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Re: Jana 76?
[Re: JohnRR]
#970769
04/11/11 09:38 PM
04/11/11 09:38 PM
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Joined: Oct 2008
Posts: 1,015
Down South
DaKuda
super stock
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super stock
Joined: Oct 2008
Posts: 1,015
Down South
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Quote:
If you are making enough power to break a dana 60 you have bigger things to worry about and spend money on ...
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Ultimate 60
[Re: DaKuda]
#970770
09/06/11 12:37 AM
09/06/11 12:37 AM
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Joined: Jan 2011
Posts: 4,785
Utah and Alaska
astjp2
OP
master
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OP
master
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
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Well I finally got my truck housing back from dutchman, I had him weld on billet big Ford ends so I can use Ford Explorer disc brakes. I picked up a Dana 70 powerlock and 3.55 ring and pinion. 45 minutes with and air grinder and it dropped it right in. I picked up a complete used disc set up from a 98 Mountaineer.   Total cost used 60 housing 50.00 dana 70 ring and pinion 95.00 dana 70 power lock 70.00 narrow housing 380.00 shipped to my door disc brakes 40.00 with rotors $635.00 total need to get shafts and bearings 380.00 Jana 76 bearing install kit 250.00 1265.00 to finish COOL FACTOR PRICELESS!
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Re: Ultimate 60
[Re: astjp2]
#970771
09/06/11 03:06 AM
09/06/11 03:06 AM
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Joined: Jul 2011
Posts: 781
wine country
8urvette
super stock
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super stock
Joined: Jul 2011
Posts: 781
wine country
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ahhhh, good old actual tech, it seems that there isn't much of this on this site... wonder why, I can got to many other sites, for ls-1's imports, jetskis, suzuki samurais, etc... and they all have really great tech on a constant basis. what gives? i know there is a wealth of knowledge here and you guys are great at answering tech ?'s, but the actual tech here leaves some to be desired, and the archives have little to no pics, makes it hard to understand it all. Please don't get me wrong I love this site for what it is, I just wish we could bring it up to date a lil more.
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Re: Ultimate 60
[Re: 340_Dart]
#970777
09/09/11 03:33 AM
09/09/11 03:33 AM
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Joined: Jan 2011
Posts: 4,785
Utah and Alaska
astjp2
OP
master
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OP
master
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
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quoted from Carl Jantz
1st the Benefits,
Your Ring & Pinion is 33% stronger! with no loss of ground clearance.
Dana rates the 60 @ 6000 Ft-lbs maximum momentary output torque. 35 spl HD.
Dana rates the 70 @ 8000 Ft-lbs maximum momentary output torque. Non HD.
That's a 2000 ft-lb increase in capacity.
Also if you have alloy axles, then your current week link is the most difficult and expensive part to repair ie, the ring & pinion. Lets not have that.
2nd the Cost,
The net cost is only $150 bucks, and a couple more hours labor.
If you compare the cost of a Dana 70 gear set and carrier/locker to the cost of a Dana 60 gear set and carrier/locker, you will find they are within few bucks of each other. Now if your gonna do this right then you need a new installation and bearing kit as well, this is gonna set ya back about $150.
The cost of a Jana 76 kit is only $300* (most kits, subject to change).
Thus net cost around $150.
Folks, this is a No brainer
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Re: Ultimate 60
[Re: astjp2]
#970781
09/15/11 01:07 PM
09/15/11 01:07 PM
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Joined: Sep 2011
Posts: 1
Poulsbo, WA
superjeep
member
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member
Joined: Sep 2011
Posts: 1
Poulsbo, WA
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Quote:
Well, I got the instructions. He changed the mounting for the pinion bearing and shims. I am struggling to figure it out. Hoping for an epiphany. I am also not real fond of using epoxy. Tim
The way the adapter race is stepped to go into the housing allows it to go deeper by approximately 3/8". I changed the design because I originally took some material off the cone and some off the cup. The cone had a failure, only in my rig because I ran 5.89 gears and there is less shoulder on the back of the pinion head to support the flange on the pinion cone and the flange cracked. I immediately worked out a solution and sent every one of my customers the new design. Several have questioned the epoxy. If you looked at the old design cup and new you will see the new design is actually thicker, and the old one did not use epoxy and did not need it. So I don't think its necessary for the new design. Still I want to have all the support around the bearing as possible. Loctite makes several products designed to retain bearings in bores that have become worn. I consulted with one of their applications engineers, and came up with the best product for the application. This stuff when mixed, cross-links and has the same load bearing capability as cast iron. It can be milled drilled or tapped. Here is some testing going on.
