[Tigers] Tigers' Rear Axle

[Sandy]

Don't know if the Tiger D44 is all that strong with the axle set up but 
the D44 is a solid rear end could be.

My first hand with the D44 was I broke a couple of time in an 
International Scout that I had swapped a healthy street 372" SBC into. 
On one explode I twisted the pinion shaft apart the while speed shifting 
with a mattress on top of the car, the other was asimilar but exploded 
the spider gears in a similar situation without the mattress on top. 
This was in a 1980 IH Scout with large tires and a young and 
enthusiastic driver ;)

http://www.gtsparkplugs.com/HallOfShame.html  (Top right picture)

I think the axle diameter in the D44 is larger then the stock 9". 
Overall I would say the 9" is all around stronger the the D44 and 
lighter as well but I don't think a D44 would be a problem in a tiger 
unless you have some very wide and sticky tires.  I have used the 
aluminum dropout with good results on the track car. One good thing to 
remember is the narrow and small tires on the tiger are a fuse for your 
drivetrain.

If someone buys the car I'll trade them for my D44 out of the tiger :) 
But I have all the parts for a rebuild on the D44 in the tiger except 
I'll likely change the housing ends to small bearing ford so I can do an 
easy wilwood brake swap. If I didn't have the D44 parts I would not 
hesitate to dump the weight and use a ford 9" as it's just way easier to 
work on.

Sandy

On 3/29/2014 12:44 PM, robertdhogan wrote:
> E-bay listed Tiger D9472511 includes a Ford 9 inch rear axle housing which
> triggered some questioning.
>
>   
>
> While the adjustability benefit of a unit removable differential unit and
> pinion assembly is part of the Ford 9", does the Ford 9 inch axle assembly
> have a higher torque capacity than the stock Tiger rear axle assembly?  How
> strong or durable is our standard Dana 44 rear axle in taking the potential
> for 450 Lb.-ft. or more if considering a 430 HP 347 stroker?
>
>   
>
> Also, what is a distinction of the Tiger's Dana 44 positraction unit within
> the realm of all Dana 44 advertised differentials?
>
>   
>
> Always wanted to research these questions.
>
>   
>
> Rob
>
> (Putting B382001560 back on Michigan's roads this summer after 31 years of
> storage.)
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>
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