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It's an MT653, a 5 speed. It's got a granny low 1st, so it drives in 2-5 normally. What you hear is the torque converter locking up after 3rd, 4th, and 5th
It's like a Cummins, but it's not a Cummins. The injection system is nealy identical, except the pump is on the right side, and these didnt have rotary pumps. The engine itself isn't quite as beefy internally. I wouldnt try making 1000hp with a 6.6 or 7.8 Ford.
Not unless it has a major body lift. A better swapper would be a 6.6 liter. Same basic design, still has the "Ford" script on the valve cover, it's just a little smaller. The 7.8 is even taller than a DT466 IH engine.
They aren't bad at all. With regular maintenance, they will last a really long time. With the factory pump adjustment, they seem kinda doggy, but adjusting the fuel screw or plate is a free 30hp. Keep up on the fuel filter changes, especially the one close to the tank. Lastly, carry an extra set of belts.
In this video, was that wide open throttle? Also, is that a turbocharged engine. I saw the other vids of this truck, and I think I can hear a turbo, but I'm not sure.
I guess it's an allison since the shift pattern is RND321 that's the same as my 545. But this one seems to lock the torque converter in second gear. Do you know which model this is? It sounds nice and smooth.
It's an Allison MT653. It's a 5 speed, but 1st is a granny low & not used unless selected in "1". Normal driving it uses 2-5, and converter lockup is in 3-5.
It's nice and smooth. I've driven a few Allison's and they tend to be kind of harsh and only work well under a heavy load. Did you make any adjustments to yours?
Look at the movie "DT466 IH" , you see how it hits the rev limiter and then waits another 5 seconds before it shifts? That's what most Allisons do, even the electronicalized ones. Did you do anything to change the shift pattern on yours? Is yours hydraulic or electronic?
That other movie is the main truck I used to drive. Ironically, it's the same MT653 in the IH. I sent it back to the tranny shop a couple times to get it better, & it still shifts horrible. These MT653's are all old school mechanical.
i had a 6.6 liter in a 1991 school bus. It was tough trying to find parts as no one at auto parts stores had ever heard of a 6.6 liter ford motor. Trying to explain it was actually a Brazilian/New Holland tractor engine didn't really help.
@jacuzzibusguy lol yea ford makes ALOT of shit its pretty crazy and most of the avergae joes with and autozone shirt on aint gonna have a clue of what ur talkin about
This is the New Holland 7.8 Ford engine. It has a Bosch A-pump that has had the fuel screw adjusted a little bit, and the governor springs tightened up. It will rev to 2900 under load.
Yeah code named scorpion because the turbo sits on the top
dbIPHONE 1 year ago
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Illuminati=ET kin aka gods, Ea, Sirians, Satan, Pepsi, angels/demons, dragons, hulu, vampires, bluebloods, Al Gore, Windsors, Rothschilds, Rockefellars etc who rule cults like Freemasonry. Their agenda: continually cull/victimize people via vaccines/other poisons like gum, Codex Alimentarius, carbon taxes, internet 2, WW3 then stage an alien invasion to get a fascist world government/religion with us chipped. Support DrDeagle, Stewart Swerdlow, gardeners and free-energy techs!
deagla2 1 year ago
What do you think of the new engine that Ford is comming out with. I think its a 7 litre powerstroke engine.
mojame100 1 year ago
@mojame100
It looks like a pretty well made unit. I sure hope it works out for them!. It's actually a 6.7, they call it the Scorpion.
nevrenufhp 1 year ago
is that a old allison 8speed automatic in that truck?
1978mtb 2 years ago
It's an MT653, a 5 speed. It's got a granny low 1st, so it drives in 2-5 normally. What you hear is the torque converter locking up after 3rd, 4th, and 5th
nevrenufhp 2 years ago
Is this a 477 Super Duty big block?
deaztrailnutz 2 years ago
Oh, no. It's a 478 cu. inch, inline 6 turbo diesel.
nevrenufhp 2 years ago
can u take a video of the engine?
