Engine build dates
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New User
Joined: Dec 2003
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From: So Cal
Engine build dates
I have a 2004 F-250 SD Crew Cab. The date on the valve cover driver side is Aug 15, 2003. Is this an 03 motor or an 04? VIN is 1FTNW20P14EA55370. Now, having asked this question, what improvements were made in the 04 build?
Thanks in advance for any and all replies.
Thanks in advance for any and all replies.
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Joined: Sep 2003
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From: Santa Cruz Mts. CA
you have a late build 03 engine [has the good C95 injectors] 04 motors did not go into production trucks prior to Sept 29th 03 [first released 04 motor date from IH]
they moved some components in th 04 changed the turbo a bit in other words they tweaked it
they moved some components in th 04 changed the turbo a bit in other words they tweaked it
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Joined: Dec 2003
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Hello,
I have a March 03 6.0 that doesn't get good fuel mileage, my VIN # is 1FTNW21P23EC50908. I was told by my local dealer it was because I was using 15-40 Delo oil. I was also told Ford won't do anything about poor fuel mileage. I get anywhere from 14-17 mpg, mostly around 15.2. I have almost 16,000 on it is there anything I can do to improve this?
I also am thinking of replacing my wife's 7.3 and am a little apprehensive of purchasing a new 6.0. I understand that the injection system is being revamped. Is this true?
Thank you,
I have a March 03 6.0 that doesn't get good fuel mileage, my VIN # is 1FTNW21P23EC50908. I was told by my local dealer it was because I was using 15-40 Delo oil. I was also told Ford won't do anything about poor fuel mileage. I get anywhere from 14-17 mpg, mostly around 15.2. I have almost 16,000 on it is there anything I can do to improve this?
I also am thinking of replacing my wife's 7.3 and am a little apprehensive of purchasing a new 6.0. I understand that the injection system is being revamped. Is this true?
Thank you,
Posting Guru
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From: South Central In.
Originally posted by Mark2003
A: I get anywhere from 14-17 mpg, mostly around 15.2.
B: new 6.0. I understand that the injection system is being revamped. Is this true?
A: I get anywhere from 14-17 mpg, mostly around 15.2.
B: new 6.0. I understand that the injection system is being revamped. Is this true?
B: Yes...to an extent....
Senior User
Joined: Jun 2003
Posts: 401
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From: Stockton, CA.
Originally posted by Mark2003
Hello,
I have a March 03 6.0 that doesn't get good fuel mileage, my VIN # is 1FTNW21P23EC50908. I was told by my local dealer it was because I was using 15-40 Delo oil. I was also told Ford won't do anything about poor fuel mileage. I get anywhere from 14-17 mpg, mostly around 15.2. I have almost 16,000 on it is there anything I can do to improve this?
I also am thinking of replacing my wife's 7.3 and am a little apprehensive of purchasing a new 6.0. I understand that the injection system is being revamped. Is this true?
Thank you,
Hello,
I have a March 03 6.0 that doesn't get good fuel mileage, my VIN # is 1FTNW21P23EC50908. I was told by my local dealer it was because I was using 15-40 Delo oil. I was also told Ford won't do anything about poor fuel mileage. I get anywhere from 14-17 mpg, mostly around 15.2. I have almost 16,000 on it is there anything I can do to improve this?
I also am thinking of replacing my wife's 7.3 and am a little apprehensive of purchasing a new 6.0. I understand that the injection system is being revamped. Is this true?
Thank you,
Find another dealer
If I'm not mistaken ford uses delo 400 and bottles it under motorcraft for diesel engine oil.
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From: Stockton, CA.
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Junior User
Joined: Nov 2003
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From: Canada
Originally posted by Mark2003
Hello,
I have a March 03 6.0 that doesn't get good fuel mileage, my VIN # is 1FTNW21P23EC50908. I was told by my local dealer it was because I was using 15-40 Delo oil. I was also told Ford won't do anything about poor fuel mileage. I get anywhere from 14-17 mpg, mostly around 15.2. I have almost 16,000 on it is there anything I can do to improve this?
I also am thinking of replacing my wife's 7.3 and am a little apprehensive of purchasing a new 6.0. I understand that the injection system is being revamped. Is this true?
Thank you,
Hello,
I have a March 03 6.0 that doesn't get good fuel mileage, my VIN # is 1FTNW21P23EC50908. I was told by my local dealer it was because I was using 15-40 Delo oil. I was also told Ford won't do anything about poor fuel mileage. I get anywhere from 14-17 mpg, mostly around 15.2. I have almost 16,000 on it is there anything I can do to improve this?
I also am thinking of replacing my wife's 7.3 and am a little apprehensive of purchasing a new 6.0. I understand that the injection system is being revamped. Is this true?
Thank you,
Cheers,
Enjoy
Senior User
Joined: Aug 2003
Posts: 194
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From: WI
I also have a march- 24- 03 hunstville build date getting between high 14's-17's no problems at 9000 miles never been back to dealer from the date of purchase. And with all these reflash problems I hope never have to bring it in.
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