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Axle Choice?? #3042697
05/16/22 07:50 AM
05/16/22 07:50 AM
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Wisconsin
wkroncke17 Offline OP
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Running Stock bodied Demon - approx. 500HP, run Mid 11's (Hopefully a bit quicker)
904 auto - no brake, 4.30 rear w/30 spline spool.
What is the axle of choice?
I'm not worried about upgrading to a brake or more HP in the future.

Thanks All!!

Wally.

Re: Axle Choice?? [Re: wkroncke17] #3042700
05/16/22 08:14 AM
05/16/22 08:14 AM
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JERICOGTX Offline
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For a budget type build, Moser makes a decent axle. My only suggestion is to upgrade to 5/8 studs while you are at it. The little extra that it cost, is worth it in the long run.


69 GTX 68 Road Runner
Re: Axle Choice?? [Re: JERICOGTX] #3042729
05/16/22 09:38 AM
05/16/22 09:38 AM
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Marion, South Carolina [><]
an8sec70cuda Offline
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Originally Posted by JERICOGTX
For a budget type build, Moser makes a decent axle. My only suggestion is to upgrade to 5/8 studs while you are at it. The little extra that it cost, is worth it in the long run.

iagree Definitely go w/ 5/8" studs now. They're easier to work with and a pain in the rear to upgrade to them later on.
I like and use Moser axles. Not a fan of Strange axles.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
Re: Axle Choice?? [Re: an8sec70cuda] #3042741
05/16/22 10:20 AM
05/16/22 10:20 AM
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Tulsa OK
Bad340fish Offline
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I agree with Moser, I use and like them as well.

The 5/8" stud idea is great also but factor in your street wheels(if you have any) with that decision. It is not always as simple as drilling a wheel out to make the larger stud work.


68 Barracuda Formula S 340
87 "Chrysler" Conquest
Re: Axle Choice?? [Re: Bad340fish] #3042756
05/16/22 11:03 AM
05/16/22 11:03 AM
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A shed in England
Tig Offline
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I'll be upgrading to a 9" soon since gear sets are hard to find for a Dana 60 of late. twocents


'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
Re: Axle Choice?? [Re: wkroncke17] #3042788
05/16/22 12:33 PM
05/16/22 12:33 PM
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Bend,OR USA
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Cab_Burge Offline
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i'm going to ASSUME it has a 8 3/4 rear end in it now, correct?
If so does it have a steel cap on the driver side?
If not get one soon twocents up
Mark Williams and Strange engr. should both offer them scope
I've seen way to many stock iron caps in multiple pieces after failing, NOT GOOD shock


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Axle Choice?? [Re: Cab_Burge] #3042838
05/16/22 04:29 PM
05/16/22 04:29 PM
Joined: Oct 2007
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Wisconsin
wkroncke17 Offline OP
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Originally Posted by Cab_Burge
i'm going to ASSUME it has a 8 3/4 rear end in it now, correct?
If so does it have a steel cap on the driver side?
If not get one soon twocents up
Mark Williams and Strange engr. should both offer them scope
I've seen way to many stock iron caps in multiple pieces after failing, NOT GOOD shock


It does have the Steel cap - Thanks Cab!!

Re: Axle Choice?? [Re: wkroncke17] #3042840
05/16/22 04:31 PM
05/16/22 04:31 PM
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Wisconsin
wkroncke17 Offline OP
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Has anyone used the axles from Doctor Diff?
He says they're as strong as Moser/Strange.....$300/pair w/green bearings installed.
Yes I'm on a budget but I don't want junk....

Thanks All!!

Re: Axle Choice?? [Re: wkroncke17] #3042841
05/16/22 04:38 PM
05/16/22 04:38 PM
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Florida
Locomotion Offline
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8 3/4" ring & pinion is the weak link. Then the cap. Not sure where 30 spline race axles fit in, but I've run 35 spline 1/2" screw-in stud Moser axles for many, many years without problems. - 360/904 footbraking @ 3,540+ lbs running mid-low 11's averaging 1.52 60' times. Combination of weigh with good traction & 60' times cause the most problems. Never broke a cap, but there were signs of "cap walk".)

Re: Axle Choice?? [Re: Locomotion] #3042862
05/16/22 05:42 PM
05/16/22 05:42 PM
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So Near, Yet So Far
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I'm a believer in the Dana60; mine was bulletproof with 640HP on slicks, low-10s, SB Duster.
Strange axles. Originally set up by Herb McCandless, went hundreds of passes before I did a precautionary R&P.
In a heavier drag car car I'd consider a Dana60 mandatory, and have done exactly that.
I've seen enough broken rears spit a car into the wall; makes for a crappy day, to say the least.

Re: Axle Choice?? [Re: wkroncke17] #3042919
05/16/22 09:59 PM
05/16/22 09:59 PM
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Aurora, Oh.
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Originally Posted by wkroncke17
Has anyone used the axles from Doctor Diff?
He says they're as strong as Moser/Strange.....$300/pair w/green bearings installed.
Yes I'm on a budget but I don't want junk....

Thanks All!!



