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Author Topic: GM Heritage Center Documentation / Underbody color  (Read 64562 times)

NoYenko

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Re: GM Heritage Center Documentation / Underbody color
« Reply #45 on: May 23, 2014, 10:46:15 PM »
Couple more shots.
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Mike S

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Re: GM Heritage Center Documentation / Underbody color
« Reply #46 on: May 23, 2014, 11:08:59 PM »
George,

  Did you spray the car? If so, approximately what spray fan size did you use and how much overlap did you do under the rockers with the blue coat to get that factory look?

Thanks,
Mike
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67 04B LOS SS/RS L35 Hardtop - Original w/UOIT
67 05B NOR SS/RS L35 Convertible - Restored

NoYenko

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Re: GM Heritage Center Documentation / Underbody color
« Reply #47 on: May 23, 2014, 11:50:35 PM »
Mike, I did not spray it but ill try to find out the answer. The car was painted Ohare Auto Body in Bensenville IL. I thought they did an outstanding job, other than covering up most of the lightly stamped date codes. But I can be slightly anal sometimes. George
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janobyte

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Re: GM Heritage Center Documentation / Underbody color
« Reply #48 on: May 24, 2014, 12:38:18 AM »
Very pretty under your car George. Blue works :D.....Ash Gold does not >:(

What you wrote falls exactly in line what I found under my Z. Wondered why the gray ? ( and front 20% pretty accurate)

under my tank (trunk) was barely any coverage what so ever ,had the car sat out over the years , it would have long since rotted away. presented almost as bare metal with very lite surface rust.

Looks like you pretty much nailed what it might have looked like before the undercoating.
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Scott69Z

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Re: GM Heritage Center Documentation / Underbody color
« Reply #49 on: January 02, 2015, 02:44:56 AM »
No Yenko did you use base clear to reproduce the overspray? It looks fantastic I would like to reproduce the overspray on my floor just not sure how to go about it.
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NoYenko

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Re: GM Heritage Center Documentation / Underbody color
« Reply #50 on: January 02, 2015, 01:43:03 PM »
Scott, I had the paint store mix up some single stage paint and sprayed it on with an Air Brush so I could have better control of the spray pattern. Happy New Years, guys. George
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Oaklyss

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Re: GM Heritage Center Documentation / Underbody color
« Reply #51 on: January 03, 2015, 02:29:12 AM »
So good to see overspray being properly sprayed on the underbody!

Now here is the proper rocker black-out on original paint car, mistakes and all:











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1972 AMX 401 4 speed, cowl induction, twin-grip, A/C, unrestored, original paint
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68 RS/SS Ragtop

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Re: GM Heritage Center Documentation / Underbody color
« Reply #52 on: October 13, 2015, 11:38:41 AM »
I've read though this a few times and am trying to summarize as this would apply to may car which is at the "paint the underside stage". So, the consensus here is 68 Norwood car would have a gray primer bottom with primer showing through approximately 20% of the final black corrosion coat. The 20% is made up of around the lower firewall, tunnel, over the rear axle and toward the rear valence/and back end under the gas tank. Instead of spraying a Hammerite coating, if I were to spray a 30% gloss black coat to simulate, then after that, sprayed color and let the color overspray fall where it may, it should be on track as showing something considered technically correct. (Or at least an acceptable attempt :)  )
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Capt Bob
68 Camaro Convertible owned since 1980.
92 Z28- Who doesn't like a Hugger Orange 3rdGen
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cook_dw

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Re: GM Heritage Center Documentation / Underbody color
« Reply #53 on: October 13, 2015, 11:56:36 AM »
Here are pics of the underside of my L78 car.  NOR 03D   I am currently doing a preservation of it and have been working on cleaning the underside of the car.  Over 25hrs to this point and nowhere near complete.  I think George nailed it on replicating the look.. 

These are the before pics.







http://i1310.photobucket.com/albums/s649/cook_dw/1968%20Rallye%20Green%20L78%20Camaro/IMG_4055_zpscgjp1zxl.jpg





Here are the afters on areas














More can be seen here.

http://www.yenko.net/ubbthreads/ubbthreads.php/topics/622058/all/preservation-project-green-mac
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NoYenko

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Re: GM Heritage Center Documentation / Underbody color
« Reply #54 on: October 13, 2015, 12:20:17 PM »
Darrel, Great pictures of a nice original car
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69Z28-RS

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Re: GM Heritage Center Documentation / Underbody color
« Reply #55 on: October 13, 2015, 01:58:50 PM »
Darrel,

What are you using to clean the underside of the car?  Are you using an abrasive of any kind? or just detergents and water?
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69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
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cook_dw

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Re: GM Heritage Center Documentation / Underbody color
« Reply #56 on: October 13, 2015, 02:19:34 PM »
Citrus Degreaser and oven cleaner on heavy areas but do not leave the oven cleaner on for long periods of time..  Once clean I am going back over it with Mequiars #7 polish.  Honestly if it wasnt for the car being as original as it is; it would have been easier to just restore it but thats not how I roll..   8)   ::)   ;D
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69Z28-RS

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Re: GM Heritage Center Documentation / Underbody color
« Reply #57 on: October 13, 2015, 02:24:51 PM »
Quote from: cook_dw on October 13, 2015, 02:19:34 PM
Citrus Degreaser and oven cleaner on heavy areas but do not leave the oven cleaner on for long periods of time..  Once clean I am going back over it with Mequiars #7 polish.  Honestly if it wasnt for the car being as original as it is; it would have been easier to just restore it but thats not how I roll..   8)   ::)   ;D

You are correct that 'restoring' it would be easier..  I know it to be a fact..  :) 
PS.  I used simple green diluted, and then rinsed and dried and it took off the dirt/grime and left original surfaces.. (I laid under mine for a few weeks of nights as well).. :)
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09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan

BillOhio

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Re: GM Heritage Center Documentation / Underbody color
« Reply #58 on: October 13, 2015, 04:41:53 PM »
I will add a couple pictures from the bottom of my car. The burgandy over spray showed up well. Lighter grey was in tunnel and footwells.
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1969 Z28, Burgandy, numbers matching, 12,900 miles
1968 RS 327 4 speed
1970 Z28 M22 4:10 bought from original owner
1961 Chrysler 300G convertible

BillOhio

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Re: GM Heritage Center Documentation / Underbody color
« Reply #59 on: October 13, 2015, 04:44:16 PM »
More pics
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1969 Z28, Burgandy, numbers matching, 12,900 miles
1968 RS 327 4 speed
1970 Z28 M22 4:10 bought from original owner
1961 Chrysler 300G convertible
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