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Old 05-07-2017, 10:57 PM   #1
YoungPup1977
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1972 Blazer 4x4 to 2WD Conversion

I am in the process of converting a 1972 Blazer 4x4 to a 2wd. My question I have is related to the rear suspension regarding the shock cross member. Does anyone sell this cross member along with the trailing arm cross member. As far as I know, the c10 pickup shock cross member made by CPP will not work on a 1972 blazer frame, also I do not think the trailing arm cross member from a c10 will fit the blazer frame either....Any direction or advice would be great. Thanks.
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Old 05-14-2017, 02:39 PM   #2
c10-72 II
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Re: 1972 Blazer 4x4 to 2WD Conversion

Wasted Income did a 2wd conversion using Porterbuilt stuff. Project Family Truckster is his build thread. If you don't have the money to go that route try a axle flip kit by Belltech, it's a six inch drop. I was use going that on my 74 k5 but decided to stay 4wd.
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Old 05-29-2017, 10:17 AM   #3
YoungPup1977
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Re: 1972 Blazer 4x4 to 2WD Conversion

Starting the process....4x4 to 2wd conversion on my 1972 blazer.

Removing the leaf springs and clean up the frame.
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1972 c10 swb 383/700r4
1972 c10 swb 496/700R4
1971 blazer 4x4 396/700R4
1972 blazer 4x4 383/700R4
1972 blazer 2wd 454/700R4
1967 Camaro RS SS
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Old 12-10-2017, 01:08 AM   #4
bnii
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Re: 1972 Blazer 4x4 to 2WD Conversion

Any updates? I bought a 70 k5 4x4 and I'm about to start a 2wd conversion. I bought a 2wd front frame section and transmission cross member. I know I will need to drill new holes for the front cross member and plan on doing a flip kit for the rear end. Did you run into any snags?

Last edited by bnii; 12-10-2017 at 01:36 AM.
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Old 12-10-2017, 01:35 AM   #5
dec010974
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Re: 1972 Blazer 4x4 to 2WD Conversion

Keep us posted. This thread seems like it would offer a lot of useful information.
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Old 01-21-2018, 12:40 AM   #6
YoungPup1977
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Re: 1972 Blazer 4x4 to 2WD Conversion

Update: Installing the front cross member from a 1973 chevy pickup and found trailing arms / rear diff to add to this project. Addition of a 496 Big Block and a 700R4. I am done rebuilding the transmission, block is at the machine shop.

I know every one seems to be alarmed with a 700R4 behind a big block, I build transmissions for a living so I guess its not a big deal to me plus I do not beat on my trucks to break them....drive them to enjoy not to destroy !!!!

Bought the Porterbuilt trailing arm tubular cross member. not in pic....

Going to Fab in rear spring frame supports, pics will be coming soon........
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1972 c10 swb 383/700r4
1972 c10 swb 496/700R4
1971 blazer 4x4 396/700R4
1972 blazer 4x4 383/700R4
1972 blazer 2wd 454/700R4
1967 Camaro RS SS
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Old 01-23-2018, 02:01 PM   #7
PEDROSKI
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Re: 1972 Blazer 4x4 to 2WD Conversion

Have you seen this kit?

https://www.azproperformance.com/Dea...Notch-4wd.html
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Old 01-27-2018, 01:20 AM   #8
gringoloco
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Re: 1972 Blazer 4x4 to 2WD Conversion

I did a trailing arm conversion a few years back (maybe 10). If I was doing it now, I would definitely use the Deadend Garage pieces
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