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Lost cause? (doors)

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Old Nov 20, 2005 | 03:42 PM
  #1  
Toehead's Avatar
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From: North Central Mass.
Car: 1985 Berlinetta
Engine: Megasquirted TPI
Transmission: Transgo 700R4
Axle/Gears: 3.42
Lost cause? (doors)

I just bought mint rust free doors. I put them on, got the doors to align properly, then set about adjusting the windows. I just got the windo perfect when I notice that the number one rivet holding the motor on (the one furthest up ) had cracked the metal around it when I was adjusting it. I have nev er adjusted the window before, and I didnt read the artcile beforehand (want aware of it ) but I just read it and I think I was doing everything right. The insied panel of the door, where the motor is rivetted, also seems to flex inward excessively when the window reaches the top. What would cause this? Is this door a lost cause, or can I fix the damage? Please advise
-Brendan
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Old Nov 20, 2005 | 06:51 PM
  #2  
camaro430sut's Avatar
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From: East Haven, Connecticut
Car: 89 Camaro/ 02 GC Overland
Engine: 355 V8/ 4.7 HO V8
Transmission: T5/ 545RE
Axle/Gears: 10 Bolt 3.73/ Dana 30, Dana 44 3.73
most thirdgen doors that ive seen have had this crack. it just seems like a weak area under alot of stress from the motor. ive never heard of anyone having a problem with the crack being there as long as it isnt huge.
matt
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Old Nov 20, 2005 | 06:57 PM
  #3  
Toehead's Avatar
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From: North Central Mass.
Car: 1985 Berlinetta
Engine: Megasquirted TPI
Transmission: Transgo 700R4
Axle/Gears: 3.42
I think I am going to weld the cracks, smooth, weld a washer over them, then weld in some thick bar stock to keep the area from flexing again. Think that would work?

edit... If i don't do something about it, it will get huge. there is no reason the area should flex like that either, with proper reinforcement. I just verified with my other door that the flexing isnt anything out of the ordinary.... however, metal fatigue is cumulative, and i want to stop this before it becomes a problem. I'll probably do the same for the other door i'm installing too

Last edited by Toehead; Nov 20, 2005 at 07:01 PM.
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Old Nov 21, 2005 | 12:51 PM
  #4  
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From: North Central Mass.
Car: 1985 Berlinetta
Engine: Megasquirted TPI
Transmission: Transgo 700R4
Axle/Gears: 3.42
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Old Nov 22, 2005 | 11:09 AM
  #5  
Toehead's Avatar
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From: North Central Mass.
Car: 1985 Berlinetta
Engine: Megasquirted TPI
Transmission: Transgo 700R4
Axle/Gears: 3.42
Maybe I should rephrase that.... has anybody else reinforced that section? Is it a good idea? Or, should I just repair the damage and call it good?
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Old Jul 3, 2006 | 02:29 PM
  #6  
Scottlb9's Avatar
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From: NYC
Car: 1991 Formula
Engine: 5.0 TPI
Transmission: T-5
Originally Posted by Toehead
Maybe I should rephrase that.... has anybody else reinforced that section? Is it a good idea? Or, should I just repair the damage and call it good?
I just picked my car up from having this done only a few minutes ago!

The cracks were welded and smoothed and a plate was welded on top of that and re-rivited.

So my answer is "It cant hurt to fix and reinforce it".
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Old Jul 3, 2006 | 02:49 PM
  #7  
TKO500's Avatar
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From: Pelham, NH
Car: 91 B4C, 17 C7 GS, 16 Denali DMax
Engine: LS3, LS3, LML
Axle/Gears: 3.23, 3.42, 3.23
Originally Posted by Scottlb9
I just picked my car up from having this done only a few minutes ago!

The cracks were welded and smoothed and a plate was welded on top of that and re-rivited.

So my answer is "It cant hurt to fix and reinforce it".
I just did this exact same thing to my door 2 weeks ago. On my door the stress of the rivet actually blew a hole right through the sheetmetal in the door.

I definately recommend doing the same thing as Scottlb9 did. You wont have to worry about it happening again!
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