Gear ratio
Registered User
Joined: Nov 2012
Posts: 16
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From: Mississippi
I'm not sure when or if the gears were changed. All I know is what is on the tags. My front pulls very strong when engaged and drags the back end. That's how I know its different. And ihavnt used it since. ButI aint no stranger to wrenches or mechanics. The. Front tag says 3.54 and the rear says 3.55 one of them are lies. Lol
Record Breaker
Joined: Nov 2011
Posts: 1,898
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From: Cle Elum, WA
I'm not sure when or if the gears were changed. All I know is what is on the tags. My front pulls very strong when engaged and drags the back end. That's how I know its different. And ihavnt used it since. ButI aint no stranger to wrenches or mechanics. The. Front tag says 3.54 and the rear says 3.55 one of them are lies. Lol
The same happens with a Dana axle and Ford 9" axle.
I agree with Hey You about having someone there that knows what they are doing or taking it to a shop. When I started doing gears I worked with a mechanic that had been doing gears for 30 years. He watched me/coached me for my first three axles plus spot checked my work on 2 more axles. It isn't something you just do. On top of which you need the proper tools to do the work. If you don't have the tools then you either have to buy them which adds to the expense or rent or borrow them.
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All Star
Joined: Sep 2012
Posts: 769
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From: North Dakota
Unless a Dana 44 in a Dodge is different than a Ford or Jeep then no you do not have to grind anything. And it doesn't matter if you have regular or thick gears. I have put 5.13 and 5.38 gears in Dana 44 axles with no problem. The diameter of the ring gears doesn't change with the gear ratio. The only thing that happens is the amount of gears.
If you were closer Blue I'd have you come over for a weekend and we could do your gears.
If you were closer Blue I'd have you come over for a weekend and we could do your gears.
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All Star
Joined: Sep 2012
Posts: 769
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From: North Dakota
Hello everyone. I'm getting ready to dive into my rear diff on my truck. I've never worked on a rear end before. So I'm a bit timid on the topic. I don't know what gear I have in there all I know is at 70mph my rpm are at 1800. I can't go into 4x4 due to the rest doesn't match the front. From the experience on this thread what are some key points to watch out for?
Professional
Joined: Apr 2014
Posts: 185
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From: Newton grove nc
Well ill chime in I have 3.55 rear 3.54 front the correct way it should be the front will be just a bit lower to pull the truck at 70 mph I'm at 1950 rpm this with the 305/70/16 ( 32.8/12.50/16
Registered User
Joined: Nov 2012
Posts: 16
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From: Mississippi
I didn't adjust the TV cable. But when I got the truck the seller told me he put highway gears in it. He just didn't know what they are. So before I go ripping the chunks apart I'd like to know are there any identification marks on the ring gear?