#381  
Old 01-26-2023, 10:26 AM
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unruhjonny unruhjonny is offline
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if there is indeed no dates, then the glass is replacement;
All original door mirrors have dates.
You can buy replacement glass at any glass shop.

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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
  #382  
Old 01-26-2023, 01:37 PM
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Still inside the car. Does anyone make the nylon parts to rebuild the 70 only seat tracks. Or does anyone rebuild the 70 seat tracks correct ?. Most of them are crumbling and NOT Safe. Thoughts?

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  #383  
Old 01-26-2023, 06:51 PM
Ramairnacho Ramairnacho is offline
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Default Mirror dates

Quote:
Originally Posted by unruhjonny View Post
if there is indeed no dates, then the glass is replacement;
All original door mirrors have dates.
You can buy replacement glass at any glass shop.
Where are these dates they the original glass.

  #384  
Old 01-26-2023, 07:26 PM
70TA-RAIII 70TA-RAIII is offline
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Located top, center of the mirror glass.

John
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  #385  
Old 02-17-2023, 11:57 PM
Trevor78 Trevor78 is offline
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This just came up while going through information on another page. I haven't looked up my parts manuals yet as about to head out the door to work but others may already know.

1970 chrome base model door mirrors on Camaro (shhh) were 9816862 for RH and 9816863 for LH. Firebirds with the same mirrors were 9814444 for LH and 9814443 for RH, due to the different offset locating lugs and possibly tapered base to suit the different door tops, just like the sports mirrors did. Note also that the odd and even numbers didn't match for typical LH or RH sides. Within a year or two, 2 gaskets had been deleted and just the 9816863 (with LH cast onto it) and the 9814443 (with RH cast onto it). I'm not sure if the taper was removed and these mirrors now mounted flat as head was adjustable. Another mention of these on another group claimed they had both the different Camaro gaskets in their hand, identical in every way other than the part number and LH and RH on them, the revised details were that it would now fit both sides.

That raises another question, does anyone know if the sports mirror gaskets for 1970-up were still 9832126 for Camaro and 9832127 for Firebird? Perhaps they had their own early part number. But mainly wanted to know if the original pattern and spacing of the 4 door mirror holes (2 screws and 2 locating lug options over 3 variations) was the same between 1970 and 1981 models. The Camaro RH inner door plate for mirror option changed shape between early years and later years, I haven't seen the same with Firebird, just the standard 1748701. Again, I don't know if this was due to a gasket and pin spacing change or not or just a revised compact version for each of the models with spacing to suit each.

Or...to sum it up very quickly, did 1970 also use the same 9832127 gaskets for Firebird with same part number and do they still fit perfectly on original doors with the spacing, no changes?


Last edited by Trevor78; 02-18-2023 at 12:05 AM.
  #386  
Old 02-18-2023, 12:41 AM
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The base plastic "gasket" is tapered and unique per side .

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  #387  
Old 02-18-2023, 03:35 AM
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Quote:
Originally Posted by Formulabruce View Post
The base plastic "gasket" is tapered and unique per side .
Are you referring to the base chrome mirror gaskets that are tapered?

  #388  
Old 02-20-2023, 09:31 PM
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All good, found the answer elsewhere. Doesn't affect me or my car but suited this thread.

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Old 03-17-2023, 11:31 AM
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rather than create a new thread, I am going to ask a question here.

Are 1970 Firebird (and Camaro) front speakers esthetically a one-year part too?

To keep this simple;
1) I recently looked into this and noticed that my MPC lists the 1970 speaker as different than the 1971+ speaker;
Grp 9.50 SPEAKER ASSEMBLY FRONT (nov 1974 printing date)
1 - 7311432 1969-70/ALL - LESS BRACKET
1 - 7932772 1971-74/ALL - 4 IN X 10 IN

This is a speaker that is known to have come from a 1970 Trans Am:



This is a speaker that I am not quite sure where I got it, but it needs to be rebuilt:



You can differentiate the first two speakers in two ways (so that you don't think I am showing two different pictures of the same speaker);
1) the stamp on the magnet is oriented 180 degrees from the wire pad(?)
2) this second one has the green positive cable missing

This one is a speaker I probably got from a 1970's Camaro - note that is a completely different shape from the other two "1970" speakers - but it retains the same shaped magnet, and uses the same bracket to hold it up in place.



(if anyone knows how to clean the tarry mess that is from the surround, I am all ears;
The earlier speakers appear to have a glued in place styrofoam surround, while this has a tar strip (like a period window seal) that has been leeching when it gets warm.)

Please notice that all three speakers have the exact same stamped part number on them 7314362.

Now, to throw a curve ball, that MPC listing suggests that 1969-70 speakers are the same, which I find confusing, but when I do an online search for speakers, it looks like 1969 Camaro/Firebird speakers use a dedicated ground wire, while these ones I have here are all grounded speakers.

