DANA 44

CORVETTE SPECIFIC - Applicable to all or most models

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australi
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DANA 44

Postby australi » Wed Jan 16, 2013 2:30 pm

DANA 44, RING AND PINION GEAR SET 3.07:1
14 / 43 teeth.

AS NEW - Used for only ~50kms in a 1980 Corvette

$OFFERS

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DOC
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Postby DOC » Thu Jan 17, 2013 8:11 pm

Why only 50 K's?
Good fuel economy?

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Postby australi » Fri Jan 18, 2013 9:28 am

No idea; Nigel who built the car put these in, then took them out and put 4.11's in it, only to discover that 2MPG was NOT a good thing, so he put the 3.54's in that it has now.

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ernbuild
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Postby ernbuild » Fri Jan 18, 2013 2:03 pm

Do you have the 4:11s and are they for a Dana 44? :C
adventure before dementure

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Postby australi » Fri Jan 18, 2013 2:43 pm

No all I have are these 3.07s for a DANA44

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ernbuild
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Postby ernbuild » Fri Jan 18, 2013 5:31 pm

That's a shame according to those in the know I would pick up a second over the quarter mile with 4:11s.
It would also make for a much friendlier first gear and a more usable sixth gear. :evil:
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Postby australi » Sat Jan 19, 2013 10:27 am

Oh yeah, for sure!
BUT, you'd PAY for it with fuel economy!! :evil:

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Postby Fissan » Sat Jan 19, 2013 12:06 pm

Will these fit a 76 diff?
Cheers Bruce

If you cant hear it before you see it..It's not loud enough!!

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Postby australi » Sat Jan 19, 2013 12:36 pm

I can't say mate - I would ASSUME so, but...

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Postby Bazzas77 » Sun Jan 20, 2013 1:09 am

australi wrote:I can't say mate - I would ASSUME so, but...



has your diff got an alloy casing ?

if its the alloy case those gears wont fit into the cast iron case of a 76

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Postby Fissan » Sun Jan 20, 2013 1:53 pm

Big heavy cast iron case
Cheers Bruce



If you cant hear it before you see it..It's not loud enough!!

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Postby australi » Mon Jan 21, 2013 9:51 am

Should fit then.

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DOC
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Postby DOC » Mon Jan 21, 2013 11:22 am

It's like this,
Ring and Pinion All fit the same, --63-79.
And it's a Corvette only Diff.
80-82 are a Dyna 44. They fit a variety of cars that happen to run a Dyna 44, I am no expert on any model changes as per fitment. I do know that 80-82 Corvettes do indeed use these gears.
As we all know, these are economy gears, not much fun I'm afraid.
But for the cruiser with an Auto trans, a nice gear.

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Postby australi » Tue Jan 22, 2013 9:59 am

...And at this price they're a bargain.

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Postby australi » Wed Jan 23, 2013 2:27 pm

I've got this on ebay now for buy it now $150; so if you're thinking about it, maybe you should jump at this now...

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Postby DOC » Wed Jan 23, 2013 8:44 pm

Geeez Steve, Already told ya, Won't fit mine. Ernie seemed ta think they'll fit C-4 as well, Nice gear with a 700R. For a nice driver.

I think there's a reason the previous owner took these out.

Good luck with your sale.

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Postby australi » Thu Jan 24, 2013 10:21 am

There's a TH700R in both my vettes.
Trouble with Nigel was that he was never satisfied; always had to keep changing things.

Don't think they'd fit a C4; don't they have DANA36's in them mostly?

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Postby 98lux » Thu Jan 24, 2013 11:53 am

Longevity in the automotive and light-truck business can be directly attributed to how well your product holds up against the competition. One of the all-time winners in this field has been the Dana 44 differential. Developed in the 1940s and used since the mid '50s as a rear differential in many passenger cars and trucks, the Dana or Spicer 44 has also been used for decades on many four-wheel-drive vehicles. The Dana 44 was also a popular choice as a rear differential for kit cars and still is used extensively for four-wheel-drive conversions on classic trucks as well.

Spicer (Dana) 44 axles use an 8-1/2-inch ring gear bolted to the carrier by 10 bolts that are 3/8 x 24 right-hand thread. The case itself is 9-3/8 inches in diameter. The cement mixer-shaped differential cover also has 10 bolts. The input on the pinion shaft is 1-3/8-inch in diameter and has 26 spline. Original ring and pinion gears were produced from 8620 steel, making this assembly capable of handling most engine horsepower and torque specifications. Although not as strong as its big brother, the Dana 60, it is quite a lot lighter than the 60 without sacrificing much in the way of strength. Axle shafts are 1-1/8 inches in diameter with 30 spline 1-5/16-inch ends. Dana 44 rear ends have two carrier sizes or breaks; any gear size from 2.72:1 to 3.73:1 will use one carrier, gears from 3.92:1 up to 5.89:1 use another. Passenger car rear ends will have equidistant axle tubes; however, you will locate some Jeep and truck axles that have different length axle tubes.

