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104927 Posts in 12260 Topics by 4727 Members
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Author Topic: D80 included???  (Read 7870 times)
JohnZ
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« Reply #30 on: October 01, 2010, 09:44:54 AM »

I notice your bolt drops in from the top & a nut is added.On my 69Z10 the subframe is treaded & the bolt just screws in to the frame to hold the spoiler bracket on?

That's not typical of factory production - they didn't use a self-tapping screw.
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'69 Z/28
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« Reply #31 on: October 01, 2010, 10:46:33 AM »

my 05A 69 z is also a tapped hole. maybe done later on to streamline things. sounds like a new thread!!
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69 x77 burnished brown, 711 int 05A bought in 78
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x77-69z28
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« Reply #32 on: October 01, 2010, 10:52:04 AM »

lets start posting production dates! jacmac, l78steve anybody else?
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69 x77 burnished brown, 711 int 05A bought in 78
67 rs/ss 350 butternut yellow 4 speed 2nd owner
70 Z28 forrest green, green int, M40, bk vinyl roof PROJECT
99 SS hugger orange 6spd NO TTOPS bought new 1 of 54
11 cts-v blk diamond  edition wagon 556hp sick!
jacmac
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« Reply #33 on: October 01, 2010, 06:56:03 PM »

69 Z10 04c The sub frame is threaded for a 5/16 bolt "course"
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69 Z10,72 corvette
JohnZ
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« Reply #34 on: October 02, 2010, 12:40:17 PM »

There were NO drilled and tapped holes created anywhere in the assembly plant, and if self-tapping screws had been used in that metal thckness, they would have been FINE thread (5/16"-24). Thousands of spoilers have been added (or replaced), and ALL of the "kits" the vendors sell for attaching them are wrong.
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'69 Z/28
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L78 steve
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« Reply #35 on: October 04, 2010, 08:39:41 AM »

Mine has not been replaced. Its a real 04C Z/28,with the original sub frame. This time period included D80. The hole is too small for a 5/16 bolt to slip through and use a nut. A zip screw is a lot faster to install than a bolt,lock washer and nut. Maybe someone realized this since it is only holding a piece of plastic?  Huh
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69 Z/28 Dover White X33,ZL2,PS,M20,Std.int.04C
67 SS/RS Mt. Green 1W,2LGSR,3SL,4K,5BY,07C
mopar346
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« Reply #36 on: October 06, 2010, 07:22:55 PM »

Mine is 12C and I remember it to be a 5/16 hole, definitely a screw in from the bottom not a bolt and nut situation.
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tryconcom
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« Reply #37 on: October 16, 2010, 09:10:01 PM »

when did D-80 become a mandatory option in 69 z-28s ?
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1968RSZ28
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« Reply #38 on: October 16, 2010, 09:25:08 PM »

when did D-80 become a mandatory option in 69 z-28s ?

Spoilers were optional on Z28's up to approximately April 69. They were then included in the Z28 package.

Paul
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« Reply #39 on: October 17, 2010, 12:12:50 PM »

Why did they start stamping D-80 in the trim tag in may 69 when other options such as am/fm or engines  such as L-78 weren't ? Plus it wasn't stamped in earlier production cars (04and prior) when it wasn't a mandatory option?-why?.
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JohnZ
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« Reply #40 on: October 18, 2010, 09:30:24 AM »

Why did they start stamping D-80 in the trim tag in may 69 when other options such as am/fm or engines  such as L-78 weren't ? Plus it wasn't stamped in earlier production cars (04and prior) when it wasn't a mandatory option?-why?.

Codes stamped on the trim tag were only for Fisher Body information; if an option didn't directly affect how the body was built, painted and trimmed, it wasn't on the trim tag - Chevrolet never looked at it. Incorporation of coding on the trim tag was up to the local Fisher Body plant production control department for their own convenience; that's why trim tag coding was different between Norwood and Van Nuys.
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« Reply #41 on: October 18, 2010, 10:21:03 AM »

My 04C has no D80 on the tag but D80 was mandatory in this time period.
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69 Z/28 Dover White X33,ZL2,PS,M20,Std.int.04C
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zman1969
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« Reply #42 on: August 31, 2011, 07:32:50 AM »

I was told years ago that if you bumped a curb with the spoiler that the support rods would do a number on the sheetmetal- bend fender? seemed to make sense to me so I had never installed the rods fearing this. had thought about using nylon bolts that would break away saving the sheet metal- any thoughts on this? I will be driving my car and I'm carefull but you know "stuff" happens
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Rich

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« Reply #43 on: August 31, 2011, 07:41:55 AM »

Why did they start stamping D-80 in the trim tag in may 69 when other options such as am/fm or engines  such as L-78 weren't ? Plus it wasn't stamped in earlier production cars (04and prior) when it wasn't a mandatory option?-why?.

We theorize it is because of the different deck lid design required by the phasing in of the Firebird Trans Am production at Norwood.
Here is the CRG research Report on the Subject.
http://www.camaros.org/forum/index.php?topic=3752.0
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James
Collectin' Camaro's since "Only Rednecks drove them"
 
Check out the Black 69 RS/Z28 45k mile Survivor and the Lemans Blue 69 Z 10D frame off...
https://picasaweb.google.com/112392262205377424364/1969_Z28_Restoration
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