We will find out soon. I just installed a set in my 64 Dodge wagon. 8 3/4 sure grip and should run high tens.

Re: Axle Choice?? [Re: wkroncke17] #3042923
05/16/22 10:27 PM
05/16/22 10:27 PM
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IL
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At that power level, it's likely not very critical - I've used Strange, Moser, and Dutchman without issues around that power level. It probably comes down to availability at this point if you have a timeframe.

Re: Axle Choice?? [Re: wkroncke17] #3042943
05/17/22 05:12 AM
05/17/22 05:12 AM
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Southington Ct.
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Originally Posted by wkroncke17
Has anyone used the axles from Doctor Diff?
He says they're as strong as Moser/Strange.....$300/pair w/green bearings installed.
Yes I'm on a budget but I don't want junk....

Thanks All!!


I recently bought a set for a stock length B-body Dana 60 so they are basically a stock replacement. This is a street/show car and not a race car. I couldn't tell who made them, they looked like a Chinese knockoff. The splines are much longer than they need to be probably because they blank out a common larger length axle and cut it per application. So far I have no issues but had I known I just would have paid more for the name brand axles(Moser, Strange).

016.JPG

1970 Challenger w/572 Hemi street car and my pride and joy. 1986 T-Type with 272 Stage 2 Buick V6 engine - True 8 second street car. Just updated the engine and put down 928 HP @ 35# boost to the ground on chasis dyno. 1976 Cee Bee Avenger Jet Boat - 460 Ford powered.
Re: Axle Choice?? [Re: turbobitt] #3042985
05/17/22 09:17 AM
05/17/22 09:17 AM
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I have used Dr. Diff's 35 spline axles in my D60 now for 5-6 years. 3740lbs, Trans Brake, Radials, 1.37 60ft behind the turbo small block.

It ate a stock planetary, and rear sprag in the trans (with Low Band Apply!), but never hurt an axle.

It did bend the 1/2" wheel studs, so I upgraded to 5/8".

Re: Axle Choice?? [Re: wkroncke17] #3042991
05/17/22 09:35 AM
05/17/22 09:35 AM
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GY3 Offline
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Originally Posted by wkroncke17
Has anyone used the axles from Doctor Diff?
He says they're as strong as Moser/Strange.....$300/pair w/green bearings installed.
Yes I'm on a budget but I don't want junk....

Thanks All!!


I have. They work very well.

We use them with a spool in a 3,700 lbs. street car in a Dana 60. It's seen 1.36 60 ft. times and we beat on the car regularly.

I would highly recommend getting them minus the garbage 1/2" studs they come with! We bent them as well. We put in Strange studs and all has been fine since.

Last edited by GY3; 05/17/22 09:36 AM.

'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.

Re: Axle Choice?? [Re: GY3] #3043170
05/17/22 08:33 PM
05/17/22 08:33 PM
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Wisconsin
wkroncke17 Offline OP
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Originally Posted by GY3
Originally Posted by wkroncke17
Has anyone used the axles from Doctor Diff?
He says they're as strong as Moser/Strange.....$300/pair w/green bearings installed.
Yes I'm on a budget but I don't want junk....

Thanks All!!


I have. They work very well.

We use them with a spool in a 3,700 lbs. street car in a Dana 60. It's seen 1.36 60 ft. times and we beat on the car regularly.

I would highly recommend getting them minus the garbage 1/2" studs they come with! We bent them as well. We put in Strange studs and all has been fine since.


30 or 35 spline spool?
Any difference in strength of them?

Re: Axle Choice?? [Re: wkroncke17] #3043292
05/18/22 12:24 PM
05/18/22 12:24 PM
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Florida
Locomotion Offline
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Originally Posted by wkroncke17
Originally Posted by GY3
Originally Posted by wkroncke17
Has anyone used the axles from Doctor Diff?
He says they're as strong as Moser/Strange.....$300/pair w/green bearings installed.
Yes I'm on a budget but I don't want junk....

Thanks All!!


I have. They work very well.

We use them with a spool in a 3,700 lbs. street car in a Dana 60. It's seen 1.36 60 ft. times and we beat on the car regularly.

I would highly recommend getting them minus the garbage 1/2" studs they come with! We bent them as well. We put in Strange studs and all has been fine since.


30 or 35 spline spool?
Any difference in strength of them?



There is a substantial difference between 30 & 35 spline axles. I know of at least one manufacturer that shows a comparison, but don't recall which one.

FYI -35 spline 8 3/4" and Dana 60 are basically the same! But Dana 60 has the 40 spline option with 5/8" studs if that's a big concern.

Re: Axle Choice?? [Re: Locomotion] #3043324
05/18/22 04:08 PM
05/18/22 04:08 PM
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I used a set of Strange 35 spline race axles and spool in my old low ten second pump gas Duster 3450 Lb. streetcar with the original 8 3/4 rear end with coil overs and ladder bars until it ended up bending the crap out of the rear end housing: shock
I was able to reuse the axles in a Dana 60 housing that I had narrowed and had the axle ends replace with new Moser ends, no problems with rear ends after that up:

Last edited by Cab_Burge; 05/18/22 04:08 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)






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