Ford sure make a wide range of diesels.
tpvalley 2 years ago
so its pretty much gotta cummins in it
redneckHP 2 years ago
It's like a Cummins, but it's not a Cummins. The injection system is nealy identical, except the pump is on the right side, and these didnt have rotary pumps. The engine itself isn't quite as beefy internally. I wouldnt try making 1000hp with a 6.6 or 7.8 Ford.
nevrenufhp 2 years ago
aite thanks
redneckHP 2 years ago
thats what i thought it was until i heard it.
NathansBackwoods 2 years ago
Would one of these fit in a 76 ford F250?
Hotrodx199 3 years ago
Not unless it has a major body lift. A better swapper would be a 6.6 liter. Same basic design, still has the "Ford" script on the valve cover, it's just a little smaller. The 7.8 is even taller than a DT466 IH engine.
nevrenufhp 3 years ago
are those 7.8s good? what are their weaknesses?
calhoonie 3 years ago
They aren't bad at all. With regular maintenance, they will last a really long time. With the factory pump adjustment, they seem kinda doggy, but adjusting the fuel screw or plate is a free 30hp. Keep up on the fuel filter changes, especially the one close to the tank. Lastly, carry an extra set of belts.
nevrenufhp 3 years ago
I thought straight pipes made the trucks quieter. Oh, and what's its top speed?
ChomuSclavus 4 years ago
straight pipe just eliminates the muffler, it's pretty loud, but not overly obnoxious. It tops out at 69mph.
nevrenufhp 4 years ago
In this video, was that wide open throttle? Also, is that a turbocharged engine. I saw the other vids of this truck, and I think I can hear a turbo, but I'm not sure.
BigChief427 3 years ago
did I count 5 speeds? What transmission does it have? Or is it a 4spd with locking converter?
haven't heard of a ford 7.8 either, did ford make this engine or somebody else?
castirondude 4 years ago
I guess it's an allison since the shift pattern is RND321 that's the same as my 545. But this one seems to lock the torque converter in second gear. Do you know which model this is? It sounds nice and smooth.
castirondude 4 years ago
It's an Allison MT653. It's a 5 speed, but 1st is a granny low & not used unless selected in "1". Normal driving it uses 2-5, and converter lockup is in 3-5.
nevrenufhp 4 years ago
It's nice and smooth. I've driven a few Allison's and they tend to be kind of harsh and only work well under a heavy load. Did you make any adjustments to yours?
castirondude 4 years ago
Look at the movie "DT466 IH" , you see how it hits the rev limiter and then waits another 5 seconds before it shifts? That's what most Allisons do, even the electronicalized ones. Did you do anything to change the shift pattern on yours? Is yours hydraulic or electronic?
castirondude 4 years ago
That other movie is the main truck I used to drive. Ironically, it's the same MT653 in the IH. I sent it back to the tranny shop a couple times to get it better, & it still shifts horrible. These MT653's are all old school mechanical.
nevrenufhp 4 years ago
The only adjustments I did were to the fuel system, the trans is a fresh rebuild, with less than 5k miles on it. This one does shift nice.
nevrenufhp 4 years ago
It's made by New Holland for ford tractors, then made it to trucks. They made a 6.6 & a 7.8 for the trucks from mid 80's to 93.
nevrenufhp 4 years ago
i had a 6.6 liter in a 1991 school bus. It was tough trying to find parts as no one at auto parts stores had ever heard of a 6.6 liter ford motor. Trying to explain it was actually a Brazilian/New Holland tractor engine didn't really help.
jacuzzibusguy 4 years ago
Belts & filters, may be the only thing an auto parts store can get you. Try a New Holland tractor shop.
nevrenufhp 4 years ago
@jacuzzibusguy lol yea ford makes ALOT of shit its pretty crazy and most of the avergae joes with and autozone shirt on aint gonna have a clue of what ur talkin about
bobwatters 1 year ago
This is the New Holland 7.8 Ford engine. It has a Bosch A-pump that has had the fuel screw adjusted a little bit, and the governor springs tightened up. It will rev to 2900 under load.
nevrenufhp 4 years ago