm probably not doing any harm: If they went with a smaller pushrod V-8, they could fairly easily do cylinder deactivation like GM and FCA have been doing on all kinds of V-8s for years. Then they can get decent fuel economy numbers while still having big bad power and V-8 noise etc. that folks want in mustangs and pickups.
Originally Posted by GABAR
What’s wrong with the fuel economy now in V8 F150’s and Mustangs.
I have a Coyote in my 2016 and my average is 22.5 MPG combined.
I didn't say there's anything wrong with current fuel economy. There is always a drive to get better fuel economy. If it is a larger engine and is able to deactivate cylinders it can have more power and better economy at the same time.
Ehhh not trying to be a Debbie downer here but the V10 is a 6.8L. And nowhere in that article does it say V8. So what if the new engine is just some different heads or a electric/hybrid version of the v10.
They just replaced the 6.8 V-10 with the 7.3 V-8 in production vehicles. It is a 20+ year old design and it is a large and relatively heavy engine.
Disclaimer: I'm not saying anything bad about it, just giving reasons it likely won't be brought back from the dead. Aside from a few issues, it's been a great engine in a lot of terrible use cases.
I would bet they'd design a new 6.8 liter V-6 or V-8 or V-10 or V-5 or inline-7 etc. before they'd try to resuscitate the 1990's-designed V-10, especially for the F-150 and Mustang.
Another disclaimer: We're all speculating. This is my contribution to the cause.
Originally Posted by 17350kr
I know it will fit in that platform f150 because the CC superdutys still use the v10.
Well . . . actually that just ended with the introduction of the 7.3 gas V-8 .
Originally Posted by 17350kr
Not sure if a v10 can be crammed in a mustang though.
It can with a tall hood, and some have done it, but it makes for a nose-heavy Mustang.
Originally Posted by 17350kr
it seems odd they would use the same displacement in a v8 they had in a v10.
It happens. The 5.0 (really 4.9/302ci) OHV V-8 was about the same displacement as the 4.9/300ci inline-6 back in the day. The 7.3 Godzilla is 445ci, almost exactly the same as the 7.3 Power Stroke at 444ci . GM even had four 350's and three 455's (plus a 454) at the same time. One of GM's two-at-the-same-time 5.0 V-8s was the 307ci Oldsmobile, same displacement as the current 5.0 Coyote at 307ci .
Originally Posted by 17350kr
All those triton motors the 4L V6, 5.4L V8 and 6.8L V10 are all the same motor with two added cylinders on each one.
The 4.0 V-6 has its roots in a 1960's design and had no commonality with the Modular/Triton V-8s and V-10s, although the math gets it close to looking like a 5.4 is 133.333% of a 4.0's displacement. The 4.0 is a Cologne engine that started life as a pushrod motor and later was updated with overhead cams. Basically true that the 6.8 is a 5.4 with two more cylinders, although a lot more went into it than just that.
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