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-   -   Swapping to ZR2 rear axle (https://blazerforum.com/forum/builds-48/swapping-zr2-rear-axle-50540/)

rob44_90 10-22-2010 12:38 AM

Swapping to ZR2 rear axle
 
3 Attachment(s)
I finally got my zr2 rear axle installed yesterday. It has 4.56 gears and a Detroit True Trac limited slip. Now all I have to do is swap the front differential out for my Zr2 front diff with 4.56 gears. But I'm gonna wait until I have time to swap (just about all) front suspension components before I swap the front diff. I have all the parts, just no time to tear my DD apart. Everything on the axle was plug and play. I did have to swap the passenger side bake line out from my old axle to the Z axle, because the Z's was cut. Then I swapped my almost new emergency brake shoes from my old axle to the Z. Here's a few pics, I'll post a few more up tomorrow.

AJBert 10-22-2010 09:07 AM

Just curious, what size tires are you running/plan on running?

oktain 10-22-2010 09:26 AM

Stuff some 35's!

^^ in all seriousness though, it's going to be badass with the new stance

TripleBlackBlazer 10-22-2010 02:52 PM

Are you using new u-bolts?

Benedict1337 10-22-2010 03:27 PM

lol copycat. how much that cost you?

rob44_90 10-22-2010 03:42 PM

2 Attachment(s)

Originally Posted by AJBert (Post 372898)
Just curious, what size tires are you running/plan on running?

You didn't see my Mickey Thompson Baja MTZ 33's in the last pic? lol


If I get the chance I'm definitely putting 35's on, I'll have to do a lot more fender cutting, but they'll look completely BadAss!!!!

Here's a side picture of the tire sticking out and my new Street Scene Speed Grille!!!!!!!

rob44_90 10-22-2010 03:54 PM


Originally Posted by Benedict1337 (Post 372973)
lol copycat. how much that cost you?

I can't help it that he had a great idea!!!!!!! Plus, WolfPack actually found both axles for me....lol. It was 500 big ones for the front diff and rear ZR2 axle both with 4.56 gears and the rear has a Detroit True Trac. Though I'm not sure if the locker works......... Couldn't get the other tire to spin when one was spinning while barely touching the ground. Spinning tire was on rocks and other tire was on pavement. Maybe I wasn't giving it enough power to engage? I was trying to go up a rock hill sideways where the train tracks sit, right next to a road. It was pretty steep, but they both spun simultaneously when I did a burnout in the grass, if that counts as a burnout.....

Benedict1337 10-22-2010 03:54 PM

looks good

rob44_90 10-22-2010 04:00 PM


Originally Posted by TripleBlackBlazer (Post 372965)
Are you using new u-bolts?

I didn't need to. The u bolts that came with my Trail Master lift worked just fine. And I think WolfPack's stock u-bolts worked fine as well. But he might have used the u-bolts off the Zr2.

Also, does anyone know a trick to getting the driver side CV joint off a ZR2 differential? I've used a long pry bar on it, but it won't budge. Might have to get out the air hammer, but I don't want to ruin the CV unless I have to, cause I don't need it.

b1heqh54 10-22-2010 04:18 PM

I've heard that you need to tap on the cup while you pry to get the clip to bounce out of the groove. Haven't tried it myself.


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