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My home lathed upper hinge pins and bushings

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Old Sep 10, 2006 | 10:59 PM
  #1  
crazycrocket's Avatar
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From: Alberta
Car: 1985 camaro
My home lathed upper hinge pins and bushings

Here is my hinge pins and bushings I had my buddy machine. They are held in place by big c clips that sit on a groove. Also apparently they work since i recently had my doors back on for a bit and the only movement due to sagging was in the bottom pin because I hadn't replaced it yet. The pins and bushing are machined from grade 8 steel. Best of all with these installed removing your door is as simple as popping out your bottom pin and both the top pins. It doesn't happen often but when it does having to wrench in the bolts under the fender is a pain.

If there is positive replys Im considering making a whole bunch and selling them for considerably cheaper than the tds ones.

Now here are the pictures I apologize about the blurryness the auto focus was being stupid.






Last edited by crazycrocket; Sep 10, 2006 at 11:03 PM.
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Old Sep 10, 2006 | 11:06 PM
  #2  
82 Iron Duke's Avatar
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Watch out LON, you might have some serious COMP!!!
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Old Sep 11, 2006 | 12:04 PM
  #3  
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From: shawnee, ks
Car: 87 Firebird
Engine: 5.3 76mm
Transmission: Rossler TH400, PTC converter
Axle/Gears: Strange 12bolt, 3.08s
So everything still lined up right? Interesting way to fix a sagging door.

So how much are you thinking of charging? lol
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Old Sep 11, 2006 | 12:13 PM
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crazycrocket's Avatar
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Im not sure I gotta talk to my buddy. I was thinkin maybe like 30 bucks a door or something along those lines. Then again it depends on how long it took him to machine them.
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Old Sep 11, 2006 | 03:43 PM
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
I would think bearing bronze would be a bit better for the bushing part instead of steel on steel.
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Old Sep 11, 2006 | 03:53 PM
  #6  
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The bronze bushings gm made didn't seem to hold up too well. This is why i decided on steel. From having the doors on it didn't seem like there was too much friction, then again I have them lubed up pretty good.
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Old Sep 11, 2006 | 08:27 PM
  #7  
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Your car is 21 years old, stuff wears out and that is a wear item. Ever notice when a bronze bushing goes out and it's steel on steel how fast things wear? At least you have the option to make as many as you need when it does get sloppy again.
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Old Sep 11, 2006 | 10:07 PM
  #8  
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From: Edmonton, Alberta
Car: 88 camaro
Engine: 355
Transmission: 700R4
Axle/Gears: 3.73 posi
yeah but the grade 8 steel will wear the hinge first
That's not a good thing cause then it probably won't wear perfectly round and when your door starts sagging you'll need new hinges
But I guess if you keep it lubed well enough it'll be OK for a long time
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Old Sep 11, 2006 | 10:28 PM
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Well considering the bushing had to be pressed in using some threaded bar and it sorta cut its way into the hinge Im hoping its not going to turn.

In any case if I made the bushings outta brass or bronze would anyone be interested?

Last edited by crazycrocket; Sep 12, 2006 at 09:14 AM.
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Old Sep 12, 2006 | 02:06 PM
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From: Washington DC metro
Car: 89 RS
Engine: 2.8
Transmission: 700r4 auto
Axle/Gears: huh?? guessing stock.
possibly inteested, but would MUCH rather have the bushing in Bronz or brass. steel on steel worrys me like stated above. and I am a poor SOB so a good low price is nice.
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Old Sep 12, 2006 | 03:44 PM
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From: Northern CA.
Car: '82 Z28
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Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Brass would be too soft to use.
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Old Sep 12, 2006 | 06:52 PM
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I'm going to be looking into various alloys see what would be good, price and wear are definatly going to be considerations.
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Old Sep 12, 2006 | 06:58 PM
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Car: 1995 Formula; 1976 Trans Am
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Transmission: T56; None
Interested, keep us posted.
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Old Sep 13, 2006 | 11:18 PM
  #14  
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Another thought I am thinkin is that the steel bushings as a precautionary measure could use a small dab of jb weld quick. Then if bushings need to come out and the JB weld won't let them pop out heating them up can break the bond. As far as wear between the pin and the bushing I'm going to polish mine up a bit and see what kind of result that has.

I am still however going to be looking into the bronze because most machine shops should be able to help me locate the stuff.
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Old Sep 14, 2006 | 02:32 AM
  #15  
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Ask about the oil impregnated bronze. Think I have a small bar left of it that I'm going to make my bushings out of just to try.
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