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bagged01extcab 02-07-2019 11:59 PM

1980 Stepside gmc
 
3 Attachment(s)
I thought I’d do a build thread on my current project. I bought what I thought was a rust free 1980 stepside truck that was once a city of Palestine Tx city truck. The transmission was shot but it cranked and ran. It was supposed to be my “shop” truck but has turned into a full build. I’ll try to catch up to where I’m currently at in the build and keep it updated.

Pic from when I first got it and was carrying it to the trans shop
Attachment 1873390

Pic after it was running and driving
Attachment 1873392

Pic with porterbuilt arms and bags in front with 6” drop in rear
Attachment 1873393

bagged01extcab 02-08-2019 12:08 AM

Re: 1980 Stepside gmc
 
3 Attachment(s)
then came the billets! Along with a narrowed 12 bolt Posi with 3:73 gears
Attachment 1873395

And bagged the rear with just a c notch
Attachment 1873396

This is where it turned full build! The truck was originally school bus yellow and had a cheap, low quality, old paint job on it. I couldn’t stand looking at the yellow, especially the inside. So I started blowing it apart
Attachment 1873397

bagged01extcab 02-08-2019 12:13 AM

Re: 1980 Stepside gmc
 
5 Attachment(s)
So much for rust free. I climbed all over the truck when I purchased it but there was some hiding in both wiring channels and after blasting the passenger side body support had rust
Attachment 1873400

Attachment 1873401

Cab removed
Attachment 1873402

I had painted the rear and front of the frame and with the cab off, I cleaned and painted the rest
Attachment 1873403

Body mount rust after blasting
Attachment 1873404

bagged01extcab 02-08-2019 12:19 AM

Re: 1980 Stepside gmc
 
5 Attachment(s)
Cab blasted
Attachment 1873409

Rust repaired
Attachment 1873410

Attachment 1873411

Etching primer
Attachment 1873412

Raptor liner sprayed
Attachment 1873413

bagged01extcab 02-08-2019 12:25 AM

Re: 1980 Stepside gmc
 
5 Attachment(s)
First time I have ever sprayed raptor liner. I was very impressed with it!
Attachment 1873415

Cab back up right and stripping all of the factory black gunk off firewall. I also welded up the blower motor hole. I will be using a vintage air ac and the block off plate is ugly
Attachment 1873416

Finished prepping the interior and primed
Attachment 1873417

Attachment 1873418

And I found another spot of rust in the passenger side cab corner. I cut out that section and repaired it but forgot to get a pic
Attachment 1873419

bagged01extcab 02-08-2019 12:29 AM

Re: 1980 Stepside gmc
 
5 Attachment(s)
Body work done on cab and ready for primer
Attachment 1873426

Outside primed with ever coat super build 4:1. It was the first time I’ve used it and I love it!Attachment 1873427

I sprayed all of the inside with white raptor liner except for the dash
Attachment 1873428

Attachment 1873429

Attachment 1873430

bagged01extcab 02-08-2019 12:36 AM

Re: 1980 Stepside gmc
 
4 Attachment(s)
Dash painted base/clear white
Attachment 1873431

Outside blocked and ready for paint
Attachment 1873432

Base coated white
Attachment 1873433

And cleared
Attachment 1873434

This pretty much brings me up to where I’m at now. I started cleaning up and painting interior parts and mocking up my vintage air unit

Palf70Step 02-08-2019 06:07 PM

Re: 1980 Stepside gmc
 
Love the truck. Can't be a square stepside!

PunishedC10 02-08-2019 07:08 PM

Re: 1980 Stepside gmc
 
Looking good! I thought it looked good bagged with the rallies hahaha
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NJRC10 02-08-2019 08:36 PM

Re: 1980 Stepside gmc
 
Cannot wait to see it finished. Very nice build

82Diesel 02-11-2019 05:34 AM

Re: 1980 Stepside gmc
 
Wow really nice job!

lolife99 02-11-2019 08:47 AM

Re: 1980 Stepside gmc
 
Subscribing to this one.
Cool truck!

Rich84 02-11-2019 10:15 AM

Re: 1980 Stepside gmc
 
Wow..This is going to be another beautiful Stepside..

rip2174 02-20-2019 12:24 PM

Re: 1980 Stepside gmc
 
How much did you have to narrow the rear end?

Dads79GMC 02-20-2019 06:41 PM

Re: 1980 Stepside gmc
 
I love watching these builds progress. Awesome work!! Mike

Low Elco 02-21-2019 03:04 PM

Re: 1980 Stepside gmc
 
work looks great!

