Author Topic: Rear Wheel Well Plugs - Before or After Undercoating?  (Read 2555 times)

jeff68

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Rear Wheel Well Plugs - Before or After Undercoating?
« on: December 19, 2012, 06:02:26 PM »
Were the plastic plugs in the rear wheel wells (3 each side) installed before or after the undercoating was applied to these areas?

My originals had some undercoating on them, but I think it was from a quick re-coat that I did back in the 80's. 
68 L30 / M20 Convertible
Ash Gold

67 RS Ragtop

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #1 on: December 19, 2012, 08:25:47 PM »
Not sure on the '68s, but my '67 showed no evidence of undercoating at the plugs. That's not to say it didn't come off in the last 40+ years, but I see no indications of having been sprayed. JMO

Mike S

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #2 on: December 19, 2012, 10:31:55 PM »
 I just checked my 67 4B LOS and all plugs are clean of any coating.
In both wheel wells  there is a large thick clump of undercoating and the plugs look like they were installed with the coating still wet because they sit within the clump but are not covered by it.

Mike
67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored

68camaroz28

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #3 on: December 20, 2012, 03:30:00 AM »
Our 68 plugs were clean Jeff.
Chick
68 Z/28 NOR 01B Orig motor/trans/rear
69 Z/28 NOR 07A Orig Block & GM Cross-ram/carbs
69 L34 Rest. Nova Father/Son Car
69 L78 Surv Nova Purch 4/69 31K miles
67 L89 Corv Tribute
68 Corv 427/400 Orig motor
07 Corv Z06
R 68Z build- http://www.camaros.net/forums/showthread.php?t=182584

69Z28-RS

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #4 on: December 20, 2012, 05:29:08 AM »
My '69 has factory undercoating over the plugs...

Gary
Gary W / 09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe, '70 Mach I 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan

jeff68

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #5 on: December 20, 2012, 02:16:44 PM »
Our 68 plugs were clean Jeff.
Chick - Are they rubber or plastic?  
68 L30 / M20 Convertible
Ash Gold

lynnbilodeau

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #6 on: December 20, 2012, 08:15:19 PM »
My 69 08A car had some sound deadener on the plugs.  I believe all were rubber.  Didn't take pics, but have the old parts somewhere.

68camaroz28

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #7 on: December 21, 2012, 12:41:53 AM »
Our 68 plugs were clean Jeff.
Chick - Are they rubber or plastic? 
Rubber
Chick
68 Z/28 NOR 01B Orig motor/trans/rear
69 Z/28 NOR 07A Orig Block & GM Cross-ram/carbs
69 L34 Rest. Nova Father/Son Car
69 L78 Surv Nova Purch 4/69 31K miles
67 L89 Corv Tribute
68 Corv 427/400 Orig motor
07 Corv Z06
R 68Z build- http://www.camaros.net/forums/showthread.php?t=182584

Mike S

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #8 on: December 21, 2012, 01:54:00 AM »
So 67 was the only year for plastic in the wheel wells?
Mike
67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored

jeff68

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #9 on: December 21, 2012, 02:11:12 PM »
^^ No.  My 68 had 1 plastic plug.  Seems that the other 5 got 'lost' somewhere along the line.  People with 69s have reported plastic plugs as well.
68 L30 / M20 Convertible
Ash Gold

scoop

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #10 on: December 22, 2012, 02:14:54 AM »
I have been told by the Camaro Nationals Judges that the wheel well plugs need to have undercoating on them to be correct. Scoop

Mike S

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #11 on: December 22, 2012, 03:08:54 AM »
I have been told by the Camaro Nationals Judges that the wheel well plugs need to have undercoating on them to be correct. Scoop

Well then my 67 4B LOS survivor will have failed that inspection because there are zero coatings on any of the plugs. If I were to restore that car I would leave them clean despite what the judges think because they have been that way since I bought the car in 1980 and the car sat for 6 years in a garage before I came alone to buy it.

Mike
67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored

scoop

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #12 on: December 22, 2012, 03:41:02 AM »
You are right. There seems to be many things the judges say are correct buy contradict many documented original cars. Not saying I agree with the judges but just wanted to let you know what they look for.  Thanks, Scoop

Mike S

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #13 on: December 22, 2012, 04:22:17 AM »
 If I should restore the survivor I will make darn sure I get close up pictures of every detail from all around for reference.
I'll have to get a camera with a good macro zoom for that  :)

Thanks for the scoop....'Scoop'  ;D

Merry Christmas,
Mike
67 LOS SS/RS L35 Hardtop - Original w/UOIT
67 NOR SS/RS L35 Convertible - Restored

69Z28-RS

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Re: Rear Wheel Well Plugs - Before or After Undercoating?
« Reply #14 on: December 23, 2012, 05:09:44 PM »
If the car had been well cared for (which lots of early Z28's were ; they are like Corvettes, they were/are either driven very hard, or babied!).. :); anyway, if they were well cared for by a 'car nut', it is possible that the owner removed the plug to ensure there was no trash trapped (which would cause rust with moisture), and to have cleaned the plugs prior to re-installing...  and Yes, I've done things like that before.. :)

It's also possible that the undercoating wasn't done consistently by every person who ever did the job....  (although the undercoating on all my fenderwells seems to be very consistent and per a precise pattern....

Gary
Gary W / 09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe, '70 Mach I 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan