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1973 Chevelle SS, 350, 4spd. build

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1973 Chevelle SS, 350, 4spd. build - Page 14 Empty Re: 1973 Chevelle SS, 350, 4spd. build

Post by bracketchev1221 Wed Aug 04, 2021 3:14 pm

My problem is at my age remembering half the knowledge I have.
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1973 Chevelle SS, 350, 4spd. build - Page 14 Empty Re: 1973 Chevelle SS, 350, 4spd. build

Post by Joe73 Tue Sep 07, 2021 4:44 pm

Ok, finally got around to polishing my door glass but I havent installed them yet.  Decided to install my back glass and trim.  Did a trial fit by laying it in place with the rubber blocks on the bottom.  Decided that 3/8" butyl would be fine but I'd have to squish it down a bit more.  So I decided to use 5/16" butyl.  Im installing my original factory glass.  I cleaned the pinch weld good with some wax and grease remover and same with the glass.  Ran the butyl around the pinch weld flush with the edge.  Already had some tape on the top and bottom as "witness marks" to make lining it up easier.  I set the glass right into place and it met with the butyl almost everywhere.  Some slight pressing on the glass and everything was in contact.  I put some tape around the body  edge, just in case, while installing the trim.  The trim clicked into place with no issues and its flush with the body.  Im happy with it.  Hoping to grab a new windshield in the near future.  

Then I installed all the front bumper hardware and brackets minus the chrome.  Its alot of pieces.  Had a buddy come by to hold things in place while I tightened things up.  I left the 8 verticle adjustment bolts hand tight so I can line it up with the grill.  Popped the grill in, checked the gaps and tightened it up.  No issues and came out nice.  

I put the window felts back on the door.  They are original GM pieces I purchased back in the late 80s from the dealer.  I cleaned them up a few weeks ago and gave them a coat of Syl-Glyde.  That stuff really rejuvenates rubber pieces!  

New weather strips around the door are installed as well.  Im waiting for some Plasti-Dip to dry on my blow out clips before I can install the upper channel.  My blow out clips coating was peeling and has some slight rust under the coating.  I carefully blasted them, then wiped on some Ospho, kept it wet for a couple minutes, then washed it off.  Let dry, then shot it with some acid etch primer.  Then Plasti-Dip.  Looks good.  

Heres a couple pics.  

1973 Chevelle SS, 350, 4spd. build - Page 14 Rear_g11
1973 Chevelle SS, 350, 4spd. build - Page 14 Rear_g10
1973 Chevelle SS, 350, 4spd. build - Page 14 Front_11
1973 Chevelle SS, 350, 4spd. build - Page 14 Front_12
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Post by ant7377 Tue Sep 07, 2021 10:05 pm

Looks great Joe!!
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Post by Mcarlo77 Tue Sep 07, 2021 10:52 pm

Nice work as usual, Joe!

Interesting to read which thickness butyl tape you ended up using on the rear glass. I researched the process on a number of forums and could never find a general consensus on whether to use 5/16" or 3/8" butyl...no matter whether using original factory glass or aftermarket. Then, of course, there were those who insisted that urethane sealant was the only way to go. Nice to hear results from someone who's work I can respect.
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Post by Joe73 Tue Sep 07, 2021 11:01 pm

Thanks Ant, thanks Steve. 3/8" wouldnt be a problem, just need to squish it a bit more. 5/16" worked well for me with factory glass. I have a new roll of 3/8" that I will be using on the windshield.

Ant, I still have that air cleaner for you. LOL.
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Post by Limey SE Wed Sep 08, 2021 8:30 am

That Looks really Good Joe .... And where does one find the right Seal for the glass as I have to do my Rear glass and side window you think I could use same as the rear seal for the Side Opera window ??

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Post by g3chevy / Mr Pontiac Wed Sep 08, 2021 10:32 am

Looking good Joe! Your car is coming along nicely! When do you hope to have it finished?

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Post by Joe73 Wed Sep 08, 2021 10:50 am

I dont know when it will be finished. For me, its been more of just getting parts out of my way. Tired of moving them around my garage. So might as well install them. Its close to done. I want to have my exhaust pipes tweaked to tuck up even nicer before I install them.