808_67C10 02-21-2019 04:58 PM

Re: 1980 Stepside gmc
 
Looking sick... if you have time and the bed is still off, can you snap some more pics of how you did the rear suspension?

bagged01extcab 02-21-2019 10:13 PM

Re: 1980 Stepside gmc
 
Thanks for all of the compliments! I have been working on the truck pretty regular. I’ve been cleaning, blasting and painting a lot of parts, bolts, nuts, brackets and etc. it’s time consuming and doesn’t make for any cool pics.

Quote:

Originally Posted by rip2174 (Post 8470431)
How much did you have to narrow the rear end?

I’ll try to remember to pull a measurement tomorrow. I don’t remember exact numbers but it was as much as possible without moving leaf springs and still have room for the disk brake brackets. When I cut the rear ended, I used the large bearing ford outer to delete the c clips.

bagged01extcab 02-21-2019 10:18 PM

Re: 1980 Stepside gmc
 
4 Attachment(s)
Quote:

Originally Posted by 808_67C10 (Post 8471381)
Looking sick... if you have time and the bed is still off, can you snap some more pics of how you did the rear suspension?

Texas two link with trac bar. Behind the axle brackets installed in front of the axle. That’s all of the pics I have. Let me know if want a pic something particular

Attachment 1878041

Attachment 1878042

Attachment 1878043

Attachment 1878044

bagged01extcab 02-21-2019 10:35 PM

Re: 1980 Stepside gmc
 
5 Attachment(s)
I installed noico 80 mill butyl sound deadener inside the cab and started putting some things back in/on the cab. I cleaned up the inside wiring harness and rewrapped it also.

Attachment 1878047

Attachment 1878048

Attachment 1878049

Cab ready to go back on frame
Attachment 1878050

Cab on frame and bolted down. I also installed driveshaft, valve covers, intake manifold and water neck
Attachment 1878051

Today I also painted the drivers door hinges, some bolts, and the vintage air block off plate base/clear white. I had planned to paint the passenger side to but it needs bushings. I’ll paint it with the next batch.

I have also started body work on the passenger door and have been looking for a clean drivers door but have not been able to locate a decent one. The original driver door was straight and rust free but was cracked around the upper hinge bolts. I have a parts truck out back that has the large tow mirrors that otherwise has decent door on it. It’s looking like I’ll be welding the holes up on it, unless I just get lucky and find a door

bagged01extcab 02-21-2019 10:45 PM

Re: 1980 Stepside gmc
 
1 Attachment(s)
I left out that I also finished cleaning up and painting the motor that came in the truck and installed it with the trans back into the frame rails. The motor ran good and I’m hoping that the Edelbrock carb/intake and a set of header with dual exhaust will waken it up a little. Oh and the narrowed 12 bolt has 3.73 gears where the original 10 bolt was 3.08. That should help also

Attachment 1878056

808_67C10 02-22-2019 10:58 AM

Re: 1980 Stepside gmc
 
Quote:

Originally Posted by bagged01extcab (Post 8471574)
Texas two link with trac bar. Behind the axle brackets installed in front of the axle. That’s all of the pics I have. Let me know if want a pic something particular

Attachment 1878041

Attachment 1878042

Attachment 1878043

Attachment 1878044

Right on, thank you. I have the same Texas Metal 2 link... I was curious about how you ran the trac bar... never seen it on the link like that or with that much angle. How much power are you going to be running from that SBC? How much side to side do you get when you cycle the truck up and down?

Dads79GMC 02-22-2019 12:42 PM

Re: 1980 Stepside gmc
 
Quote:

Originally Posted by 808_67C10 (Post 8471880)
Right on, thank you. I have the same Texas Metal 2 link... I was curious about how you ran the trac bar... never seen it on the link like that or with that much angle. How much power are you going to be running from that SBC? How much side to side do you get when you cycle the truck up and down?

Frank, I figured you'd be watching this build. It's a great example of a two link system without a big c-notch.

I'd like to see the actual links on both ends of the trac bar.

Well done!!!

Thanks Mike

bagged01extcab 02-22-2019 02:50 PM

Re: 1980 Stepside gmc
 
Quote:

Originally Posted by 808_67C10 (Post 8471880)
Right on, thank you. I have the same Texas Metal 2 link... I was curious about how you ran the trac bar... never seen it on the link like that or with that much angle. How much power are you going to be running from that SBC? How much side to side do you get when you cycle the truck up and down?

It’s not a “Texas Metal” (Ekstensive Metalworks) built two link. I built it myself. Texas two link, is just what I called it due to it seems more common in Texas. Ekstensive rear kit uses a pan hard bar. Mine is a trac bar. I’ll try to get some pics of trac bar mounts today

bagged01extcab 02-22-2019 07:53 PM

Re: 1980 Stepside gmc
 
Quote:

Originally Posted by rip2174 (Post 8470431)
How much did you have to narrow the rear end?


I toke out 3.75” per side


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