1971 K10 Stepside - Getting a Roller Roadworthy - Page 7 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**pjmoreland** · 11-04-2024, 11:53 PM

Painted the perches

**'68OrangeSunshine** · 11-04-2024, 11:57 PM

Quote:

Originally Posted by pjmoreland

Welded new perches onto the rear axle this evening. Decided to set them at the stock angle since my suspension is at stock height.

Very nice welds.

**pjmoreland** · 11-05-2024, 12:39 AM

Quote:

Originally Posted by '68OrangeSunshine

Very nice welds.

Some of them look better than others, and naturally I chose the nicest one for the photo.

**'68OrangeSunshine** · 11-05-2024, 05:56 AM

Quote:

Originally Posted by pjmoreland

Some of them look better than others, and naturally I chose the nicest one for the photo.

I can't weld at all. Wish I did.

**loudchevy** · 11-05-2024, 09:58 AM

Quote:

Originally Posted by pjmoreland

Some of them look better than others, and naturally I chose the nicest one for the photo.

Nice work cleaning that rearend up. I'm guessing your least aesthetic weld was 1000x better than the booger welds you have ground off that truck.

Love the consistent progress you're making.

**pjmoreland** · 11-05-2024, 10:55 AM

Quote:

Originally Posted by loudchevy

Nice work cleaning that rearend up. I'm guessing your least aesthetic weld was 1000x better than the booger welds you have ground off that truck.

Love the consistent progress you're making.

Thank you. I'm looking forward to having the rear end back in place.

**pjmoreland** · 11-06-2024, 12:34 AM

Installed the front carrier and pinion bearings. Thankfully, my wife is entertained when I "cook" car parts.

**pjmoreland** · 11-08-2024, 12:12 AM

Cleaned up the rear leaf springs and u-bolts with a wire wheel and then painted them. It appears that there is a GMC logo on the u-bolt saddles.

**pjmoreland** · 11-08-2024, 12:13 AM

U-bolts and retainers

**1970cstblazer** · 11-08-2024, 08:22 AM

3824491 dates back to model year 1963 and was used through 1972.

**pjmoreland** · 11-08-2024, 10:38 AM

Quote:

Originally Posted by 1970cstblazer

3824491 dates back to model year 1963 and was used through 1972.

Interesting. I did a search on the part number, and I saw a thread that says these cast pieces like to break in half. I'll take my chances for now, but I should probably replace them eventually.

**1970cstblazer** · 11-08-2024, 01:16 PM

Quote:

Originally Posted by pjmoreland

Interesting. I did a search on the part number, and I saw a thread that says these cast pieces like to break in half. I'll take my chances for now, but I should probably replace them eventually.

Yes, I have broken one. When tightening them, you must tighten slowly and evenly or they will easily break. My donor Blazer supplied another one for the project. 1967-68 trucks did not use these.

**pjmoreland** · 11-09-2024, 12:28 AM

Reattached the rear axle to the leaf springs.

**pjmoreland** · 11-10-2024, 01:48 AM

Spent some time working on the front axle today. Cleaned some rust out od the inside of the housing. Gave the outside a quick cleaning with a wire wheel and sprayed some paint on it. There was a decent sized dent in the diff cover that I straightened out using the Hydraulic press. That cover is thick.

**pjmoreland** · 11-10-2024, 01:49 AM

More photos

**pjmoreland** · 11-10-2024, 01:52 AM

Also cleaned up and painted the rear brake components with high-temp paint.

**'68OrangeSunshine** · 11-10-2024, 04:12 AM

Dude, you're an Artist. You sculpt Chevy Trucks out of rusty steel.

**CUSTOM/10** · 11-10-2024, 08:06 AM

Nice work on rebuilding those differentials Patrick !!!
I just completed doing both of mine and it's a lot, but you made it look quick & easy...
Amazing progress !!! Keep it going.
Gary

**pjmoreland** · 11-10-2024, 10:49 AM

Quote:

Originally Posted by '68OrangeSunshine

Dude, you're an Artist. You sculpt Chevy Trucks out of rusty steel.

I have this special tool that transfers the rust from the truck to my face.

**pjmoreland** · 11-10-2024, 10:53 AM

Quote:

Originally Posted by CUSTOM/10

Nice work on rebuilding those differentials Patrick !!!
I just completed doing both of mine and it's a lot, but you made it look quick & easy...
Amazing progress !!! Keep it going.
Gary

The way the shims go behind the bearings on this Dana 44 looks like a real pain compared to a 12-bolt. It would be nice if everything is still in spec using the same shims, but I doubt I'll be that lucky.

**'68OrangeSunshine** · 11-10-2024, 08:31 PM

Quote:

Originally Posted by pjmoreland

I have this special tool that transfers the rust from the truck to my face.

