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Old 11-21-2023, 10:18 AM   #1
HalfBrit
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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   #2
LNP
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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   #3
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   #4
custom10nut
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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   #5
jeffahart
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Re: 1970 Grille question.

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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 11-22-2023, 11:32 AM   #6
1970cstblazer
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Wink Re: 1970 Grille question.

There are a few ways to skin a rodent. I'm going to try the chrome paint pen method and report back in a few months when I'm at that point. I've used them to restore interior trim parts, and build model vehicles with excellent results.
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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 03-11-2024, 09:03 AM   #7
70STOVEBOLT
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Re: 1970 Grille question.

Quote:
Originally Posted by 1970cstblazer View Post
There are a few ways to skin a rodent. I'm going to try the chrome paint pen method and report back in a few months when I'm at that point. I've used them to restore interior trim parts, and build model vehicles with excellent results.
Subscribing to see how this turns out. I sprayed mine black but have not painted the silver yet. If this works, I will do the same.
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Old 11-25-2023, 09:23 PM   #8
custom10nut
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Re: 1970 Grille question.

Quote:
Originally Posted by jeffahart View Post
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
That’s a GREAT idea, and so simple to accomplish
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Old 11-26-2023, 03:17 PM   #9
70c10-08
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Cool Re: 1970 Grille question.

I've had this problem for quite a while and was wondering how to do it right. A buddy of mine once suggested that I gently strip the entire grille and mask it. Then using an airbrush to spray the areas that are supposed to be silver to make it close to factory as possible.
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Old 03-10-2024, 01:58 PM   #10
dlyons321
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Re: 1970 Grille question.

Im the oddball here. Are there any reproduction options that are just black? Im not a fan of the silver inner of the grille.
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