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We have Engo 10k Synthetic IN STOCK!!! Hurry while supplieCustom Axle Work at CCORJEEP Gear Change Packages From ROCKRIDGE 4WD. We Are DIFF

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Unread 03-06-2013, 08:05 AM   #1
Jclilk
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Danas to 35s?

Hello guys, Im having a little set back on buying my new tires for my CJ7. I wanna buy the BF Goodrich All Terrain or Mud Terrain but im so undecided on that part. But the thing that is ticking me is that i wanna go up from 33s to 35s ive got 15in rims. so i wanna my question is would my stock danas be injured if i got up to 35s? the jeep has a stock dana 44 in the back and 30 in the front

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Unread 03-06-2013, 08:31 AM   #2
twinstickd20
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Depends on your plans. I have had 35s on mine for about two years and wheel it hard 3 or 4 times a year.
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Unread 03-06-2013, 08:36 AM   #3
CSP
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Your rear axle will be fine. The front will be fine with 35s also as long as you're not abusing it. Don't stomp down on the skinny pedal with the steering turned tightly one direction or the other.
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Unread 03-06-2013, 08:48 AM   #4
twinstickd20
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Quote:
Originally Posted by CSP
Don't stomp down on the skinny pedal with the steering turned tightly one direction or the other.
Yeah they don't tend to like that too well
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Unread 03-06-2013, 11:23 AM   #5
ColdSteel85
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I'm running 37.5x 13.5 on an AMC 20 and D30. Have had no problems besides I haven't changed ring and pinion yet and have no power in 4th or 5th gear! Laugh! If you go to 35's and you haven't already swapped out factory gears you may look into that.
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Unread 03-06-2013, 06:53 PM   #6
Jclilk
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Yeah i dont go mudding hard like all i would do is put it off road (grass, and rocks) nothing serious maybe 4 times a year at most.
Also but i do have stock gears from factory it wouldnt matter?
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Unread 03-06-2013, 07:12 PM   #7
ColdSteel85
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Depending what your factory gears are? You may run into some power issues on the top end. With 37's when I put it in 4th gear RPMs drop to around 1200 and there is no pull at all. Right now I mainly cruise around town and don't need much more than 3rd gear anyhow. There are a lot of threads and info on this site and the net to help you decide and recommendations for ring and pinion relate to tire size related to application of vehicle. There is also literature that will explain how you can figure your current/factory gear ratio if you don't already know. Hope this helps. I'm know expert, still learning myself but have been reading a ton and own my second CJ now. Good Luck!
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Unread 03-06-2013, 07:54 PM   #8
BagusJeep
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35s with no gearing changes will make it a very poor drive on highway or off. Gutless, lugging, guzzling lump of rust....... just a few words you may be muttering each time you go for a drive.

Lots of info on here about what you need to do to fit 35s properly. $k s.

Have you got the lift organised? And the body mods for clearance, brake mods for stopping, steering mods, engine mods to drive it etc?

Unless you are willing to commit to all the expense you may find on a late model emissions equippped 258 that 31" tyres are all you can fit. They look very nice on 31" tyres and drive well.
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Unread 03-06-2013, 07:59 PM   #9
brownbagg
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your 44 and 30 are about the best and only factory option, not talking about custom maded or modified. there are thousands of jeeps running around with 35, it be fine
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Unread 03-06-2013, 09:47 PM   #10
StringFellow
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If you find a set of 35" BF Goodrich ALL TERRAIN's let me know. I called every tire shop from New York to Los Angeles and that size is on a "temporary manufacturing stop" whatever that means. To me it meant I couldn't buy a set for my CJ. Bummer because its a great tire. I ended up buying a set of 35x12.5x15 Falkens from a local shop. You'll need to re-gear if you ever want to use fifth gear on the highway again though.
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Unread 03-06-2013, 09:51 PM   #11
CoryA
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Quote:
Originally Posted by brownbagg
your 44 and 30 are about the best and only factory option, not talking about custom maded or modified. there are thousands of jeeps running around with 35, it be fine
What he said

Quote:
Originally Posted by BagusJeep
35s with no gearing changes will make it a very poor drive on highway or off. Gutless, lugging, guzzling lump of rust....... just a few words you may be muttering each time you go for a drive.

Lots of info on here about what you need to do to fit 35s properly. $k s.

Have you got the lift organised? And the body mods for clearance, brake mods for stopping, steering mods, engine mods to drive it etc?

Unless you are willing to commit to all the expense you may find on a late model emissions equippped 258 that 31" tyres are all you can fit. They look very nice on 31" tyres and drive well.

And yes it's not ideal to put 35s on without a regear but I put 35s on one of my jeeps with a stock 258 and stock brakes and a crappy 4" rouch country lift its not that bad I have 4.88 and some 1 piece axles in the garage waiting to go in but the stock setup has worked fine for the past 5 years everyone on this forum is going to suggest bigger and better you can only know from your experience good luck and expect some hiccups in the steering and power area
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Unread 03-06-2013, 09:55 PM   #12
Jclilk
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Quote:
Originally Posted by ColdSteel85 View Post
Depending what your factory gears are? You may run into some power issues on the top end. With 37's when I put it in 4th gear RPMs drop to around 1200 and there is no pull at all. Right now I mainly cruise around town and don't need much more than 3rd gear anyhow. There are a lot of threads and info on this site and the net to help you decide and recommendations for ring and pinion relate to tire size related to application of vehicle. There is also literature that will explain how you can figure your current/factory gear ratio if you don't already know. Hope this helps. I'm know expert, still learning myself but have been reading a ton and own my second CJ now. Good Luck!
well i cant find any where that tells me the gear ratio on my inline 6 258 T5 Transmission with amc 30 infront and dana 44 in the back
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Unread 03-06-2013, 09:57 PM   #13
Jclilk
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I guess ima stay with 33x12.5x15 than less money :>
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Unread 03-06-2013, 10:01 PM   #14
Jclilk
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ive got a 4inch lift on mine but i dont know the brand of lift the last owner didnt remember SMH!! but it runs smooth for a cj hahaha, i never go on highways with my CJ and im always crusing on 4th gear 45-50mph never exceeding 55 so i dont abuse my CJ (only when i get road range cause of female drivers or i do go on the highway wich i go up to 60-65 on 5th but thats rare.) thats why i thinking of 35 tires
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Unread 03-06-2013, 10:11 PM   #15
BagusJeep
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Quote:
Originally Posted by Jclilk View Post
well i cant find any where that tells me the gear ratio on my inline 6 258 T5 Transmission with amc 30 infront and dana 44 in the back
T5 box probably has:
4.03:1, 2.37:1, 1:50:1, 1.00:1, .86:1, Rev 3.76:1

A Dana 44 could have a number of ratios from the factory. You could crawl under to read the tag on the diff, raise the wheels and rotate the driveshaft or take off the cover and count teeth.
axle-ratios.jpg  
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1981 J20 258ci - Gladys
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