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Old 11-20-2023, 11:57 PM   #1
Steeveedee
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Re: 1970 Grille question.

Is the insert metal or plastic? I believe both types exist. Mine's plastic (repro) and appears to be painted argent.
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Old 11-21-2023, 02:04 AM   #2
custom10nut
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Re: 1970 Grille question.

Mine is the factory original, and it’s plastic.
I think you’re right on the color being Argent Silver
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Old 11-21-2023, 08:39 AM   #3
1970cstblazer
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Lightbulb Re: 1970 Grille question.

The only "silver" I'm aware of on factory built units are the horizontal raised bars that were "silver" or "argent".





When I get to that point on my 1970 Blazer's grille, I'm going to color the horizontal raised bars with this:

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1970 K/5 Blazer CST 4WD, TOTM winner December 2024! Medium Bronze poly, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD Kelsey Hayes wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1970 K20, To be a clone of my Grandfather's K20, Dark Blue poly, 350, 4 speed, 16.5" X 8.25" Kelsey Hayes wheel option, tilt, tach, vacuum, AM radio. Latest project truck

1972 Cheyenne Super 20 2WD, Dark Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 46k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 67k miles, 3.6, 8L45, 3.23 LS, 18" wheels

Last edited by 1970cstblazer; 11-21-2023 at 08:45 AM.
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Old 11-21-2023, 10:18 AM   #4
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Re: 1970 Grille question.

Those 2 pics (of the grill) you posted highlight the only thing that bugs me about replacement outer grills: Original - the horizontal lines continue to the headlight buckets. Replacement - the same lines stop at the parking light.
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Old 11-21-2023, 10:33 AM   #5
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Re: 1970 Grille question.

Was the 69 the same as this with the silver on the insert?
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Old 11-21-2023, 10:51 AM   #6
1970cstblazer
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Lightbulb Re: 1970 Grille question.

Quote:
Originally Posted by HalfBrit View Post
Those 2 pics (of the grill) you posted highlight the only thing that bugs me about replacement outer grills: Original - the horizontal lines continue to the headlight buckets. Replacement - the same lines stop at the parking light.
OEM GM dealer replacement outer grilles 3985054 have been that way since June, 1971.

For some reason not easily explained, GM discontinued outer grille 3980036 in favor of the slightly different 3985054, which is what the reproductions were patterned after. Its super easy to spot an assembly line used grille on these.

The NOS grille going on my 1970 is an old one-box is dated June 1978, and unfortunately it is the second design that does not have the black extending all of the way to the satin black steel headlamp bezels/doors.

Also a note on the satin black steel 1969-70 headlight bezels/doors. GM discontinued them very early on in favor for the bright aluminum bezels that were original equipment on all 1971-72 trucks/Blazers/Suburbans. I think the later aluminum bezels/doors look terrible on the 1969-1970's.

3937473 LH changed to 3990705 in 8/1971

3937474 RH changed to 3990706 in 12/1971
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1970 K/5 Blazer CST 4WD, TOTM winner December 2024! Medium Bronze poly, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD Kelsey Hayes wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1970 K20, To be a clone of my Grandfather's K20, Dark Blue poly, 350, 4 speed, 16.5" X 8.25" Kelsey Hayes wheel option, tilt, tach, vacuum, AM radio. Latest project truck

1972 Cheyenne Super 20 2WD, Dark Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 46k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 67k miles, 3.6, 8L45, 3.23 LS, 18" wheels
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Old 11-21-2023, 03:21 PM   #7
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Re: 1970 Grille question.

So I’ve pretty much come to the conclusion that the color is “Argent Silver”.
The next conundrum I was looking at was what KIND of paint to use (I.E. Craft Paint, Model Paint, etc).
and
How to apply it without making a sloppy looking mess.
I was at the Auto Parts store this morning, and got an idea.
I’m going to use a Touchup Pen.
Easy to apply, easy to control, and very durable.
“Modern Problems call for Modern Solutions” (David Chappel)
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Old 11-22-2023, 10:40 AM   #8
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Re: 1970 Grille question.

Quote:
Originally Posted by custom10nut View Post
So I’ve pretty much come to the conclusion that the color is “Argent Silver”.
The next conundrum I was looking at was what KIND of paint to use (I.E. Craft Paint, Model Paint, etc).
and
How to apply it without making a sloppy looking mess.
I was at the Auto Parts store this morning, and got an idea.
I’m going to use a Touchup Pen.
Easy to apply, easy to control, and very durable.
“Modern Problems call for Modern Solutions” (David Chappel)
You need to spray it to make it look nice. How to paint it. Rattle can is good.

1 -Spray the whole thing black.
2 -Spray the silver in the front and don't worry about overspray.
3- Mask the silver in the front, and re-spray the black from the rear. and the indented black area from the front.

It will come out nice.

j
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Old 11-25-2023, 02:58 AM   #9
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Re: 1970 Grille question.

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Originally Posted by Steeveedee View Post
Is the insert metal or plastic? I believe both types exist. Mine's plastic (repro) and appears to be painted argent.
The replacement grill insert that I obtained years ago and you got from me is plastic like the original is entirely argent silver. It has the raised sections which I understand newer replacements do not (correct me if wrong). I am not sure which year 69 or 70 the grill was black with the raised sections in silver. With some time and patience you could mask off the raised sections and paint the rest black if you so desire.
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Old 11-25-2023, 07:43 AM   #10
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Re: 1970 Grille question.

Sometime in the late 90's or early 00's, I obtained my 3985054 (thanks 1970cstblazer) outer grill and the replacement inner grill after some front end damage on the highway. Comprehensive coverage is a wonderful thing
The full grid section on that inner grill (3985056?) is also completely argent silver, with the surround being black.
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Old 11-25-2023, 08:11 AM   #11
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Lightbulb Re: 1970 Grille question.

Most of the replacement 3985056 inner plastic grilles are painted totally wrong from GM. They have to be either stripped, or reshot, then paint the raised bars.

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1970 K/5 Blazer CST 4WD, TOTM winner December 2024! Medium Bronze poly, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD Kelsey Hayes wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..

1970 K20, To be a clone of my Grandfather's K20, Dark Blue poly, 350, 4 speed, 16.5" X 8.25" Kelsey Hayes wheel option, tilt, tach, vacuum, AM radio. Latest project truck

1972 Cheyenne Super 20 2WD, Dark Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...

2017 Sierra 1500 SLT 4WD, Black, 46k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2...

2019 Canyon SLT 4WD, White, 67k miles, 3.6, 8L45, 3.23 LS, 18" wheels
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Old 11-25-2023, 11:32 AM   #12
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Re: 1970 Grille question.

Quote:
Originally Posted by Richard View Post
The replacement grill insert that I obtained years ago and you got from me is plastic like the original is entirely argent silver. It has the raised sections which I understand newer replacements do not (correct me if wrong). I am not sure which year 69 or 70 the grill was black with the raised sections in silver. With some time and patience you could mask off the raised sections and paint the rest black if you so desire.
Right, I see the raised sections. But taking it off, doing the paint work and putting it back on is not likely to happen in my lifetime.
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'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper

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