Transmission question on 1991 F-Super Duty;Do you like the look of the new Superduty?;Expedition Axle;Is it a true heavyduty or not ? 1999's
Transmission question on 1991 F-Super Duty

I have a 1991 F-Super Duty 3yd dump truck w/ a 7.3 diesel engine. Looking for a trans for the other one lost forward gears. What kinda trans will work on this truck? I have found a 1989 F-250 diesel with a 7.3 diesel. Would this trans work in my dump truck? Or the better question is what will fit in my dump, or does it have to be the exact same one?
Thanks for any help,
Keith
i believe its a EOD model i'm guessing you have or might have a PTO to run your dump bed ?
no the dump is electricover hydraulic. I do have the overdrive button that I can turn off on the dash.
Since your trans is overdrive, it's an E4OD. It's electronically controlled, so there should be some kind of ECM/interface module on the driver's side firewall about clutch pedal height, but since the 7.3L is not electronically controlled, you can put a 3 speed C6 trans in it's place. Driveshaft length would have to be modified, possibly the shift linkage as well and you'll have to run a vacuum line from the vacuum T on the firewall to the modulator on the trans. If the F250 is a 3 speed, you'll have most of the parts needed except the driveshaft. If you do nothing but local driving, the C6 might be a cheaper alternative, but if you do any highway miles, you're better off spending the $$$ to have the E4OD rebuilt (they have been around for a long time and they can be built pretty bulletproof these days) since the D80 rear probably has 4.56 or 5.13 gears.
Thanks guys for the info. I got a guy that gave me a price of $580 to rebuild if I pull it. Does this sound far and anything I should watch out for??? Thanks again Keith:salute:
$580 sounds too cheap. Is he replacing the torque converter and solenoid pack?
I don't think so. I actually bought this truck from a buddy of mine and he had a Jasper rebuilt trans put in less than 7500 miles ago. Do you really think that I need to get a new torque converter? I think why this trans lost it's forward gears is because there was never any kind of trans cooler installed. And when I used it to haul topsoil,gravel,etc. I had overheated it.
If the trans only has 7500 miles on it, then the converter should be ok, but make sure you flush it out real good. Heat and vibration from a diesel can weaken the welds inside the converter and it would suck to eat another trans from reusing an old converter.
Is the solenoid something that is reliatively easy to change over?
Do you like the look of the new Superduty?

The new front ends just aren't growing on me. I just can't get used to the new headlights. I like the old Superduty front much better. What do you guys think?
Fords got a great looking truck, I'm just not sold on their engine and transmissions. They have great interiors and wheel and tire combos.
This is the first year I've ever given serious thought to purchasing a Ford. Love the new 450 and if Dodge doesn't get their azz in gear on the 4500 I'm going to end up buying one.
Been working on a headlight mod that I think will work good. Makes it much cleaner looking but is a little expensive once you change the buckets out.
Jerre
I love the Ford Super Dutys but the 08 has not grown on me yet. I think Dodge is going in the right direction with the life time power train warranty's.
The '08s are just now starting to grow on me a little. I like them a lot better than the new Chevy/GMCs out there.
I love the Ford Super Dutys but the 08 has not grown on me yet. I think Dodge is going in the right direction with the life time power train warranty's. My wife has a Liberty and it's not a well made vehicle.We have serious issues.I had two Dodges..93 and 99 had big issues with them too and these SuperDutys are the best I've owned..This is my 3rd.. just got it last week.
Made in Mexico...you get what you pay for. This is my opinion.
Capt
I love the Ford Super Dutys but the 08 has not grown on me yet. I think Dodge is going in the right direction with the life time power train warranty's.
they did the right thing w/ the warranty but, their trucks need better looks. I would take them over a ford but i'd dake a chevy over them all. they did awesome on thier trucks but, thats my opinion. the 05-07 f-series were the best looking, imo.
Not really a big fan of the 08's thats why I wanted to order an 07 this past spring. My dealer knew I wanted to order an 07 last fall and when ford cancelled all orders they called me. It took two weeks for them to find a truck that I wanted but they did it and i am driving a truck with normal headlights. I am sure it will eventually grow on me but i am slow to change. Other than the looks the gassers are pretty much the same so i am sure they are good tucks!!!
Expedition Axle

