Big Blue
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FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Maybe by Wednesday I can get to Big Blue.
But, I will say that the day of NA engines is upon us. My brother was blown away how a little 3.5L in an F150 towed that 7.0L F250HD.
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Joined: Nov 2007
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From: Denver Metro Area, CO
The computer controls on our generation of stuff is just what's necessary to make the thing run.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
The 7.0 is a 429.
Twin turbos and EEC can make a lot of power. When you add 14.7 pounds of boost at sea level you are effectively doubling the size of the engine.
30 pounds of boost in a 3.5l makes it more than 10.5l.
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Joined: Nov 2007
Posts: 22,415
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From: Denver Metro Area, CO
He works as a claims adjuster for an insurance company that provides aftermarket extended warranties. He tries to get ripped off regularly, and so needs to remain current.
He teaches classes to the newbie adjusters, he ran us all through what he teaches them.
Yeah, that vvt combined with all the other things they do these days, today's small engines can make a lot of power.
Our technology/trucks will soon be reclassified as "relics." Ancient history.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
No, not variable valve timing, Chris
An actual linkage that pushes the piston higher in the cylinder.
Go ahead, look it up
https://m.youtube.com/watch?v=a9hYU2OnsfE
An actual linkage that pushes the piston higher in the cylinder.
Go ahead, look it up
https://m.youtube.com/watch?v=a9hYU2OnsfE
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FTE Legend
Joined: Jul 2010
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From: Northeast, OK
Ooop, my bad - 7.5L.
I don't know how much boost the EB will actually give, but I see 12 psi routinely just before it downshifts under part throttle. So, under WOT it'll be significant. And, it does it at altitude too.
I don't know how much boost the EB will actually give, but I see 12 psi routinely just before it downshifts under part throttle. So, under WOT it'll be significant. And, it does it at altitude too.
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Joined: Jan 2001
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From: Virginia
The EB is a great engine, but when you are using it to it's full capacity it drinks the fuel like any other engine doesn't it? I don't think they will ever get away from that. I suppose it's still more efficient than the 460 would have been towing the same load.
The powerstroke's are the same way. Good fuel mileage until you step on it and the turbo kicks in.
The powerstroke's are the same way. Good fuel mileage until you step on it and the turbo kicks in.
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FTE Legend
Joined: Jul 2010
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From: Northeast, OK
We towed/hauled about 9000 lbs, including an '85 250HD on a trailer sitting up high, at 75 MPH and got 9 MPG. I'm not sure what a 460 would have done, but the EB did it with no fanfare. I locked it out of 6th so it was running 2100 RPM in 5th, and would go to 2500 in 4th, and 3000 in 3rd when it really needed to.
But, on the way down we got 14+ MPG towing Brandon's 2000+ lb trailer, again at 75 MPH. And running light at 75 MPH it'll get 17 MPG. Any 460's do that?
But, on the way down we got 14+ MPG towing Brandon's 2000+ lb trailer, again at 75 MPH. And running light at 75 MPH it'll get 17 MPG. Any 460's do that?
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Joined: Nov 2007
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From: Denver Metro Area, CO
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FTE Legend
Joined: Jul 2010
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From: Northeast, OK
We towed our 5000 lb boat to the Grand Canyon south rim, which is about 7100'. Still had 12 psi boost just before the part-throttle downshift and I could not tell any difference whatsoever in how it pulled. I'm sold.
Lead Driver
Joined: Feb 2013
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From: Roseville, MN
Not my experience. My '02 PowerStroke got 13 mpg empty at 65 mph and 11 mpg hauling a camper, towing a Bronco through the mountains at 75 mph. I couldn't believe what a fuel hog that thing was any time the engine was spinning (it desperately needed taller gears than the 3.73s it had). But the mileage hardly dropped with a load.