rear end

by jurgenday Sat Dec 22, 2012 12:05 pm

Does anybody know if a 1973-77 Pontiac GP rear will bolt into a 1976 Guna?
Thanks

by 1973 454 MONTE Sat Dec 22, 2012 12:32 pm

I would think yes. Should be the same.

by jurgenday Sat Dec 22, 2012 12:34 pm

Thats what I was thinking, but gotta be safe before I spend the cash

by jurgenday Sat Dec 22, 2012 12:35 pm

I just found out its out of a 1973 GP 455 SJ

by Wallyuph Sat Dec 22, 2012 12:47 pm

I have a 73 Lemons rear end in my 73 Malibu here is what ity said on it when I got it from the guy. see photo

[url] rear end Img_1310

[/url]

by Joe73 Sat Dec 22, 2012 12:56 pm

I would say yes but the GP rear is probably going to be about 1/2" to 1" wider, backing plate to backing plate. Dont know why but I have a monte rear in my chevelle right now and its slightly wider than my stock rear. It will bolt in, probably just a pinch wider. Wont make a difference unless your running a rim offset that just makes it in the wells.

by jurgenday Sat Dec 22, 2012 1:10 pm

a little wider isn't a big deal since i haven't decided on wheels yet

by brownbomber77 Sat Dec 29, 2012 12:38 pm

Off subject...but the 94-96 impala SS rear ends...are the shock mounts the only difference...well..bolt pattern, too? I know it's like a 1/2 inch wider... Tried a search...

by Wallyuph Sat Dec 29, 2012 1:00 pm

I have a 1995 impala rear end in the 1974 I just bught. Here its is as I was sand blasting it. It was in the car with only shock bolts and two lower controll arm bolts no nuts.

Its up in now. The bolt pattern is 5 on 5 and he took the front controll arms and all off the impala also so at least all four wheel will be the same for me. I don't know if its wider or not just know it fits.

[img] rear end Img_6410

[/img]

[img] rear end Img_6411

[/img]

by brownbomber77 Wed Jan 02, 2013 2:18 am

Wait, but I thought the shock locations after '72 were behind the axle, not in front of...? Not 100% sure though, can anyone shed light on this one?

by brownbomber77 Wed Jan 02, 2013 2:28 am

Wait, I lied....I checked some old pictures and discovered it'll go right in...

by michiganlarry Fri Mar 01, 2013 3:41 pm

Just to clarify. Will an axle from a 67 - 72 a-body fit under our cars?

by dynchel Sat Mar 02, 2013 11:14 am

michiganlarry wrote:Just to clarify. Will an axle from a 67 - 72 a-body fit under our cars?

not a direct bolt in. So no.

by driveit Sat Apr 06, 2013 7:47 am

Wallyuph wrote:I have a 1995 impala rear end in the 1974 I just bught. Here its is as I was sand blasting it. It was in the car with only shock bolts and two lower controll arm bolts no nuts.

Its up in now. The bolt pattern is 5 on 5 and he took the front controll arms and all off the impala also so at least all four wheel will be the same for me. I don't know if its wider or not just know it fits.

Just wondering if you had to change anything at all on that swap. If I made a similar swap would I use the control arms from my 74 or from the donor car?

by Wallyuph Sat Apr 06, 2013 7:56 am

I meant the front control arms/spindals. He used the rear ones from the 74. I did not do the swap my self is was sitting in there with only 4 bolts no nuts. I removed and replaced it after sandblasting and painting it. There was another post on here about doing a swap. To my knowledge its a bolt in swap. for the impala rear end. All though the bolt pattern for wheels is 5on5 so you will need to address that.

by driveit Sat Apr 06, 2013 12:35 pm

Thanks for all the info. It is becoming a bit more clear now.

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