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Old 09-15-2016, 12:18 PM   #51
lyrikz
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Re: 1972 Blazer CST Frame off Project in NC

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Originally Posted by UGAK5 View Post
Also, here are a few more progress pics!

ORD came through with the leaf springs.

I also tackled the Transfer Case......I got it apart, now we will see if I can get it back together.

Also have the axles stripped down and getting them ready to prime, paint and rebuild. Same plan with the tranny.....I found a guy who has been in business 43 years and knows a TH350 inside and out - - used to build tractor pull trucks.

Woohoo. My springs are sitting here waiting for my frame to come back.
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Old 09-15-2016, 12:48 PM   #52
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Re: 1972 Blazer CST Frame off Project in NC

Congrats! Mine too! LOL
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Old 09-15-2016, 08:34 PM   #53
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Re: 1972 Blazer CST Frame off Project in NC

More parts p@rn!

I got my refurbished wheels back today!

$100 to buy. $80 to blast. $100 to straighten, prime and paint. They aren't perfect, but not too bad for late 70s Ralleyes for $280!

See post #25 for the before pic.
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Old 11-06-2016, 07:15 AM   #54
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Re: 1972 Blazer CST Frame off Project in NC

Ok - So its been 6 weeks or so since my last post, but have ben making lots of progress and will use this post to describe some of it, and then post a few series of pics that go with each one. As usual, the forum here has been a priceless source of information - - - THANKS to everyone who posts and responds to PMs!

Transfer Case - I posted a pic of the disassembled T Case and thanks to jbclassix rebuild post on them, I have mine back together and I modified it to a twin shifter with a kit I acquired from JB Fabrication in Oregon. I had to search around to find a rebuild kit that didn't use chinese bearings - but found one that was all Timken and a few NSK. I even found a NOS MRC bearing for the front of the adapter plate where it connects to the TH350. Pics in the posts below.

Axles - I took them to the powertrain shop I decided on and had them disassembled. I am decent mechanic and a pretty good parts changer, but I felt like I didn't have the tools or experience to build the differentials, set backlash and check tooth patterns and all. After the disassembly, I took the casing and external pieces to my blaster and paint guy and had them blasted, primed and painted. Turned out nice. Pics posted below.

The D44 gears got wet and had some pitting - but worse - they were 308s. I had hoped for 373s, so, the pitting gave me a good reason to justify the expense. I went with Spicer US made OEM gears in the D44 (not their Indian made SVL line). Went with a full rebuild - new bearing (Timken) seals, etc. All the other hard parts were salvageable. I did buy new Warn lockers - as the drivers side was water damaged pretty badly.

The GM12 bolt gears were replaced with Motive 373s. Other hard parts were good - but rather than rebuild the GM Posi, I went with a Detroit Truetrac. No clutches to wear out and no need to for additives in the diff case. I also used this time to replace the brake backer plates and upgrade to the bigger rear drums.

TH350 - I found an old school guy in his late 60s that has been rebuilding TH350s for 40 years, so he built mine. Had to replace the case as it had an internal crack, improved the bushings, put a shift kit in it, asked him to beef it up to handle up to 450HP. Went with a 2500 rpm stall converter. No pics of it yet.

Body Work - Richie has been hanging sheet metal and making adjustments. Got the new bed floor, bedsides and doors hung - now is the fitting. Time consuming. Also decided to replace the replaced rockers. PO did some hack work. Hopefully, I will get the frame back in December and can start putting the rolling chassis together. Right now - I have a pile of parts ready to go on! Some body work pics below.

Parts - Acquired a few more things over the last few weeks. Energy Suspension motor, tranny and Tcase mounts. Inline tubing brake and fuel lines. New fuel tank. Complete E brake cable kit. Like I said, ready to start bolting stuff on.
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Old 11-06-2016, 07:20 AM   #55
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Re: 1972 Blazer CST Frame off Project in NC

Axle Pics
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Old 11-06-2016, 07:24 AM   #56
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Re: 1972 Blazer CST Frame off Project in NC

T Case and some frame pics
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Old 11-06-2016, 07:26 AM   #57
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Re: 1972 Blazer CST Frame off Project in NC

Body work pics
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Old 11-06-2016, 11:25 AM   #58
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Re: 1972 Blazer CST Frame off Project in NC

Great progress, thanks for posting. Where did you get the NP205 rebuild kit? I have one to rebuild and want all USA made replacement parts.
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Old 11-06-2016, 11:45 AM   #59
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Re: 1972 Blazer CST Frame off Project in NC

Thanks - - I got my kit from Off Road Design - - they build a ton of 205s and I felt they would use good quality parts in their kits. Torque King 4x4 is a great resource too - - their kits are very $$$ though. I did buy a few seals from them and a new speedo nut.....PO used a chisel to get it off at one point and butchered it badly. Like I said, I did get some Japanese bearings, but they are great quality.
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Old 11-10-2016, 06:48 AM   #60
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Re: 1972 Blazer CST Frame off Project in NC

Does anyone have good measurements for the distance between the B pillars? Just trying to make sure we have everything lined up properly.
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Old 11-11-2016, 05:53 AM   #61
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Re: 1972 Blazer CST Frame off Project in NC

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Does anyone have good measurements for the distance between the B pillars? Just trying to make sure we have everything lined up properly.
As I suggest to anyone aligning Blazer bodies. Mount the body to the frame with new body mounts and install the hardtop. Then install the front clip and doors. Adjust as necessary.
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Old 11-12-2016, 08:53 PM   #62
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Re: 1972 Blazer CST Frame off Project in NC

Want to thank Turp McSpray for providing excellent advice that really helped with our hanging the quarters! Here's today's progress:
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Old 11-12-2016, 09:42 PM   #63
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Re: 1972 Blazer CST Frame off Project in NC

Looking good! Glad I could be of help!
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Old 01-30-2017, 02:50 PM   #64
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Re: 1972 Blazer CST Frame off Project in NC

So - I am in need of some help!

