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Old 07-07-2012, 07:02 PM   #1
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dana44 question

can i run a 33 inch tire with the stock dana 44 or would it have to be re geared? iv heard yes and no

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Old 07-07-2012, 07:07 PM   #2
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What gearing/motor/tranny do you have now.

My Jeep has is a 6 cyl with a 5 speed stick and a Dana44 with 3.73 gears
When I move up to 33's I'm going to see how it feels. If I don't like it I'll save up to re-gear

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Old 07-07-2012, 07:10 PM   #3
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im not sure on the gearing iv heard they can have different ones just haven't crawled under there to look but its a 6cyl 5 speed. i was just hoping it could turn the 33s with out to much of a power loss since over here its expensive to have it re geared right
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Old 07-07-2012, 07:28 PM   #4
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Depends on what gears u have my 98 sport has a d35 and 3.73s which is what is widly recommended for 33s so I didn't have to regear so it really all depends on what gears you have u can find different methods to figure it out but if its a stock jeep and hasn't been regeared before easiest way is to just call the dealership and give them your vin, they can tell you gear ratio, if it has abs and if it has limited slip. Just fyi, but u can also just crawl under and check the tag, or lift the rear up and spin a tire one complete revolutions and count the revolutions of the drive shaft, number of times it goes around =gear ratio, 3 and a lil bit =3.07 almost 4 =3.73 ect.
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Old 07-07-2012, 07:31 PM   #5
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I'm sure you have 3.73 gears stock and that would work but you will loose gas mileage because the tire is heavier and you are also higher in the air therefore less airodynamics. The gear ratio is decided by three things: the engine size, tire size, and transmission.

The larger the axle the greater tire it will support before things start to break.
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Old 07-07-2012, 07:32 PM   #6
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If you have the D44 you should have 3.73. I have the same setup with 33 it is good but not ideal. 5th gear and a hill is a challenge, but I just down shift and its no proble.
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Old 07-07-2012, 07:37 PM   #7
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Quote:
Originally Posted by Mortalis5509
I'm sure you have 3.73 gears stock and that would work but you will loose gas mileage because the tire is heavier and you are also higher in the air therefore less airodynamics. The gear ratio is decided by three things: the engine size, tire size, and transmission.

The larger the axle the greater tire it will support before things start to break.
I hate to disagree but it depends on the transmission my auto actually got better milage after my lift and 33s than it did stock height with 31s
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Old 07-07-2012, 07:44 PM   #8
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hmm well my jeeps in Texas and i wont be back till Tuesday so ill crawl up under there and look at the tag but if it is a 3.73 i wont be sucking to much? the gas mileage isn't what concerns me . its just the power and how sluggish it would be that does.
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Old 07-07-2012, 08:07 PM   #9
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it'll roll and move with 3.73s. 4.56s would be best for your transmission with 33s.

either way you'll need to recalibrate the speedo by installing a new speedo gear.
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Old 07-07-2012, 08:12 PM   #10
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ya the sped o gear isn't to bad its the price of getting it re geared. that's
whats getting me
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Old 07-07-2012, 10:00 PM   #11
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Quote:
Originally Posted by 98 tj sport View Post
I hate to disagree but it depends on the transmission my auto actually got better milage after my lift and 33s than it did stock height with 31s
Did you change the speedo gear in the transfer case? If not then your mph are off therefore your miles are off so there is no way to porperly tell your mpg.
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Old 07-07-2012, 10:30 PM   #12
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Old 07-07-2012, 10:31 PM   #13
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Old 07-08-2012, 07:13 AM   #14
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Quote:
Originally Posted by Mortalis5509

Did you change the speedo gear in the transfer case? If not then your mph are off therefore your miles are off so there is no way to porperly tell your mpg.
Yea I did change it, its not a significant increase before the lift and 33s I was getting like 12 and now I get like 12.5-13.5, only thing I can figure is that since the tires are bigger the rpms aren't as high so it uses less gas, kinda acts almost like overdrive

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