I have a similar relationship with Gear Lube.

Seriously -- wear safety glasses.

**pjmoreland** · 11-13-2024, 12:45 AM

It's chilly outside this evening, so I wasn't very excited to be out there laying on the asphalt, but I went ahead and did it anyway. Got the front differential reassembled. The pinion preload and the carrier backlash are good. The carrier preload is good and tight. The gear pattern could be better, but I can tell that it matches the wear marks on the teeth, so I'm not going to mess with it. It feels smooth when rotated.

**pjmoreland** · 11-13-2024, 12:47 AM

More photos

**pjmoreland** · 11-13-2024, 12:48 AM

Last photo

**CUSTOM/10** · 11-13-2024, 07:22 AM

Those shims are a PITA... I honed out a set of bearings & races to a slip fit to mock-up the gear pattern. I was changing the gear ratio so the shims were totally different. It was still a PITA.

Good looking work.
Gary

11-04-2024, 11:53 PM	#151
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy Painted the perches Attached Images

11-06-2024, 12:34 AM	#157
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy Installed the front carrier and pinion bearings. Thankfully, my wife is entertained when I "cook" car parts. Attached Images

11-08-2024, 12:12 AM	#158
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy Cleaned up the rear leaf springs and u-bolts with a wire wheel and then painted them. It appears that there is a GMC logo on the u-bolt saddles. Attached Images

11-08-2024, 12:13 AM	#159
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy U-bolts and retainers Attached Images

11-08-2024, 08:22 AM	#160
1970cstblazer All stock and staying that way Join Date: Jul 2003 Location: Elkland, PA Posts: 1,845	Re: 1971 K10 Stepside - Getting a Roller Roadworthy 3824491 dates back to model year 1963 and was used through 1972. __________________ 1970 K/5 Blazer CST 4WD, Medium Bronze, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion.. 1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor... 2017 Sierra 1500 SLT 4WD, Black, 45k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2... 2019 Canyon SLT 4WD, White, 62k miles, 3.6, 8L45, 3.23 LS, 18" wheels

11-09-2024, 12:28 AM	#163
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy Reattached the rear axle to the leaf springs. Attached Images

11-10-2024, 01:48 AM	#164
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy Spent some time working on the front axle today. Cleaned some rust out od the inside of the housing. Gave the outside a quick cleaning with a wire wheel and sprayed some paint on it. There was a decent sized dent in the diff cover that I straightened out using the Hydraulic press. That cover is thick. Attached Images

11-10-2024, 01:49 AM	#165
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy More photos Attached Images

11-10-2024, 01:52 AM	#166
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy Also cleaned up and painted the rear brake components with high-temp paint. Attached Images

11-10-2024, 04:12 AM	#167
'68OrangeSunshine Senior Member Join Date: Feb 2002 Location: Tucson, AZ USA Posts: 7,509	Re: 1971 K10 Stepside - Getting a Roller Roadworthy Dude, you're an Artist. You sculpt Chevy Trucks out of rusty steel. __________________ Every 25 years I like to rebuild that 292, whether it needs it or not.

11-10-2024, 08:06 AM	#168
CUSTOM/10 Senior Member Join Date: May 2003 Location: Sandown, NH Posts: 2,851	Re: 1971 K10 Stepside - Getting a Roller Roadworthy Nice work on rebuilding those differentials Patrick !!! I just completed doing both of mine and it's a lot, but you made it look quick & easy... Amazing progress !!! Keep it going. Gary __________________ Gary 72 SWB 4x4 My 72 SWB Build http://67-72chevytrucks.com/vboard/s...d.php?t=259859

11-13-2024, 12:45 AM	#172
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy It's chilly outside this evening, so I wasn't very excited to be out there laying on the asphalt, but I went ahead and did it anyway. Got the front differential reassembled. The pinion preload and the carrier backlash are good. The carrier preload is good and tight. The gear pattern could be better, but I can tell that it matches the wear marks on the teeth, so I'm not going to mess with it. It feels smooth when rotated. Attached Images

11-13-2024, 12:47 AM	#173
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy More photos Attached Images

11-13-2024, 12:48 AM	#174
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,002	Re: 1971 K10 Stepside - Getting a Roller Roadworthy Last photo Attached Images

11-13-2024, 07:22 AM	#175
CUSTOM/10 Senior Member Join Date: May 2003 Location: Sandown, NH Posts: 2,851	Re: 1971 K10 Stepside - Getting a Roller Roadworthy Those shims are a PITA... I honed out a set of bearings & races to a slip fit to mock-up the gear pattern. I was changing the gear ratio so the shims were totally different. It was still a PITA. Good looking work. Gary __________________ Gary 72 SWB 4x4 My 72 SWB Build http://67-72chevytrucks.com/vboard/s...d.php?t=259859



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