Limey, the 3/8" is 3m 08612 and the 5/16" is 3m 08611. Just google it, it will come up. I got mine through Advance auto parts and hit it with a 20% coupon. Came out to $25 including tax. As for the side windows, I used urethane. Just ran a bead 3/8" high and put it in place. The screw on clips set it to the right depth. Just use a "heavy duty" mechanical chaulk gun. Not the cheapo stamped steel one. You need good pressure to push out the urethane. A power chaulk gun would be even easier.
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Post by g3chevy / Mr Pontiac Wed Sep 08, 2021 12:33 pm

Keep us posted as you get stuff done Joe. Its a great motivator for the rest of us.
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Post by Joe73 Wed Sep 08, 2021 12:45 pm

Will do.  

Picked up the windshield this morning.  Drove down to NYC to a place I know that can order the glass on the spot.  Waited 45 minutes and it arrived.  I paid $175 cash for it.  Ive been seeing prices on the net at around $190-$225 PLUS shipping.  Some shipping was as high as $190 !!.  

Part number is DW00803.  Blue/green shaded top with antenna. If you google it, National Parts Depot in North Carolina has it on sale for $51.  For shipping to NY they want $225 so that was out of the question.  But if someone is close to there, its a great deal!!!!

I laid it in place and it will definitely require 3/8" butyl for a flush fit.  Hope to install it within the next week.

1973 Chevelle SS, 350, 4spd. build - Page 14 Windsh10
1973 Chevelle SS, 350, 4spd. build - Page 14 Windsh11
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Post by Joe73 Wed Sep 08, 2021 6:05 pm

Ok, door glass roller info.  I received Dorman glass roller # 74407.  I matched them up side by side.  Diameter looks good, height looks good.  Diameter and threads of the shaft are different but I'm just looking to use the roller.  

I took a 9/16" box end wrench, put the shaft through it and then clamped the shaft in a vice at the edge of the jaws.  Lifted up on the wrench so the box end is level under the roller.  Two quick hits of a hammer on the bottom of the wrench and the roller pops off.  Technique worked the same on both rollers (dorman and factory).  I mic'ed up the ball ends.  Diameter is the same on both.  Height of the ball on the Dorman is about .004 thousandths shorter.   Doesnt make any difference.  I put some super lube on the old shaft ball and used a block of wood to hit the new roller on the old shaft.  Kept everything level so it snaps on nicely which it did.  

Now I'll order another one for the passenger side.  BTW, I did a side by side with the 74-77 roller with the shoulders.  They match as they did above.  I didnt pop it off the shaft but I think it will snap on just the same.

Hope this helps someone out.

Heres' some pics and the Dorman part number is shown.

1973 Chevelle SS, 350, 4spd. build - Page 14 Door_r10
1973 Chevelle SS, 350, 4spd. build - Page 14 Door_r11
1973 Chevelle SS, 350, 4spd. build - Page 14 Door_r12
1973 Chevelle SS, 350, 4spd. build - Page 14 Door_r13
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Post by g3chevy / Mr Pontiac Wed Sep 08, 2021 6:46 pm

Great info Joe, thanks for sharing!
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Post by Joe73 Sun Sep 12, 2021 6:21 pm

Havent had a chance to install the windshield yet.  Decided to install the GTmat Ultra on the floor.  Took quite a while to do it.  Vacuumed the floor, wiped it down with wax and grease remover, let it air dry for awhile then I started.  Not hard at all to do, just time consuming.   Im not going to do the doors.  Just the floor.

1973 Chevelle SS, 350, 4spd. build - Page 14 Dynama10
1973 Chevelle SS, 350, 4spd. build - Page 14 Dynama11
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Post by g3chevy / Mr Pontiac Sun Sep 12, 2021 9:52 pm

looking good! That stuff makes a world of difference.
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Post by S3TPI Mon Sep 13, 2021 9:00 am

Joe, have you ever had a problem with the butyl releasing after a few years?  I used it one time and that's what happened.
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Post by Joe73 Mon Sep 13, 2021 12:27 pm

Never had an issue with it releasing. Even when I took my current glass out, its been installed for about 20 years, it had to be cut out.
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Post by S3TPI Mon Sep 13, 2021 6:43 pm

Joe73 wrote:Never had an issue with it releasing.  Even when I took my current glass out, its been installed for about 20 years, it had to be cut out.  