I have a 1999 Expedition. Considered putting a Snoway plow on it last year, but didn't. Mulling it over again now and the only thing that's really stopping me is the "closeness" to the axle rating.
While Ford does not recommend plowing with this truck, Snoway says that it can handle it fine. The front axle rating is about 50 pounds more than what Snoway says is the minimum that it must be.
My worry is that I am so "close" to the minimum axle rating that I may end up damaging something with just basic plowing (would just be plowing my personal driveway - 600' plus 2,000 sf turnaround).
My question - may sound dumb but I'm not knowledgable about this - why can't I simply put in a stronger/larger axle. Assuming that it's cost effective, wouldn't this be a simple thing to do? This would give me the peace of mind knowing that the axle is now capable of holding the weight.
Thanks for any information.
engineers always underrate things like axles to ensure their reliability .If you are just plowing your drive then you will be ok . If you start plowing the neighbors and then start taking on customers then you would need sturdier equipment . Keep ahead of the storm by plowing several times during a large storm this will not stress your Ford SUV
You will be alright with a small blade like a Snoway.Those trucks are pretty tough,and will do fine.The Snoway is one of the lighter plows on the market,but still strong enough to hold up like a commercial plow.
Thanks for the replies; I think I'll end up putting one on.
One of my lawn accounts has this same set up for a number of years with no problems.
Pelican - that's good to know (that someone is actually using this set up and it works). I've never seen an Expedition with a plow on, except for one that looked like it came from a garden tractor. I spoke with the Snoway dealer here last year and he said that had put them on others okay, but it's nice to hear it from a third party.
I currently use a tractor with a front blower (5'); I go to work at 4:00 am don't get home until 6 or so at night. Only takes about 45 minutes to do the driveway with 3-4" of snow, but it's a pain to get up at 3 am to do it. Whenever I'm chugging along with the tractor with the wind and snow blosing in my face I think how nice it would be to be in the truck and have it done in ten minutes.
Looking forward to it.
Nice tractor,but you can't beat the creature comforts of plowing in a nice truck :D
One more question...sorry...still learning....I've figured out that my 1999 Expedition has a 3.55 rear axle ratio. It has the towing package which should have had the 3.73, but for whatever reason, it has the 3.55 (I bought it off of the lot).
They may have put it on for mileage purposes, but who knows.
I do understand that the higher the ratio, the better for plowing/hauling, as it's less strain on the axle (so I know that the 3.73 would be better than the 3.55 I have for plowing, but would be a little worse for gas mileage).
My question....when I put the 4x4 in low, what would the resulting axle ratio equivalent be roughly? In other words, by using 4x4 low when plowing, am I effectively getting the equivalent axle ratio, say, 4.10?
Thanks
I can't comment on your truck specifically, but in general the gear reduction is much more than a 4.10 equivelant. With my 3.73 equipped 350, when I switch to low range, my top speed becomes 30 - 35 mph. Someone may be able to tell us the ratio of the transfer case to figure your end ratio.
The gear reduction in the transfercase essintially multiplies all the gearing by its ratio. I have a 2.72:1 Low ratio.
If I was 4hi in first gear, ratio 3.06:1, with a 3.73 Axle ratio, I would have a "crawl ratio" of 11.41. But when you shift into 4low, you multiply the crawl ratio of 4hi by the ratio of reduction in the transfercase, 2.72:1
So I would them have a ratio of 31.05:1
Does that make sense?
The 3.55 are very close to the 3.73,so you won't really notice much of a difference.
You should be able to do 90% of your pushing in normal 4WD.Use low only for real wet heavy stuff.You'll feel when the truck is labouring to push the snow,so use 4 low.
The effective gear ratio will be approx a little more than double what it was before when in low range.Not sure exactly what the low range ratio is in your transfer case,but most are around 2.7:1 reduction.
Thanks for all of the quick and informative replies.
I guess that I'm still trying to give myself peace of mind in terms
of me running the plow on a truck that's not necessarily designed for a plow.
I do know that low gear will provide substantially more "grunt" than high, as I have a loader on my tractor that I occasionally will forget to put in low when I'm working with it - tractor will bog down quickly until I remember to stick it in low.
I had planned to do most plowing in 4lo, as that would be the easiest on the equipment. I was concerned though that too much work in lo gear would itself cause excessive wear, but as I think about it, I don't think that it would.
Thanks again!
Use 4 HI.For normal snowfall doing your driveway,4 LO is overkill.It's too hard when shifting drive to reverse and back,and very slow.Only use 4 LO when the truck seems to be working too hard.
Is it a true heavyduty or not ? 1999's

