Door Tag numbers
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
Your owner's manual is the place to decode the information there. If you don't have one, post back here with specific questions, and someone will answer them - or you can search for them.
Senior User
Joined: Jul 2003
Posts: 299
Likes: 2
From: central valley California
The door tag is the vehicle (truck Safety compliance certification label..along with what your vehicle came equiped from the factory with as that there are several models or variants of the F 150,250,350
you can find information regarding axle code, tranny code, engine code, paint codes, and springs, along with type of smog equipment,body style, engine type, calibration data for egr and gross weight and tow cap
you can find information regarding axle code, tranny code, engine code, paint codes, and springs, along with type of smog equipment,body style, engine type, calibration data for egr and gross weight and tow cap
Senior User
Joined: Sep 2004
Posts: 484
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From: SC lowcountry
Try this - it's under articles specs at top of screen.
https://www.ford-trucks.com/article/...r_Decoder.html
https://www.ford-trucks.com/article/...r_Decoder.html
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Freshman User
Joined: Jan 2005
Posts: 33
Likes: 0
From: Harrisburg, PA
Originally Posted by 95X15
Try this - it's under articles specs at top of screen.
https://www.ford-trucks.com/article/...r_Decoder.html
https://www.ford-trucks.com/article/...r_Decoder.html
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Freshman User
Joined: Jan 2005
Posts: 33
Likes: 0
From: Harrisburg, PA
I just found it, so I have 3.31 gears. I have found that it feels somewhat week when towing. What could I jump up to to get more out of the truck??
Last edited by royale5; Sep 27, 2005 at 08:09 PM.
Fleet Owner
Joined: Aug 2005
Posts: 23,666
Likes: 301
From: Easton,Ks
I have a 302 and 4R70W Transmission in a '95 also, you could go to 3.55:1 and that would give a little more power. This what I was going to be changing to before the gas prices went up but now I will stay with the 3.31:1 and just make it LS.
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Freshman User
Joined: Jan 2005
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From: Harrisburg, PA
The truck is not my daily driver so I am not too concerned with mileage. I just want to be able to tow w/o straining the truck. Are 3.55 1 step up? What would be the next up from 3.55?
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Fleet Owner
Joined: Aug 2005
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From: Easton,Ks
Originally Posted by royale5
The truck is not my daily driver so I am not too concerned with mileage. I just want to be able to tow w/o straining the truck. Are 3.55 1 step up? What would be the next up from 3.55?
With 4.10:1 the engine will wrap up fast and you top speed will be down but you can pull a lot more. Might want to put on some more spring also.
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Freshman User
Joined: Jan 2005
Posts: 33
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From: Harrisburg, PA
Originally Posted by subford
After 3.55:1 the next would be 4.10:1.
With 4.10:1 the engine will wrap up fast and you top speed will be down but you can pull a lot more. Might want to put on some more spring also.
With 4.10:1 the engine will wrap up fast and you top speed will be down but you can pull a lot more. Might want to put on some more spring also.
Fleet Owner
Joined: Aug 2005
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From: Easton,Ks
Originally Posted by royale5
I think I may go with the 3.55, what do you meen by put on some more spring?? Sorry for the noob questions.
Last edited by subford; Sep 28, 2005 at 10:06 AM.
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
If you're putting so much weight in a truck that you're worried about breaking the springs, then you need a bigger truck. Overloading a vehicle to that point is not safe and can get you into a lot of legal trouble, especially if you're involved in an accident.
Going from 3.31 to 3.55 will not net you much at all. Going to 4.10's will be much more noticable. Since you're going to be paying $500 per axle for the change, I would advise not spending the money unless it's going to make a significant difference.
Going from 3.31 to 3.55 will not net you much at all. Going to 4.10's will be much more noticable. Since you're going to be paying $500 per axle for the change, I would advise not spending the money unless it's going to make a significant difference.
Fleet Owner
Joined: Aug 2005
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From: Easton,Ks
Originally Posted by jscarb2
there should also be the 3.73:1 option if i am not mistaken
I have vehicles running 9" 3.25:1 LS, 8.8" 3.31:1, 3.55:1 LS and Dana 4.10:1, they are all in 150's except the 4.10:1 and they are in a 250 & a 350.
Last edited by subford; Sep 28, 2005 at 02:21 PM.