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Old 12-01-2018, 10:36 PM   #1
Slippy
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72 Blazer build

Hey Everyone, so after using this forum for a few years now and having a complete addiction to the 1st gen Jimmy/Blazer I though I should post my current Blazer build project but first a bit of history on my Jimmy/blazer addiction...
About 5 years ago I bought my first 1970 Jimmy. I bought it as a partially started project, the PO had purchased a crap load of parts so it made buying it a no-brainer.I should mention that I am a red seal journeyman Autobody tech that quit doing body about 7 years ago..my job now lets me have a little more free time so I actually enjoy doing it now and so rust and bodywork doesnít really scare me.(back to the Jimmy now). The Jimmy was tore completely apart and over the course of about 2 years is was completely redone..

I sold that Jimmy at the Barrett Jackson auction in Scottsdale last January and it sold for 34k..After I sold it there seemed to be a bit of a hole and I was looking for a new project but everything I looked at just wasnít a 1st gen Blazer/Jimmy. The itch for another one wouldnít go away,lol.

I bought a 72 blazer across the country sight unseen and had it shipped to me. This one was a 15 year old resto that was a nice driver and my family and I banged around in it all spring but after a a guy that worked for me wouldnít leave me alone about it I ended up selling it to him and the hunt was back on....

Sure enough another one popped up on a Canadian wide used car site and my dad and I took the 10 hour drive to go look at it.. I purchased it and made our way back home with it.

The Orange Jimmy is the one that I rebuilt and sold at auction, the green one is the one I flipped.
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Old 12-01-2018, 10:42 PM   #2
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Re: 72 Blazer build

This is what she looked like when we picked it up, Is a 72 CST, the PO had attempted to start on it but was in WAY over his head. He too had purchased pretty much all new metal for it. Double wall top.. was a complete rust bucket, all new metal required..

He had done some work to the frame and attempted to paint it (not good enough for me)

Brought the body into the shop and started bagging and tagging what I was going to keep, the only piece that was going to be usable was the firewall/cowl so it was cut off and everything else was dragged outside, at this point itís pretty questionable what I had gotten myself into..

Ordered a truck floor, blazer bed floor, rocker boxes, bed sides and everything else I could think I would need,
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Old 12-01-2018, 11:12 PM   #3
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Re: 72 Blazer build

The Blazer came with a rebuilt 350/350 trans and np205 transfer case.
I had purchased a 2008 GMC Yukon Denali from a salvage site about a year ago and gutted the Powertrain out of it and sold the rest so I was wanting to put the L92 6.2l with a 6 speed trans into the project. I found a np241c trans case at a wrecking yard and mated it all together. I thinned the harness myself and sent the ECM to Lt1swap.com and had it reflashed.
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Old 12-01-2018, 11:26 PM   #4
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Re: 72 Blazer build

I really wish I would have taken more pics of the build up but Iíll post what I have..

Once the new floors arrived I set the rear floor on the frame with the new body bushings and also put on new bed sides..

Trimmed truck floor to what I thought looked close.. I put it all together using sheet metal screws because I couldnít weld anything until I was sure everything else was going to fit

Firewall, top, doors and fender also had to go on to make sure things were going to line up.

After probably 100 hours of trimming,twisting, shimming and plain screwing around I was happy that I had the floors in the proper place so it could all come apart again and weld the floors in where they needed to be..

Also set the motor in there to be sure frame was flexed to where it was going to be.

Bought a engine crossmeber from Pacific Fab to make life easier for mounting the LS motor.

This all happened over the course of a couple months.

More to come....
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Last edited by Slippy; 12-01-2018 at 11:47 PM.
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Old 12-02-2018, 08:53 AM   #5
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Re: 72 Blazer build

Welcome aboard, great looking blazers, we can always use your insight on our builds, hope you stick around, this is a great forum, filled with lots of knowledge, but minus attitudes!

I, for one will have lots of questions for you as I am now at a point in my build where I want to make it look good

Thanks for posting up and a great build, hoping to see more
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Old 12-02-2018, 10:06 AM   #6
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Re: 72 Blazer build

Looks familiar! Great work so far. Always nice to see another one restored and back on the road.
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Old 12-02-2018, 10:32 AM   #7
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Re: 72 Blazer build

LKS DCVN your project look great too.. I can appreciate how much time it takes to make the aftermarket metal work.. keep it up!

I would be happy to try to answer questions for anyone that has them, thatís the beauty of this site, so much info..
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Old 12-02-2018, 10:43 AM   #8
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Re: 72 Blazer build

After the floor was welded where it needed to be and rocker boxes all tacked in I made some cross-bracing in the door pillar areas to keep everything solid so I could take it off the frame again.

When I bought the blazer the PO had a brand new rotisserie that he threw in with the deal so I put the whole tub on there to make welding underneath a breeze.

