Coil Over Front Suspension
I wonder how difficult it would be to convert to an '05+ Superduty setup (If one could find the parts other than from a dealer)?
I know Kelderman Air Ride has a front airbag kit that produced minimal (& adjustable!) lift and improved ride compliance.
You'll need an air chisel and torch to get the huge stock rivets off of the donor truck. You'll need to drill only a few holes, almost all of them are already in place on your Excursion. Like it was made for it. You'll have to open up a lot of holes to a larger size as well.
While you're at it, grab the steering gear because it will turn much tighter. You'll like going to coils. Front driveshaft will require zero mods. The rear will have to be modified, flanges for the 1410 and 1350 double cardian joints will need to be the same. There is a larger pilot on the new rear axle. Brake lines will also take a little work to adapt. Let me know if you need help, i can be a little more specific.
You'll need an air chisel and torch to get the huge stock rivets off of the donor truck. You'll need to drill only a few holes, almost all of them are already in place on your Excursion. Like it was made for it. You'll have to open up a lot of holes to a larger size as well.
While you're at it, grab the steering gear because it will turn much tighter. You'll like going to coils. Front driveshaft will require zero mods. The rear will have to be modified, flanges for the 1410 and 1350 double cardian joints will need to be the same. There is a larger pilot on the new rear axle. Brake lines will also take a little work to adapt. Let me know if you need help, i can be a little more specific.
The bigger brakes are a worthy upgrade. Also, the axle is a bigger, stronger Visteon 10.5 instead of a Sterling 10.25. So it is truly a 1 ton. It has a limited slip as well, but that's kind of a joke when you really need it.
The lugs were diferent as well. It annoys me to not be able to swap wheels and lug nuts around so i made sure everything would work the way i wanted.
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The bigger brakes are a worthy upgrade. Also, the axle is a bigger, stronger Visteon 10.5 instead of a Sterling 10.25. So it is truly a 1 ton. It has a limited slip as well, but that's kind of a joke when you really need it.
The lugs were diferent as well. It annoys me to not be able to swap wheels and lug nuts around so i made sure everything would work the way i wanted.
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My other concern is switching to a manual transmission - I don't think it would be a big deal if I could find a donor with all the goodies I need (we'll a manual trans donor will be harder).
I am planning on getting a V10 Excursion and going with a bi-fuel setup. I have been looking to get a home CNG fueling station that will liquifies natural gas and compresses into the vehicle fuel tank using residential natural gas. V10's put out more than enough power and if I can fuel it for cheap - who cares about the gas mileage. I theorize with a V10 and a manual trans I can get an unloaded Hwy MPG of 16 or better. I would prefer diesel but the cost of diesel is so volatile and you don't know what the future holds for it. Going with a bi-fuel setup gives me the option to run natural gas or gasoline. With some cheap upgrades you can get a V10 to put out an excess of 500 horsepower.
It should be no different for you to convert from 2x4 to +2005 4x4 suspension if you use all of the parts from the donor truck. I recommend the Ford New Venture 271 transfer case, it is stronger than a New Process 205, even though it is chain driven. It is the best transfer case from the factory for a one ton truck. I'm not sure if any aftermarket companies make a unit strong enough for such a big truck. Atlas told me they did not have anything.
16 mpg is optomistic with a V-10. My PSD got 11 mpg empty. If i were you, i would install a '94-98.5 Cummins 5.9 12 valve and convert it to run on waste vegetable oil. Converting from a V-10 is the easiet.
Diesels are far more flexible as far as what can be used for fuel. WVO is also a free fuel because restaurants have to pay to have it disposed of. A diesel on WVO or biodiesel can be cleaner than a hybrid if you add water injection (also free) to reduce NOx. You can fill your tank anywhere, for free, get around 20 mpg, and be environmentally ahead. Not to mention a Cummins will run circles around a V-10 for a fraction of the cost and complexity it would take for a V-10 to make 500 rwhp.
It should be no different for you to convert from 2x4 to +2005 4x4 suspension if you use all of the parts from the donor truck. I recommend the Ford New Venture 271 transfer case, it is stronger than a New Process 205, even though it is chain driven. It is the best transfer case from the factory for a one ton truck. I'm not sure if any aftermarket companies make a unit strong enough for such a big truck. Atlas told me they did not have anything.
16 mpg is optomistic with a V-10. My PSD got 11 mpg empty. If i were you, i would install a '94-98.5 Cummins 5.9 12 valve and convert it to run on waste vegetable oil. Converting from a V-10 is the easiet.
Diesels are far more flexible as far as what can be used for fuel. WVO is also a free fuel because restaurants have to pay to have it disposed of. A diesel on WVO or biodiesel can be cleaner than a hybrid if you add water injection (also free) to reduce NOx. You can fill your tank anywhere, for free, get around 20 mpg, and be environmentally ahead. Not to mention a Cummins will run circles around a V-10 for a fraction of the cost and complexity it would take for a V-10 to make 500 rwhp.
What kind of mileage are getting in your Excursion with a Cummins? I presume you are running an automatic? Did you stick with the stock Ford trans and adpat it to your Cummins or did you go with something else? Did you make your own custom motor mounts or buy them aftermarket?
My truck is at a shop in MO right now so i can't comment on fuel economy yet. As shown in my signature, i stuck with the automatic. I bought quad engine mounts from autoworldmt.com. Excellent craftsmanship, though i haven't been happy with everything from them. I used a destroked.com kit to mate the engine to the transmission and that so far has been the only flawless part of the conversion.
I was recently talking to a guy whose brother in law drives a 90s Dodge. He gets 28 mpg in his 1 ton pickup. It dynos around 550 hp. Going 40 mph, he can blip the throttle and spin the tires. A guy i used to know got 25 mpg towing or unloaded and he drove with his foot all the way in it full time. Another local farmer who delivers hay has documented that he gets about 32 mpg. Not possible with a gas engine working that hard. A gas engine won't last long under that much labor either.
Considering the fact that a Cummins can last over a million miles, it all suits me just about perfectly. Plus, i got tired of all of the electrical stuff on my PSD. I liked wiring up my own exhaust brake and using potentiometers for more ICPs and timing, but overall, the computer was a headache. I decided to go back to driving a machine.
If i ever run a gas engine again (which i can't even imagine doing after owning a diesel), i would want to do what you are doing. Great benefits by converting a gas engine to propane, though you are limited by availabilty of natural gasses and costs of them depending upon where you live.
When i left Boston, B20 was cheaper than #2. 50 cents of cost for #2 was state and federal taxes. Dyno diesel is cheaper to make than gasoline. It is all government that is hiking the prices. E85 is not a promising future. Better to convert like you're doing.







