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Dana 60, 70, and 80?

82Jimmy

1/2 ton status
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I know a dana 60 is a really popular size...is 70 stronger? And an 80? Do they make an 80? Will it even fit on a Blazer or Jimmy? Saw an add for one for sale in some classifieds. 14bolt=dana 60
? = dana 70
? = dana 80?

Thanks for you help.


Bigger is Better
Cameron Burnett
82 Jimmy
 
A Dana 70 is about the equivilent to a Corporate 14 bolt full floater. Dana 80's are found under a lot of heavy duty cube trucks, 3 tons, stuff like that. Something you need a bigger axle than a 14 bolt for, but not a 5 ton Rockwell planetary for. Hope this helps.

1992 Blazer Sport, 350 TBI, 4L60, 3" Gibson, K&N, 3" Rancho, 285/75R16 on 16x8 Baja's
 
They do make a Dana 90 I think their under dump trucks and such.

http://www.blazer.coloradok5.com is now under construction
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YEEEE HAWWWW
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now where would I go to get a 5 ton rear end just thank a 5 ton blazer man I would need a hell of a tranny I want one HeHe

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Go prepared
</font color=red>90 k5 soon to be big, bad, and mean
 
14 bolt,(GM), is close to a Dana 70,(1-ton Fords), Dana 80 come in some heavy duty Dodges and Dana even makes a 135, not sure but I believe it went with a commercial duty Dodge
 
Yea dude, you're right. Those Dana 135's are insane. 13.5 inch ring gear!! Imagine having a blown 502 on nitrous or something and NEVER having to worry about grenading the rear axle.

'73 K5
Chevy good...Ford bad
 
My father has a Dana 135 in his '99 F-550 Demo crane truck. It came factory with 4.56 gears and posi, damn thing is about maxed out going 65 down the highway, even with the 6 speed standard. But the low end grunt with that powerstroke will snap your head back and you'll row the gears quick to maintain. It's different and neat.

Bryan

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Durant, Ok
'79 Blazer in progress
 

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