New rear floor pan didnít have any crossmembers for the rear seat so I had to remove that crossmememberfrom the old floor and sandblast it and then re weld it onto the new tub.

Finished welding everything underneath and seam sealed where it was needed..
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Old 12-02-2018, 08:11 PM   #9
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Re: 72 Blazer build

Both projects look good , how do the aftermarket bedsides fit and where did you purchase them ?
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Old 12-02-2018, 10:27 PM   #10
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Re: 72 Blazer build

on your bedside bolts was there any certain torque spec that you went to?
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Old 12-02-2018, 11:33 PM   #11
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Re: 72 Blazer build

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Originally Posted by MikeCofield View Post
Both projects look good , how do the aftermarket bedsides fit and where did you purchase them ?
They were the tri-plus bed sides. Most of the metal came from southern Kentucky classics including both floors.
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Old 12-02-2018, 11:34 PM   #12
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Re: 72 Blazer build

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on your bedside bolts was there any certain torque spec that you went to?
No sorry, no certain specs. Just good and tight.
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Old 12-02-2018, 11:48 PM   #13
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Re: 72 Blazer build

I had the frame sand blasted and painted in gloss black endura. Turned out real nice.

One the frame was back I installed the motor for the last time. Had driveshafts built at a local machine shop.

Used speed engineering shortie headers on the ls motor.. also built a complete stainless exhaust from a do it yourself kit from jegs.. used flow master flow fx mufflers.

Still waiting on a radiator from RND.. this has been quite a painful process.. going on 9 weeks since it was ordered and no sign of it yet..
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Old 12-03-2018, 12:20 AM   #14
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Re: 72 Blazer build

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Old 12-03-2018, 01:48 AM   #15
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Re: 72 Blazer build

Don't mind me I'm just watching.
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Old 12-03-2018, 09:14 AM   #16
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Re: 72 Blazer build

How did the bedsides and doors fit?
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Old 12-03-2018, 09:39 AM   #17
Slippy
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Re: 72 Blazer build

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Originally Posted by MikeCofield View Post
How did the bedsides and doors fit?
They fit ďokĒ. The bedsides were actually fairly heavy gauge metal.. Iíve defiantly seen a lot worse.

The doors to bed sides body lines are a little goofy at the top lines.. I was able to get it pretty close but I actually wore the threds out on the A pillar from having them on and off so many times.. patience,patience and more patience oh and a few swear words..ha.
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Old 12-03-2018, 06:19 PM   #18
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Re: 72 Blazer build

the bedside slope (from the top down the side) and the door slope above body line do not match up exactly so there is some tweaking to be done to make it look OEM. Very nice work though!
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Old 12-04-2018, 10:25 AM   #19
Slippy
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Re: 72 Blazer build

Once the welding and metal work was finished up I started on the bodywork. Even though most of the panel were new they were still far from perfect. I again put the doors and fenders back on to double check the gaps and make sure fitment to the adjacent panels was good.

I ended up using a hood off of another old truck I had because the one off of the blazer was simply going to need a lot of work to get it where I wanted it.

After a few weeks of applying and sanding filler I was satisfied and applied d 3 heavy coats of Matrix 2k high build primer. I then let it sit for a couple weeks before attempting to final sand
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Old 12-04-2018, 03:12 PM   #20
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Re: 72 Blazer build

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Old 12-06-2018, 07:53 PM   #21
Slippy
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Re: 72 Blazer build

So after about 60-80 hours of final sanding the primer I finished everything with 400 grit. I spent lots of extra time making sure I could get as straight as possible for the black paint.

Next up was reassembling my paint booth.. I had built this paint booth to paint my other Jimmy and I made it in 5 foot sections so that it could be disassembled and reassembled. It works pretty decent. I force in air via a double squirrel cage fan through the top and front and the air exits at the lower rear. Gave it a good wash down once it was up and it was ready to hang panels..

Sorry about the sideways pics
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Old 12-06-2018, 09:41 PM   #22
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Re: 72 Blazer build

That's pretty awesome! Flipped the pix right side up for you.
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Old 12-06-2018, 09:59 PM   #23
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Re: 72 Blazer build

Thanks, how do you do that??
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Old 12-06-2018, 11:10 PM   #24
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Re: 72 Blazer build

If you are using a phone to upload them - it usually loads them sideways for some reason. I saved the pix to my desktop - rotated them in MS paint and then resaved and upped them to the site.
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Old 12-11-2018, 11:09 PM   #25
Slippy
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Re: 72 Blazer build

First batch of parts hung in the booth and painted,
Did the inside of the hood, inner fender liners,glove box door,ash tray door, rear seat armrests,
Once everything was sealed and painted I gave it a couple days and masked off and raptor lined the rest of the inside of the hood and inside of the liners. This Black is going to look sweet.

Using Matrix Sealer, Base coat and their more expensive Euro Clear, sprays really nice.
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