I'm looking at a 1999 ford f250. I've noticed that 2000 and up say ford f250 heavy duty.
Are the 99's not considered h.d. I know that the chevy 99's 2500 are not like the 2000's 2500 H.D.
doe's it look like a f150 or the super duty body style. the had a 1 year truck light duty f 250 looked like the f150 .
doe's it look like a f150 or the super duty body style. the had a 1 year truck light duty f 250 looked like the f150 .
I think you might be talking about the 1998 F250. Its the odd ball truck with 7 bolt wheels.
i thoguht after 97 250's and up all used super duty, didnt think there was such a thing anymore as light or heavy duty
i thoguht after 97 250's and up all used super duty, didnt think there was such a thing anymore as light or heavy duty i think it was 1999 and after that they did away with the light duty 250????
Jay is right. In 1999, the light duty F250 was re-badged as an F150 with the 7700lb. GVW package. The F150 badge on the tailgate was the only one that had the 7700 written on it. They did this to try and avoid confusion about having two F250s. The 7 lug wheels is the easiest give away in picking one out. J.
So the7 lug means it's not a true 250 super duty ?
I'm looking at a 1999 ford f250. I've noticed that 2000 and up say ford f250 heavy duty.
Are the 99's not considered h.d. I know that the chevy 99's 2500 are not like the 2000's 2500 H.D. More info : This truck looks like the f150 but he special ordered a 5.4 engine ,4sp.auto overdrive, & tow package - not sure abou leaf springs. would it make a good plow truck ?
doe's it look like a f150 or the super duty body style. the had a 1 year truck light duty f 250 looked like the f150 . It looks like the f150 - he upgraded to a 5.4 engine,4 sp. auto overdrive ,3.73 gear ratio ( what ever that means ) & tow pkg. it has 7 lugs. would this be a good plow truck (70k mi.)
or should I look for a true 250 super duty ?
It would be ok for driveways, but for commercial or municipal use, the super duty is the only way to go. Best bet is keep looking and buy something once and have no regrets. Just my .02 cents
just a little FYI, Ford didn't make any 1998 Superduty's.
1997 F-250
7200 GVW
7 lug wheels
just a little FYI, Ford didn't make any 1998 Superduty's. that was a sad year:mad:
Mine is a fine plow truck, just be aware that 500 to 800 lbs. of ballast makes it much better. It is a little too light without ballast.
just a little FYI, Ford didn't make any 1998 Superduty's.
Right they were called 99's! Just like this year Ford only made 07' super duties in 06' and only for a few months at that. They started making the 08's in Jan 07'.
Right they were called 99's! Just like this year Ford only made 07' super duties in 06' and only for a few months at that. They started making the 08's in Jan 07'. What i meant was you can't buy a F-250 Heavy duty or F-350 that has a 1998 tag on it. They didn't make any for 1998.
From 93 to 97 ford had f250's in that body style. In 1998 and 1999 they had a F250 that looked like the 97 to 03 F150. The 1998 and 1999 F250 had 7 bolt wheels. In 1999 they did come out with a F250 superduty that wsa a 8 bolt wheel and looked the same from 1999 to 2004.



Copyright ? 2006 - 2008 www.TendCar.com
Tend Car Dialogue