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Old February 4th, 2008, 03:01 AM   #1
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Default The new 6.4L PSD's

So my dad just bought a 2008 f-250 with the 6.4 in it. I dont know much about these new motors...pros? cons?
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Old February 6th, 2008, 03:03 PM   #2
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Powerful, very complicated. I dunno of any feedback regarding the reliability tho since I dont work in the building with ford hotline anymore. I sure as hell wouldnt want to have to put injectors in one tho :lol: The trucks they came in are pretty friggin sweet tho, especially the F450s :drool:
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Old February 12th, 2008, 06:33 PM   #3
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Yea ford came a long way since 99 when they revamped their body styles and interiors. They are so much more comfortable now...Im definately impressed so far!!!
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Old February 12th, 2008, 06:48 PM   #4
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i don't like ford that much but if i were to buy a ford diesel it would be a 6.0 or 7.3 over the new one...besides if you compare side by side the specs from a duramax versus the ford 6.4 and the chevy has it beat ever so slightly in HP and TQ. http://www.chevrolet.com/pop/silvera...duramax_en.jsp
http://www.fordvehicles.com/util/uad...=14101&nType=1
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Old February 12th, 2008, 07:41 PM   #5
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6.4 has been around for a little while now. There were some early problems with turbos locking up from sitting on the lots too long without being run. I think that's all been sorted out now. So far it is way better from a reliability standpoint than the 6.0 it replaced! Plus, how cool is it to have twin turbos on your rig?!
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Old February 16th, 2008, 11:45 PM   #6
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the 6.4 is a major upgrade to the 6.0..that was a piece for sure. the sequential turbos are a pretty cool design...but i love those old 7.3s those were bulletproof...
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Old February 16th, 2008, 11:47 PM   #7
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oh plus i loved when we first got those new sd trucks in before they fixed the flame problem..nothing like seeing one of those sweet trucks shooting flames out the tailpipe!!!
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Old February 17th, 2008, 12:09 AM   #8
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I'm not a fan of the 6.0 for your dad's sake I hope the 6.4 is better. We have an 05 550 at work with 60k on it and so far all of the injectors have been replaced and so has the turbo. It was pretty cool when it was shooting flames out of the tail pipe.
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Old February 17th, 2008, 10:46 AM   #9
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rick, you never saw flames shooting out of one of them! we had exactly 0 of them doing that at the dealer. they are pretty damn powerful. i am impressed with their performance. and like stated before twin turbos are just plain cool. :)
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Old February 18th, 2008, 03:04 PM   #10
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matt i was talking about how the majority of the first shipment had to go back and couldnt be sold right away...and yes i only saw videos from other dealers online with the flames shooting away but it was still pretty damn sweet....i heard the dealer downstate had a problem when a lot guy left one running close to a escape on their lot and warped the rear bumper not from flames but the pure fact that the exhaust gases was super hot
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Old February 18th, 2008, 05:38 PM   #11
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thats kinda one of those things they tell ya not to do. What was it like 750 degrees coming out of there ? Something retarded I'll never park next to one of them sons a bitches.
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Old February 18th, 2008, 06:35 PM   #12
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This would be pretty cool!! wait till they pull it up and it really barks a flame

http://youtube.com/watch?v=321LwkM7i90
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Old February 19th, 2008, 08:33 PM   #13
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I went to a class about the new emissons systems on the diesel trucks and the exhaust temp inside the particulate filter has to reach temps over 1200 degrees to burn off the soot. The temp out the tail pipe is a little lower but still way too hot. Thats why they have those stupid tips on the tail pipe to let air in to cool it down some. When the truck goes into active regeneration it sprays a small amout of diesel fuel in the cyl when the exhaust valve is open to heat up the particulate filter. Thats one of the reasons these new trucks don't get as good of fuel milage as the older trucks. All of the new emissions and electronics keeps me busy at work so it must be good!
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Old February 19th, 2008, 10:08 PM   #14
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why doesnt anyone like those good ol wide open diesel black clouds anymore??? i love it when i see diesels doing that..ALOT of power...lol
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Old February 19th, 2008, 10:12 PM   #15
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Quote:
Originally Posted by 01explorerrick View Post
why doesnt anyone like those good ol wide open diesel black clouds anymore??? i love it when i see diesels doing that..ALOT of power...lol
Black smoke means wasted, unburned fuel.
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Old February 19th, 2008, 10:39 PM   #16
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White/gray smoke is raw unburnt fuel. Black smoke is rich fuel mixture but is has burnt. It's very important information when diagnosing diesel engines.
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Old February 20th, 2008, 05:38 PM   #17
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i never had a diesel but whenever i saw one at the track i went to in wisconsin they always spooled like hell and bellowed black smoke..

is that something that is bad...always thought that was because they were monsters...lol
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Old February 20th, 2008, 08:29 PM   #18
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Quote:
Originally Posted by 01explorerrick View Post
i never had a diesel but whenever i saw one at the track i went to in wisconsin they always spooled like hell and bellowed black smoke..

is that something that is bad...always thought that was because they were monsters...lol
Yes it can be bad to have lots of black smoke from a diesel. Black smoke is usually followed by hot exhaust temp which will eventually melt pistons or could cause rings to stick and scuff cylinder walls. Usually black smoke on a stock truck is caused by lack of boost from the turbo. On a modified diesel usually its caused by too small of turbo for the fueling box that is on the truck. More fuel needs more air. My cummins has injectors, delivery valves and a modified stock turbo and has hot exhaust temp at over 2500rpm because the turbo goes out of its efficient compressor map. Just because the modified stock turbo can make 45psi boost does not mean it is efficient. The turbo outlet air temp to the engine may go up to over 600 degrees and when your max exhaust temp should not exceed 1350 to 1400 degrees that hot air coming into the engine does not help. My 2007 duramax with 5 inch exhaust and a pcm reprogram is quicker than most of the trucks that I've raced in this area and the other trucks usually are belching black smoke. You don't always need smoke to make power.
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Old February 21st, 2008, 06:05 AM   #19
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lmao i like that theory smoke=power , no wonder my 87 350 chevy pickup was a power house that thing smoked like a bitch on start up and here I thought it was just valve seals and all this time it's because it had a secret blower on it. lmao couldnt resist.
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Old February 21st, 2008, 01:43 PM   #20
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wow cerb you are a complete moron...we were talking about DIESEL TRUCKS not your chevy 350 i didnt say i thought they had alot of power because they smoked i just thought that bellowing black smoke was a caused by making a monster diesel...apparently alot of guys dont turn it right and there is really no benefit from it other than making everyone cough.


your truck smokes because its tired and needs to be rebuilt and that reason only..
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