http://www.youtube.com/watch?v=rkX34tcSICs
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Re: Ultimate 60
[Re: Moparnut426]
#970784
09/02/12 03:24 PM
09/02/12 03:24 PM
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Joined: Jan 2011
Posts: 4,785
Utah and Alaska
astjp2
OP
master
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OP
master
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
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Well I tried to start installing the rear pinion bearing outer race today, i got about 30 seconds of mix time before it began to harden. He only incudes .12 oz of the mix cup, by the time I got half way around the race it was already clumping up and hardening. So now I have to try and get some more. Hopefully I can get something with a little more pot life.  I need to figure out what this LB-844B eposy is, I could not find it listed on the web. Everything else is ready to go once I get the race installed. Tim
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Re: Ultimate 60
[Re: astjp2]
#970785
09/03/12 02:03 PM
09/03/12 02:03 PM
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Joined: Aug 2003
Posts: 43,243
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,243
Bend,OR USA
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I put a Dana 70 in my 1963 bracket Belvedere way back when, it had 6.17 gears in it with a 35 spline posi, I switch the gears to a set of 5.13 The rear end came out of John Diana old G/Gas car when it had ladder bars and leaf springs, my car had SS leaf springs. I ran the car for a year or so and decided to try a 8 3/4 in it with 4.89 gears in it with a posi, the car picked up a ton, .8 and 7 MPH  The 8 /34 came out of a friends car that was a 340 4 speed car, he had fractured the ring gear teeth on the outer edges and I thought it would last one weekend of racing, WRONG  It broke a corner off a tooth on the second run and it ended up running in between the ring and pinion breaking them both  I ended up putting the Dana 70 back in and the car slow down to what it ran before. The Dana 70 is way heavier than the same width Dana 60 are  I did find out that the Dana 70 have two different offset ring and pinion, in the same ratio Make sure your gear sets are for the proper housing and posi spacing   
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Ultimate 60
[Re: astjp2]
#970789
09/04/12 02:32 PM
09/04/12 02:32 PM
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Joined: Aug 2003
Posts: 43,243
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,243
Bend,OR USA
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I'm not sure why that car picked up so much, I always thought it was the overall weight of the Dana 70 compared to the A body 8 3/4 As far as the carrier for the lower ratio gear sets versus the highr ratio I found out at a truck parts supply that you could have a Dana 70 with either carrier with the same ratio in the same year truck , stupid I think 
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Ultimate 60
[Re: astjp2]
#970791
09/04/12 09:56 PM
09/04/12 09:56 PM
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Joined: Aug 2003
Posts: 43,243
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,243
Bend,OR USA
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Quote:
Well I got ahold of Carl, he was nice enough to let me know what epoxy to buy, now I am hopefully going to get this put together over the next few weeks.
We discussed the offset, in the old days, befor the mid 70's there was a 5/8" and a 1/2" offset ring and pinions depending on who they were made for, this had nothing to do with the ratio's, just the carrier and gearsets.
Tim
 Thats is what I found
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Ultimate 60
[Re: astjp2]
#970793
12/30/12 11:42 AM
12/30/12 11:42 AM
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Joined: Jul 2010
Posts: 417
reynoldsburg,ohio
poppaj
mopar
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mopar
Joined: Jul 2010
Posts: 417
reynoldsburg,ohio
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Dana70 was installed in some muscle cars from the factory. My buddy bought a 70' 340 Duster 4sp. it had a Dana70 with 355's. I changed the gears to 4.10's, thought it was a pain to work on.
AA/NSS 65'Coronet "Whompin Wedge"
Pop & Son Performance 557" B-1 power
John Holt Chassis
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Re: Ultimate 60
[Re: poppaj]
#970796
12/31/12 12:54 PM
12/31/12 12:54 PM
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Joined: May 2008
Posts: 1,131
Thigh-Gap Junction
@#$%&*!
New user name, Same old jerk!
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New user name, Same old jerk!
Joined: May 2008
Posts: 1,131
Thigh-Gap Junction
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Quote:
Dana70 was installed in some muscle cars from the factory. My buddy bought a 70' 340 Duster 4sp. it had a Dana70 with 355's. I changed the gears to 4.10's, thought it was a pain to work on.
Everyone know that the only pass-car that was available with a Dana 70 is the rare Valiant with the 383 Hemi sixpack 
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Re: Ultimate 60
[Re: astjp2]
#970802
01/04/13 01:19 AM
01/04/13 01:19 AM
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Joined: May 2011
Posts: 625
Oakville, Wa
HOTMOPR
mopar
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mopar
Joined: May 2011
Posts: 625
Oakville, Wa
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Astjp2 I thought the Moutaineers had a metric bolt pattern? I am putting a dana70 in my cuda with a 35 spline locker. Your disc brake swap sounds right up my alley dollar wise. I havent had the rear narrowed yet so I could swap housing ends now if I want. I already bought moser Dana 60 ends so now is the time to figure this out..
Good read!
67 Barracuda, 470" B, Glide, FuelTech FT600, Precision, Ptc, QA1, Calvert, Smith racecraft, Afco, Dana 60. 275 radials
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