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View Full Version : can 9" handle big tires


bigrigdan
04-27-2005, 07:13 PM
i have 35's on my 78 bronco but i want to upgrade to 38's but will the 9" and the d44 be able to handle it

BeerBaron666
04-27-2005, 07:17 PM
I'd have to say the 9" should be ok, but the 44 won't hold up very well. Do you have lockers? if you don't your 44 stands a better chance trust me[xx(]

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Squishy
04-27-2005, 07:25 PM
9" should last unless you do something really cool
44 should be allright unless you drive like beerbaron(and its open)

__________________________
1984 Bronco II, 302, NP435,NP208 Doubler, NP205,5.13 Dana 44/8.8 Fullwidth, Detroit, Coil Front, 36" Militarys
LOCKED AND LOADED!

Shenanigans!

crimsen
04-28-2005, 03:04 PM
9" can do around 40's i think it was, but the 44 will start to die after 37's ish. depending on how much ya like the right peddle, and how much beer ya have had.


------------------------
79 F150 custom
l/s dana 44 under 4" BDS coils
welded 9" under 4" arched leafs.
4.56 gears
35x16 tsl boggers
351 m with edelbrock performer 400 intake and edelbrock 600 carb
on board air
np 205 T case
np 435 tranny

For Off Road Driving

bigrigdan
04-28-2005, 07:54 PM
ok so if i were to upgrade my front what should i do and the back if needed. what would be recomended .

Squishy
04-28-2005, 09:28 PM
dana 60 from a 70's 1 ton and a sterling 10.25 out of an 80-96ish 1 ton, or a 14 bolt, but the sterling is better in my opinion(35 spline vs 30? i think it is). that sucker wont brake for nothing, STranger runs the sterling and ive never seen him have a problem with it.

__________________________
1984 Bronco II, 302, NP435,NP208 Doubler, NP205,5.13 Dana 44/8.8 Fullwidth, Detroit, Coil Front, 36" Militarys
LOCKED AND LOADED!

Shenanigans!

brandonf250
05-02-2005, 02:17 PM
Les Cole runs the sterling rear end with a big block and 44'S and the only problem he has mentioned is that he twisted the housing and it never even broke an axel,he drove it home,id say the are stronger than a 14bolt!

Squishy
05-02-2005, 05:12 PM
14bolt is 30spline, sterling is 35 spline

__________________________
1984 Bronco II, 302, NP435,NP208 Doubler, NP205,5.13 Dana 44/8.8 Fullwidth, Detroit, Coil Front, 36" Militarys
LOCKED AND LOADED!

Shenanigans!

Rebulon Refurbulater
05-25-2005, 04:03 PM
i ran 36 vswampers with arb in dana 30 front and 44 rear cj5.......broke a coupl a outer u joints and axles under extreme right foot stuff...also had a 350 in it.....44 should be ok if you dont jump it.....what motor do you HAVE?......i personally run 60 and sterling but its not totally necessary....in my opinion

For Sale 38.5x12.5x16.5 tsl sx super swampers on steel 8 lug rims..S.S brush guard for dodge pu...7"springs for super duty...like new ...send me a msg.
Wheelin',Workin',........oh yeah....Sex!

u2slow
05-25-2005, 05:53 PM
Sterling isn't so hot for sliding over rocks.


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58.74spudKB

IMO, bolt in a smooth-case D70 (80-85ish F250/F350)

You'll get more life out of the D44 if you don't play throttle-jockey with the wheels locked over. ;)

m j
05-25-2005, 06:41 PM
neither is a 14ff
the best rear axle is a dana 70
when I find abother one I am gonna ditch this 14ff

_________________________
I am trying to feel sorry for you but I just can't seem to do it.

68 bronco
05-25-2005, 06:52 PM
How much stronger are the d44's with cromoly axles? Will they take a little abuse locked on 38's? I would hate to start over, almost have everything to put the front diff together finally. Also running a bb 9" spooled with 31sp yukon axles also 4.56's 38x12.5 tsl sx's.

crimsen
05-25-2005, 07:01 PM
the only problem with going to the chromo axel shafts, is you will still break em, just take a good bit more work (i think they are 30% stronger, but no quoting me on that) what will you be useing the vehicle for ? mud? rocks? trails ? and another thing with fully goin all out on the 44 is that eventually you will wanna upgrade to bigger yet, and then you are out that much more because you will need better.

------------------------
79 F150 custom
l/s dana 44 under 4" BDS coils
welded 9" under 4" arched leafs.
4.56 gears
35x16 tsl boggers
351 m with edelbrock performer 400 intake and edelbrock 600 carb
on board air
np 205 T case
np 435 tranny

For Off Road Driving

68 bronco
05-25-2005, 07:10 PM
Well I guess I should have done a little more research before looking for a direct swap. My truck came with a d30 and drum brakes, I found a d44 wih disks out of a 77 so it seemed like a good idea at the time. I am only short a locker and u-joints before I assemble the front diff, everything is brand new. I guess I will have to keep the alcohol consumption under one case when wheeling.

Broncoo
05-25-2005, 07:48 PM
tack weld the u-joint caps right to the axles this will stop em from spitting out which is normally what happens

trying to get where i want to be

for sale:
3 ford np203-205 doubler adapters
REDUCED
$400each OBO!!!

bigrigdan
05-25-2005, 08:55 PM
i just bought 38's now for my truck and the 9" is in the shop gettin fixed so i just have to worry about getting either another D44 or something better for the front.