Thoughts??
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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
  #390  
Old 03-17-2023, 02:14 PM
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The shape difference ( 71 +)was to make more surface area to dash to help with noise, vibration. The tar, oh yes, we used it on speakers to also help with noise ( strips. Not a can of tar) and it actually helped with mid range sound. We had to bend that bracket too, to make it tighter.
Oddly enough we had front speaker dealer kits which were the 70 style speaker and installed in later 70's. We sold a bunch of COPO cars with no radios ( mostly state use strippers ) and a few came in and wanted the 2 way radio they added to have a dash speaker. Grounded speakers in that era worked ok if the bracket was tight. The am radio noise was Very prevalent. And All cars with a radio got a condenser. Men hated that noise during a ball game. Factory " audio tach" lol.
From what I saw, the X body cars used exact same speakers.

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  #391  
Old 03-17-2023, 02:36 PM
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Thank you very much for that

Might you have any idea how to removed the leeched mess from the tar strips?

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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
  #392  
Old 03-17-2023, 03:20 PM
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As I'm sure you've noted, the use in MPC's of the '69-70' descriptor can be confusing. Since 1969 model year production ran long, there was (then) a belief that there was going to be 1969 Firebirds sold new as 1970 model year cars. Of course we know this didn't happen. But because the MPC information needed to be determined very early on for printing purposes, some of those '69-70' applications made it in to print. Earlier dated printings than your 11/74 edition have this even more often.
So long story short, anytime I see that descriptor, I know it is actually referring to a 1969 model year FB.

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  #393  
Old 03-17-2023, 04:37 PM
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that thought had occurred to me, but I figured that since this was the better part of four years after the fact, that any "1970" parts noted during the first half of the actual 1970 model year, would have been removed/resolved by that point.

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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
  #394  
Old 03-17-2023, 05:34 PM
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Quote:
Originally Posted by unruhjonny View Post
that thought had occurred to me, but I figured that since this was the better part of four years after the fact, that any "1970" parts noted during the first half of the actual 1970 model year, would have been removed/resolved by that point.
Yeah, you'd think so. I have at least one of every year MPC starting in 1969 thru '76 and the common 1983 printing. Some '69-70 FB references disappeared and many did not. I'm thinking the ones which did disappear were more likely due to the part itself being discontinued. Don't imagine there was an "Obsolete Master Parts Catalog Department" at GM to check old catalogs for errors.

  #395  
Old 06-25-2023, 02:25 PM
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Quote:
Originally Posted by wwilder9 View Post
Well, This is what I got so far correct me if something is wrong.

01 stainless roof drip edge moldings
02 stainless door edge guards screw in type
03 Washer bottle cap
04 brackets that hold seat belts in.
05 covers for front seat bolts
06 black plastic deflectors at the base of the windshield corners
07 Alternator/power steering/air conditioning brackets
08 core support
09 evap cannister and bracket if it had EES (California car)
10 Hood hinges
11 Low back buckets with headrests
12 Quarter panel dimples (in door jamb)
13 Trunk extensions (with two drain plugs)
14 package / speaker shelf (blower defroster cutout different)
15 Exhaust extensions
16 EES system (I think every component is 70 only!)
17 12 bolt rear
18 Formula hoods don't have metal bracing on sides.
19 Formula Ram Air cleaners are one year only (Pins and dimples for holley)
20 Very early 70 cars have pot metal rear filler panels
21 Early 70 cars have 4 trunk pan drain plugs
22 chrome dash gauge bezels (TA)
23 Water pump pulleys
24 power steering pump (only sec gen)
25 Power brake proportioning valve, bracket lines ect.
26 Carpet hold down clips
27 Window blow out clips
28 JW Wheels
29 Thin lip Shaker single snorkel (TA)
30 Headlight Bezels
31 Front seat belt retractors
32 Last year High Compression
33 Blue Trunk release button
34 different firebird fender script
35 A pillar molding extra screw hole
36 Stainless side window weatherstrip channel
37 trunk floor in back different non EES
38 Plastic wire standoffs
39 sunvisor center tabs
40 Outboard front seat belts
41 code 10 polar white
42 Chrome package on engines
43 Manual trans shift knob
44 Angle cut on chrome exhaust tips
45 Three piece rear view mirror
46 Glove box door 4 rivets (not six)
47 Thermostat housing
48 Round vac can in firewall (non RA)
49 dash wiring
50 Plastic filler on core support (VN A/C cars)
51 door glass weatherstips (shorter in door jam)
52 Lighter woodgrain tone on dash
53 rear quarter trim no ashtray
54 rear seat back frame
Should #33 blue button be removed from this list? Used until replaced by the yellow button in mid 74.

  #396  
Old 06-25-2023, 03:05 PM
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I thought early trunk release buttons were green..

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  #397  
Old 06-25-2023, 04:35 PM
Ramairnacho Ramairnacho is offline
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Me too but I'm rookie

  #398  
Old 06-25-2023, 08:20 PM
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i believe latter ones were yellow, but I cannot recall what colour was used;
I suspect it changed by factory vs add-on, and when the button was manufactured.

That quoted post was from 2008, I was trying to update the list and had that button as item C11.

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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
  #399  
Old 06-25-2023, 08:38 PM
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Yellow buttons also came in 2 sizes. Bigger ones with text were used in bigger cars.

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  #400  
Old 06-25-2023, 10:34 PM
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can anyone who has (or had) a ‘70 with a power release trunk share the colour?

Can anyone clarify when the colour changed?

I believe it’s inclusion on this list suggests that the colour changed for 1971.

My car has very few options, and I have learned from this continued discussion.

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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
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