Rearend Swap ?s

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Rearend Swap ?s

Post by driveit on Fri Apr 05, 2013 3:14 pm

Thinking of different ways to get a rearend with disks. Originally thought of getting a conversion kit, but it seems I could get a rearend already setup cheaper. Problem is I'm a little closer to the broke end of the money pool than I would like to be and I don't have a clue what would swap as a direct bolt on. Any tips?

Thanks and God bless,
Chris
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Re: Rearend Swap ?s

Post by dynchel on Fri Apr 05, 2013 7:13 pm

Try a caprice ( or impala SS) rear end. Look at the interchange ability thread for the details. Very Happy
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Re: Rearend Swap ?s

Post by driveit on Sat Apr 06, 2013 7:28 am

OK thanks.
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Re: Rearend Swap ?s

Post by dynchel on Sat Apr 06, 2013 7:35 am

No problem. Just look at the interchange thread under the tech section first, to see what you will need before heading out. Thumbs up
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Re: Rearend Swap ?s

Post by driveit on Sat Apr 06, 2013 3:30 pm

OK, if I switch to a rearend that has the larger bolt pattern would these wheels fit?

Wheels by MB Wheels “Old School”: $149.00each

Diameter: 18.0”
Width: 9.0”
Bolt Pattern: 5-114.3mm
Offset: 35



Also is this a good tie and will this it fit that wheel?

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Tire Siz3: 275/35ZR18 95W BSW

Treadwear: 300 out of 400 with 400 being the best rating.
Traction: A The traction grades from highest to lowest are "AA","A","B" and "C".
Speed rating: Z The rating of Z = 149 mph and over.

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Re: Rearend Swap ?s

Post by Joe73 on Sat Apr 06, 2013 4:22 pm

Just a question on this rear swap thing. Does the caprice rear have the shocks in front of the axle like our cars? How about the monte SS. They come with a 3.73 posi which would be a nice rear gear. Just wondering about the shock location.
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Re: Rearend Swap ?s

Post by dynchel on Sat Apr 06, 2013 4:48 pm

The shock location on caprices (and Monte Carlos) are the same as ours. You need a 5X5 bolt pattern for the impala rear end. those wheels are measured in a millimeters and I think what you listed equals 4X4.75, which is the original bolt pattern (not the caprice). Maybe someone better at math than me can chime in.
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Re: Rearend Swap ?s

Post by Joe73 on Sat Apr 06, 2013 7:30 pm

Interesting. I think if I had to locate a rear, I'd look for the monte SS rear. That way I'd keep the 4 3/4 bolt pattern and have a 3.73 posi. Thanks for the info.
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Re: Rearend Swap ?s

Post by dynchel on Sat Apr 06, 2013 7:38 pm

I think its to narrow to use without redoing all the mounting points. I am pretty sure that Monte SS's (and turbo Buicks) have 8.5 rear ends, so at minimum the posi carrier could be retro fitted. I'm not 100% sure about this though.
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Re: Rearend Swap ?s

Post by driveit on Sun Apr 07, 2013 1:08 am

Sounds like it may be easier to just go with a conversion kit and pay the extra. We shall see. Thanks again.
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Re: Rearend Swap ?s

Post by 77mali on Sun Apr 07, 2013 8:27 am

driveit wrote:Sounds like it may be easier to just go with a conversion kit and pay the extra. We shall see. Thanks again.

I agree...just a matter of saving enough for it. Darn things are expensive but at least it'll be a guaranteed fit.
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