Rear differentials were used under these vehicles:

1980-'82 Corvette
1968-'85 Avanti II
1955-'56 Ford Thunderbird
1966-'75 International Metro van, 1100 and 1200 series pickups
1968-'80 International Scout
1972-'75 Jeep Scrambler and 1972-'73 Jeepster
1967-'75 Jeep CJ-7
1976-'92 Jeep Comanche and Cherokee
1972-'79 Wrangler and Wagoneer
1997 and newer Jeep Wrangler
2001-'10 Wrangler Rubicon
1977-'79 Ford ½-ton pickupsv 1959-'68 2WD and 1962-'69 4WD Ford ½-ton pickups
1963-'67 AC Cobra Independent rear suspension axles are also used in
1985-'96 Corvette C4 (independent control arm assembly)
1992 and up Dodge Viper
1996-'03 Jeep Grand Cherokee
1980-'85 Excalibur cars Front axle applications include
1971-'82 Chevy Blazer
1960-'90 Chevy K-10 and K-20 pickups and Suburbans
1967-'76 Chevy K-30
1974-'93 Dodge Ramcharger and Plymouth Trailduster
1969-'02 Dodge W-100 and 200 w/3,000-lb. axle and W-200 w/3,500-lb. axle
1970-'77 Bronco
1977-'90 F-250
1962-'79 F-100 and 150 (as straight axle)
1980-'96 F-100 and F-150 (as IFS "twin traction beam" axle)
1966-'75 International pickup
1972-'80 International Scout
1993-'00 Isuzu Amigo and Rodeo
1974-'83 Wagoneer
1974-'86 J-10 and J-20 pickups
1984-'92 Grand Wagoneer
2001-'10 Wrangler Rubicon
1968 L36 4 SPEED hmm Big Block
1969 454 4 SPEED hmm Bigger Block

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Postby 98lux » Thu Jan 24, 2013 11:54 am

1968 L36 4 SPEED hmm Big Block

1969 454 4 SPEED hmm Bigger Block

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Postby 98lux » Thu Jan 24, 2013 12:00 pm

The C-4 Dana 36 was the only axle available in 1984 Corvettes. In 1985, Chevrolet brought out the Dana 44 which was similar to the 80-82 Corvette axle, but not interchangeable. The Dana 44 axle is considerably stronger, but not indestructible. The Dana 36 and the Dana 44 (44's in some autos and all manuals) axles were used through 1996.
The Dana 44 is much larger than the D36. The 44 has a larger, "beefier" carrier/components to handle larger (lower) ring and pinions, and increased torque. NOTICE THE LOCATION OF THE TOP CENTER BOLT HOLE ON THE DANA 36 THATS NOT ON THE DANA 44 REAR, thats a QUICK WAY TO TELL THEM APART.


603967 GM 44 REAR 1980 CORVETTE
605172 GM 36 REAR 1984 CORVETTE
605180 GM 36 REAR 1984 CORVETTE
605220 GM 44 REAR 1985-87 CORVETTE
605239 GM 36 REAR 1984-86 CORVETTE
605260 GM 36 REAR 1985-87 CORVETTE
605321 GM 36 REAR 1988-90 CORVETTE
605322 GM 44 REAR 1989 1/2-90 CORVETTE
605365 GM 44 REAR 1988-89 CORVETTE
605417 GM 44 REAR 1990-90 1/2 CORVETTE
605490 GM 36 REAR 1990 1/2-96 1/2 CORVETTE
605491 GM 44 REAR 1990-96 1/2 CORVETTE
605492 GM 44 REAR 1990 1/2 CORVETTE
1968 L36 4 SPEED hmm Big Block

1969 454 4 SPEED hmm Bigger Block

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australi
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Postby australi » Thu Jan 24, 2013 2:15 pm

OK, so some had 36 some had 44 :D

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Postby vetteoz » Sun Feb 10, 2013 2:52 pm

98lux wrote: The Dana 36 and the Dana 44 (44's in some autos and all manuals) axles were used through 1996.
The Dana 44 is much larger than the D36.

:o
The C4 D44 (D44-HD ) is based on a standard D44 but has larger D60 size bearings on the pinion so the gear set
won't interchange with the C3 D44 (D44-ICA )

http://www.vettemod.com/forum/showpost. ... stcount=12

D44 only came in manual C4's ; '85 +

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Postby australi » Mon Feb 11, 2013 9:20 am

:D

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Postby australi » Sun Jul 07, 2013 1:10 pm

I've just sold my diff gears, but a lot of info in this post, so have moved it to here for future reference :o


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