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Old 03-05-2014, 01:00 PM
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Questions and Advice

Alright, you Ford guys got me. I've been driving Chevy/GMC my whole life. I've had Super Duty's for work and have always been impressed. So I am looking at buying one for the first time as a personal vehicle. The truck I am looking at is a 2008 F-250 Harley Davidson Edition with a 6.4 Diesel with around 60,000 miles.. Here are my questions:

1- Does the F-250 have a straight front axle like the F-350?

2- If not, how well does the front suspension carry the wieght of the diesel?

3- Is there any common problems with these trucks?

4- What the hell is EGR/DPF delete? (Sorry never had a diesel) and why would you do it?

5- In your opinion, from the description above, how much should I pay for this truck?

6- Whats the best programmer for SAFELY getting around 50 to 75 more horse within a normal guys budget? I dont race my trucks, thats what cats are for.

7- What size and brand exhaust should I run? Do you guys run mufflers?!

Thats it for now, I greatly appreciate any advice and or help. Sorry if my questions seem stupid, I just dont know much about FORD.
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Old 03-05-2014, 04:50 PM
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1.Same suspension as the f350.
2.
3. Common problems. Dpf (diesel particulate filter) clogs and stays in cleaning mode. Cleaning mode (aka regeneration, or regen) uses diesel fuel dumped into two cylinders on the exhaust stroke so that it pushes it into the exhaust then burns it to convert soot into a fine ash and blows it out the exhaust. This process produce very high temps which long term causes other problems.
Other problem are leaking radiators, leaking egr coolers(not as common as some people let on) high pressure fuel pumps are known to go if the fuel system isn't religiously maintained(changing filters every 10000 miles or sooner and draining water/ fuel seperator monthly).

4.biggest reason for egr and dpf delete is reliability. Egr(exhaust gas recirculation) dumps exhaust gas back into the intake in an attempt to lower emissions output. Bit good for the engine. Coats the intake manifold and sensors with an oily black mess. I recommend deleting. Off-road tuners also shut the egr off so it's not operating but still in place.
The dpf which I tried to explain is the biggest problem with these trucks and most people will agree that it's best it delete if possible. Some places make it hard to do because it's required by the EPA and the truck won't pass emissions inspections without it. Also you need an off-road tuner for the truck to run without the the dpf and egr. Best tuners for egr and dpf delete is the H&S, Spartan and sct with custom tunes. These run anywhere from $1200 to $1800. For the off road versions. They getting hard to find and the prices are going up.
5. In my area I would expect to pay from 30,000 to $35,000.
6.best programmer ^^. All of them offer tunes from 50hp to 300hp.
7. Good exhaust brands. Mbrp, diamond eye, flo pro, and more. All about the same. They offer stainless and aluminized steel. Up north go with stainless and if you live south aluminized is fine.
Assuming you are deleting dpf. Want quiet? Leave muffler and get a dpf delete pipe(and tuner of course), Or a 4" system. Louder? Straight pipe with 5" system. Most people will also recommend a down pipe also to increase flow and reduce egts. It's almost useless to put any type if exhaust system in if you are not deleting the dpf, unless you are going for looks. The sound won't even change much the dpf in place.

This is the best I can do in an attempt it explain on one shot. There is also a sticky thread at the top of the page by country aggie that explains this quite well.
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Old 03-05-2014, 05:06 PM
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Quote:
Originally Posted by Lipka101 View Post
1.Same suspension as the f350.
2.
3. Common problems. Dpf (diesel particulate filter) clogs and stays in cleaning mode. Cleaning mode (aka regeneration, or regen) uses diesel fuel dumped into two cylinders on the exhaust stroke so that it pushes it into the exhaust then burns it to convert soot into a fine ash and blows it out the exhaust. This process produce very high temps which long term causes other problems.
Other problem are leaking radiators, leaking egr coolers(not as common as some people let on) high pressure fuel pumps are known to go if the fuel system isn't religiously maintained(changing filters every 10000 miles or sooner and draining water/ fuel seperator monthly).

4.biggest reason for egr and dpf delete is reliability. Egr(exhaust gas recirculation) dumps exhaust gas back into the intake in an attempt to lower emissions output. Bit good for the engine. Coats the intake manifold and sensors with an oily black mess. I recommend deleting. Off-road tuners also shut the egr off so it's not operating but still in place.
The dpf which I tried to explain is the biggest problem with these trucks and most people will agree that it's best it delete if possible. Some places make it hard to do because it's required by the EPA and the truck won't pass emissions inspections without it. Also you need an off-road tuner for the truck to run without the the dpf and egr. Best tuners for egr and dpf delete is the H&S, Spartan and sct with custom tunes. These run anywhere from $1200 to $1800. For the off road versions. They getting hard to find and the prices are going up.
5. In my area I would expect to pay from 30,000 to $35,000.
6.best programmer ^^. All of them offer tunes from 50hp to 300hp.
7. Good exhaust brands. Mbrp, diamond eye, flo pro, and more. All about the same. They offer stainless and aluminized steel. Up north go with stainless and if you live south aluminized is fine.
Assuming you are deleting dpf. Want quiet? Leave muffler and get a dpf delete pipe(and tuner of course), Or a 4" system. Louder? Straight pipe with 5" system. Most people will also recommend a down pipe also to increase flow and reduce egts. It's almost useless to put any type if exhaust system in if you are not deleting the dpf, unless you are going for looks. The sound won't even change much the dpf in place.

This is the best I can do in an attempt it explain on one shot. There is also a sticky thread at the top of the page by country aggie that explains this quite well.
^^^uh what he said
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Old 03-05-2014, 05:14 PM
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Well that was covered real well! I also suggest looking at the sticky. I tried to put a some time into it to answer most of the questions. If you come across anything that doesn't make sense let me know so I can try to clarify it for you and others in the future.


Sent from AutoGuide.com App
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Old 03-05-2014, 10:18 PM
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Quote:
Originally Posted by CountryAggie View Post
Well that was covered real well! I also suggest looking at the sticky. I tried to put a some time into it to answer most of the questions. If you come across anything that doesn't make sense let me know so I can try to clarify it for you and others in the future.


Sent from AutoGuide.com App
^^^^go to his sticky.
As already said, it is a solid front axle. GM/Chevy are the only ones not running a solid front axle (they run IFS).
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Old 03-06-2014, 05:17 AM
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Thanks guys! This, and they sticky thread tell me everything I need to know!
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