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#26 |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
I ordered the crush sleeve kit and since I hadn’t personally done a differential since about 1980, I viewed a couple good video’s to brush up, then dove in. The shim driver I fabricated made reinstalling the new shims simple.
Basically I tightened the pinion nut until the pinion had a rotational torque of 15 inch pounds on the used bearings, placed the same thickness new shims back in beside the gear carrier bearings and verified backlash. Actually getting the pinion flange to tighten was a hurdle as there apparently was interference in the splines to the pinion gear splines. Multiple thorough cleaning and polishing with emory cloth resolved the issue. |
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#27 |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Threw the drum brakes back on, mounted the shop rollers and wife hit differential with a coat of paint.
I did explore using rear disc brakes from a late 2008ish Silverado. To make it work would require (I think) a new axle tube end and axle bearing flange in the tube….too involved for our timeframe. So I shelved that idea for another time or project. Interesting was the leaf spring pin on the right side wasn’t seated in the saddle on the axle tube properly, probably from when new. Garth must have been dog legging a bit. I didn’t address the deformation as the lowering flip kit will put the spring under the axle tube. |
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#28 |
Registered User
![]() Join Date: Mar 2007
Location: Scotts, Michigan
Posts: 3,770
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Moving right along Doug. I can hear your AD Suburban swearing at you from here.
Marc
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…………...........__________ .................. ((__|__||___\____ ..;.;;.:;:;.,;..;((_(O))____ (_(O)) 1948 Chevy Truck - Finished SOLD!! 1953 Chevy Suburban "Family Truckster" Completed: Spring of 2021 http://67-72chevytrucks.com/vboard/s...d.php?t=605484 1994 4x4 Blazer - "Field Find" https://67-72chevytrucks.com/vboard/...ferrerid=30857 |
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#29 | |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Quote:
We cleaned up the trans and gave it a painting too. |
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#30 |
Registered User
Join Date: Oct 2014
Location: Kitchener, Ontario, Canada
Posts: 3,254
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
You guys work fast. Looking good, fresh painted parts a nice.
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http://67-72chevytrucks.com/vboard/s...d.php?t=648459 https://67-72chevytrucks.com/vboard/...d.php?t=769441 1951 MG TD 1967 Jeep CJ5 1.9L TDI 33X13.5X15 Mud Grapplers. 1952 GMC 9700 p/u 7.3L diesel on air, dually |
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#31 |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Thanks lower, this Blazer build is pretty much our day job, so we are getting a lot of shop time in on it. Clean, fresh parts are nice!
Wife is a great shop project partner. She likes things neat, organized and tidy which helps productivity. Parts ordering, receiving and verifying, storing and finding again can be challenging. She makes it easy. And she is really good with a wrench too. The leaf spring shackle bushing has been difficult to find. The one that was closest to fitting had a split rubber bushing so I returned it……all taking extra time. |
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#32 |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
We plan to have a rolling chassis by the end of this week.
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#33 |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
While I should have stayed with the factory ac system, I do like the clean look you can have with Vintage Air so we ordered the sure fit system. They make a great product, though I didn’t like the look of the plate that goes over the existing holes.
To avoid using the plate, I filled the holes with 19 gauge by butt weld and metal finishing the shrink as best as possible. It probably would have been cleaner to replace the firewall on that side and maybe less work. I still need to drill for the ac and heater connections, fill small bolt holes and support the evap case under the dash by welding elevator bolts to the firewall. Yeah, I should have stayed with the perfectly good factory system. |
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#34 |
Post Whore
![]() ![]() Join Date: May 2015
Location: Alabama
Posts: 14,630
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Nice firewall work..!!
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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#35 |
Registered User
![]() Join Date: Mar 2007
Location: Scotts, Michigan
Posts: 3,770
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Doug
I stared with a VA sure fit for my Suburban but didn't care for out cluttered it looks coming out of the firewall. I modified my fittings to dump out of the side of the cab and I ran my hoses under the frame and up. It allowed me to really keep everything clean. I also modified my condenser brackets to avoid drilling thru the firewall to mount. I will say I'm not sure how your system is set up but don't be afraid to modify to taste.
__________________
…………...........__________ .................. ((__|__||___\____ ..;.;;.:;:;.,;..;((_(O))____ (_(O)) 1948 Chevy Truck - Finished SOLD!! 1953 Chevy Suburban "Family Truckster" Completed: Spring of 2021 http://67-72chevytrucks.com/vboard/s...d.php?t=605484 1994 4x4 Blazer - "Field Find" https://67-72chevytrucks.com/vboard/...ferrerid=30857 |
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#36 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
n2billet and Roger at RPL Customs used a non-A/C heater box (camaro I think)
to hide the firewall fittings on this squarebody 2wd blazer. Looks clean and factory at the same time.
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#37 |
Senior Member
![]() Join Date: Apr 2013
Location: Houston,Tx
Posts: 780
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
This is really nice..