After my butyl failed, I had a glass shop put the window in with urethane. That was about 10 years ago, now the urethane has come loose and I'm getting some water leaks. I think I'll give the butyl another try since you've had good luck with it. And, I don't have to take it to a glass shop. Thanks Joe.
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Post by Joe73 Mon Sep 13, 2021 7:20 pm

Two things I've learned. Urethane is great stuff but there are two kinds. One needs primer, the other doesnt. And the pinch weld has to be clean!! AND the pinch weld needs the CORRECT primer for urethane. And some urethanes need the glass to be primed as well. I like to use primerless urethane. That way you check the pinch weld so its clean and smooth and apply some primer to it. Then clean the glass edge and put the urethane on the glass. If I were to do urethane on my car I would definitely go with the "dam" method. That way there is little chance of the urethane squeezing into the interior and making a mess. I didnt use a dam on my triangle quarter glass. Just ran a bead and put it in. The clips set the depth and it looks good.

As for the butyl, 3m does mention "butyl primer". I tried to locate some to no avail. And I couldnt find it on the 3m site. They say epoxy the pinch weld would be best, next best would be new paint which you would scuff with a scotch brite pad to help with adhesion. Thats the way I went since my car has recent paint. Also remember that the moulding clips should sit a pinch below the body surface. I found that my top clip, on both sides of the rear window each sat about even with the body. Since they were both the same I wasnt concerned and the moulding went on nicely. With butyl dont forget to use the palm of your hands to squish the glass down to where it needs to be. And you will also be able to through the glass when it adheres to it.
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Post by g3chevy / Mr Pontiac Mon Sep 13, 2021 7:59 pm

More good info Joe. I didn't realize that you could get a windshield urethane that doesn't require primer. Is this something that 3M makes? Also for anyone wanting to do the urethane installation themselves, here's a video that Power Nation did about 10 years back when they did their Blue Collar build. They show how they installed the front windshield starting at the 9:13 minute mark. Hope this helps.

https://www.youtube.com/watch?v=py5jlat_jcU
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Post by Joe73 Mon Sep 13, 2021 9:02 pm

Im sure 3m has to make it. I used Dow U-428 urethane on my side glass. You still should primer the body but not the glass. And always buy the smallest size primer you can get. It has a short shelf life. They make handy "one time" foam tipped tubes.

https://www.amazon.com/Dow-U-428-Windshield-Urethane-Adhesive/dp/B00J9PQ86W
https://www.ebay.com/itm/113109996885?chn=ps&_trkparms=ispr%3D1&amdata=enc%3A15xElA2X-S9GwFMh3L9JHaA69&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=113109996885&targetid=1262376589176&device=c&mktype=pla&googleloc=9004192&poi=&campaignid=12874531651&mkgroupid=123924950842&rlsatarget=pla-1262376589176&abcId=9300535&merchantid=101720705&gclid=EAIaIQobChMIkoLM36H98gIVyvvICh0b0wutEAQYAyABEgLW6vD_BwE

And they also make BUTYL in a TUBE !!

https://www.crlaurence.com/crlapps/showline/offerpage.aspx?Productid=12501&GroupID=19964&History=30587:19747:19758:19951&ModelID=19964
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Post by impalamonte Tue Sep 14, 2021 10:50 am

Joe ,

Earlier in the thread you mentioned polishing your door glass.

I have often wondered about it and thought of doing it. Seen it on the YouTubes.

Describe the process you used and can you see appreciable difference ?

Worth the time?


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Post by Joe73 Tue Sep 14, 2021 12:18 pm

Yes, its well worth polishing your glass but its very time consuming. Search you tube for Mirka glass. You will find a bunch of videos. I have to say, I used their polishing pads in the order of 150, 360, 500, 1000, 2000, 3000. Then some Cerium compound to polish out the haze. Ive removed some deep scratches that my finger nail catches very easily. The pads are used try and they wear out pretty quick. The 150 gets a scratch out in no time. Then you just work up to higher grits and then polish.
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Post by Joe73 Fri Sep 24, 2021 7:57 pm

Ok, car is loaded up for a trip to the exhaust shop.  Going to tweek the jegs 2 1/2" exhaust to fit how I like it. Ill post pics when done.

1973 Chevelle SS, 350, 4spd. build - Page 14 On_tra10
1973 Chevelle SS, 350, 4spd. build - Page 14 On_tra111973 Chevelle SS, 350, 4spd. build - Page 14 On_tra12
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Post by ant7377 Sat Sep 25, 2021 10:38 am

Where are you taking it Joe? The guy in Poughkeepsie?
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Post by Joe73 Sat Sep 25, 2021 6:37 pm

Ant, I swung past that guy about 2 weeks ago. He sold the business.
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