1) Does anyone have some good pictures of a K5 frame (body off) that would show the proper routing of the fuel lines, brake lines, tail light wiring harness etc?

2) While I am asking - anyone have a decent pic of the brace that goes under the bed that the rear seat bolts into? I need to fabricate one up and would like to see what it looks like mounted under the truck. I have seen one pic of one that was for sale and been taken off, but that didn't give me all I wanted to see.

Would appreciate any help you guys can offer.....Should have a rolling chassis by end of February and start the painting late Feb/early March!
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Old 01-30-2017, 08:10 PM   #65
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Re: 1972 Blazer CST Frame off Project in NC

Here you go..Hope this helps. I believe the lines are detailed in the Service Manual, but pictures are always better

Brake & Fuel lines
https://www.dropbox.com/sh/hayh08lia...U1vrvpX2a?dl=0

Underneath bed for rear seat.
https://www.dropbox.com/sc/39p4oi8br...9QWGtOPZkPF8Ua

https://www.dropbox.com/sc/yom33sgz0...cUQCkQfTDK8Pua
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Old 01-30-2017, 10:32 PM   #66
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Re: 1972 Blazer CST Frame off Project in NC

You are the man DarkOlive! Thanks!

And your paint is looking great - - fun to see the progress.
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Old 01-30-2017, 11:47 PM   #67
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Re: 1972 Blazer CST Frame off Project in NC

I documented many bolts, lines, etc on my blazer build - click the link in my signature below
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Old 01-31-2017, 05:12 AM   #68
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Re: 1972 Blazer CST Frame off Project in NC

Thanks Pete - - your thread is going to be amazingly handy for me since I am reassembling something I didn't take apart!
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Old 01-31-2017, 02:41 PM   #69
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Re: 1972 Blazer CST Frame off Project in NC

no problem. happy to help. I also have Pete's build bookmarked on my computer.
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Old 02-07-2017, 08:26 PM   #70
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Re: 1972 Blazer CST Frame off Project in NC

Hey Dark Olive (or anyone for that matter) -

The pics you shared on the fuel lines should be helpful......do you have any that are larger, meaning show more of the line and frame? Some wide shots that help me figure which piece goes where would help.

Thanks!
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Old 02-09-2017, 11:08 PM   #71
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Re: 1972 Blazer CST Frame off Project in NC

PM sent. These are the best I could find. Hope this helps
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Old 02-10-2017, 07:09 PM   #72
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Re: 1972 Blazer CST Frame off Project in NC

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PM sent. These are the best I could find. Hope this helps
It does - Thanks!
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Old 02-17-2017, 09:15 AM   #73
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Re: 1972 Blazer CST Frame off Project in NC

New issue to solve........Bed leveling mat.

I am curious what solutions folks have created to replace the bed leveling mat. My truck didn't come with any and they are hard to find. I have also decided to move my rear seat to be centered between the wheel wells (back about 3 inches), so i need to fab up a mat, since I am putting carpet back in.

Obviously I could buy a bed mat and cut it down - and may - but want to see if someone has a worked with a specific one or found a great alternative.

Would appreciate hearing about people's solutions.

And a teaser - got my frame back last night, so starting the frame reassembly and hoping to hand the leaf springs and axles this weekend!
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Old 02-19-2017, 06:31 AM   #74
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Re: 1972 Blazer CST Frame off Project in NC

So, the chassis is done! Almost........all it took was 2 buddies, my new friend ochre1971 (thanks for bringing your blazer over!), 4 hours, 2 ratchet straps, 3 2x4s, bottle jack - and a total disregard for personal safety.....

Yesterday, we hung my new ORD custom front and rear leaf springs, got the front axle on and everything torqued to spec, we just couldn't finish hanging the rear axle. The U Bolts that came from ORD for the rear also incorporate 'a reversal' that switches the U bolts to bolting on top of the leaf instead of under the leaf (which I like), but that requires a custom top plate that unfortunately was left out of the box. Nothing a phone call cant fix tomorrow.

Otherwise, I am very happy with all the parts from ORD. Front leafs went in pretty easy - just a 2x4 for compression and some minor persuasion with a dead blow to align the second eye. The new pin on the leaf is a tad under 5/8" and the original Dana 44 alignment holes were right at 1/2". Sending my reluctant wife to Home Depot for a drill bit fixed that. Done.

Rear leafs were more challenging. Since these leafs have an engineered 3" lift in them, they have a significant arch until they get installed under a load. this makes them too short to reach eye to eye. So our solution (after some trial and error) was to connect the front eye, then use a ratchet strap wrapped around the center of the leaf and the top of the frame - wedge a few smaller (12 to 14") 2x4s between the frame and leaf to compress it - which lengthens it. Then, we put a 2x4 (about 36") and a bottle jack (about 10" closed) between the 2 eyes and started pumping - and praying - for it to work, and not pop out kill someone. Based on my ability type this morning, the prayers worked! I'd have gotten a pick of this technique, but we were kinda distracted.

Enjoy the pics!
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Old 02-19-2017, 11:38 AM   #75
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Re: 1972 Blazer CST Frame off Project in NC

Looks great. I can't help with an alternate to OEM leveling mat solution other than to mention that some guys have used mats in their pickup beds and these may have the necessary ribs - a search should yield several threads on rubber bed mats from the pickup board.
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