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1966 C10 Mary 1972 C10 Cheyenne "Betty" https://67-72chevytrucks.com/vboard/...d.php?t=847364 1976 C35 Sierra Grande "Mr. Harvey" 1979 C10 Silverado "The BIG TEN" https://67-72chevytrucks.com/vboard/...d.php?t=841339 1982 C10 Silverado "Lucy" C10 Club Texas -HMIC |
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#38 | ||
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Thanks Greg, hopefully it will come out looking good!
Quote:
Quote:
Yeah, a couple great ideas shared right there…..that is why I appreciate this forum so much! |
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#39 |
Post Whore
![]() ![]() Join Date: May 2015
Location: Alabama
Posts: 14,630
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Wow. The one Keith showed is really nice
__________________
Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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#40 |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
For the suspension components we started with a Bell Tech drop kit…I think it was called a 4 / 6…which included the usual….a flip kit for the rear, lower coil springs and drop spindles for the front.
The instructions, as hazy and copy degraded as they were, called for the rear springs to be re-arched 2” higher to offset too much drop from the flip kit. Instead, we opted for new springs with the additional 2 inches of arch from St. Louis spring company. The springs were ordered on Monday and they arrived at our shop on Wednesday. I am impressed with their speed of manufacture and the quality of the product. While the Bell Tech instructions were difficult to see, a flip kit is pretty straight forward and the parts went together extremely well. |
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#41 |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
About the time the Bell Tech package showed up, I stumbled across the C10 suspension components that Detroit Speed has developed and are producing. In my automotive hiatus, I missed what Kyle had been up to. Wow, talk about being like a kid looking at the Sears Christmas Wish book! For those of us old enough to remember, you know the feeling.
I looked at, studied, evaluated and dreamed about those parts. Bottom line, as cool as they are, I determined this build and intended purpose couldn’t justify the expense of the full DSE package. However, low and behold I had ordered the wrong drop spindles from Bell Tech and I needed to send them back. And I wanted bigger front brakes than stock, which the DSE spindles would provide using factory Silverado calipers with the DSE rotors. And I needed drop spindles anyway, Holley was having 30% off sales, so….. |
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#42 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
So are the DSE spindles considered a drop spindle?
Or are they a 2019+ aftermarket drop spindle from another company?
__________________
Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#43 |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
A few posts ago, I mentioned the original control arms were coated with a combination of tar and concrete. That changed my plans of rebuilding the factory control arms into just ordering new control arms.
I splurged and ordered the upper and lowers from RideTech. Wow are they nice! Our goal was to have a roller by end of this week and we pretty well made it. The powder coat business was struggling with lack of help and they didn’t cover the threads for the upper control arm mounts. They coated them and we cleaned them up. Front assembled nicely. RideTech parts were excellent and instructions were good. Our front shop rollers using Garth’s wheels and new Walmart tires weren’t installed yet as the lug nuts we have wouldn’t work. Still, a day in the shop with a sore old body beats any day I ever had in the office. It was a good week. |
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#44 | |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Quote:
https://www.detroitspeed.com/product...parts/032090DS |
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#45 |
Post Whore
![]() ![]() Join Date: May 2015
Location: Alabama
Posts: 14,630
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
That's sure some disappointing instructions from belltech..even though it's not a technical deal to install,coming from them, you woulda thought they would be crystal clear
That's sure a good looking front setup.. and the brake upgrade....wow!!!!
__________________
Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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#46 |
Just here to tinker
![]() Join Date: Jun 2008
Location: Holland, MI
Posts: 3,692
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Very cool upgrades!
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78 C10 SWB Diesel #1 (wrecked)http://67-72chevytrucks.com/vboard/s...1978+silverado 78 C10 SWB Diesel #2 (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=650751 60 GMC Suburban (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=445526 60 GMC 1000 (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=298235 67 GMC 1500 (sold) http://67-72chevytrucks.com/vboard/s...d.php?t=803695 86 Suburban(summer unit) http://67-72chevytrucks.com/vboard/s...d.php?t=810697 88 Suburban 4x4(winter unit)https://67-72chevytrucks.com/vboard/...25#post8900725 |
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#47 | |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Quote:
Thanks Corts. We hope they work well together. |
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#48 |
Senior Member
![]() Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
So, I can’t say enough positive about Mrs. Advanced Design being an awesome build partner on this one.
I’ve mentioned previously she organizes the myriad of parts and is good with a wrench. She has a work area set up where she has been detailing all the small parts and fasteners we are using, paints all the small parts and quickly dives in to help tighten fasteners or what ever is needing done. A fabulous partner really helps on a build! |
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#49 | |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,698
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
Quote:
Not only will it fix your bolt problem,… it will also stand the shock more vertical so it works better.
__________________
Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#50 |
Post Whore
![]() ![]() Join Date: May 2015
Location: Alabama
Posts: 14,630
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Re: 2wd 1977 Blazer LS swap, mild drop….escalating
That shock mount is a issue..I was gonna say move the mount, but what Keith showed would work just as good if not better
__________________
Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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