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64.5 dash primer cracking when applying

  • Thread starter Thread starter tbr
  • Start date Start date Mar 12, 2020
T

tbr

Member
Oct 19, 2018
14
1
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CO
Mar 12, 2020
#1
  • Mar 12, 2020
  • #1
Has anyone seen primer crack on the dash like this before, if so, what causes it? See the attached pics.
I’m repainting my 64.5 metal dash. It was not the original color. Not sure if it was painted with enamel or lacquer.
I sanded it and cleaned it with denatured alcohol.
It was sanded and cleaned between each try with the different primers.
I tried Rustoleum sandable laquer primer and it cracked.
I tried ACCU MATCH self-etching laquer primer and it cracked.
I’m painting it with the medium blue ACCU MATCH when I can get the primer cracking issue resolved.
Any suggestions would be greatly appreciated. Thanks!!
 

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horse sence

15 Year Member
Nov 29, 1999
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Wile Coyote's stunt double
Mar 15, 2020
#2
  • Mar 15, 2020
  • #2
Non compatible paints .
 
Reactions: Realmongo

2Blue2

will be trying this sex one when I can find it
Mod Dude
Mar 5, 2019
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Oahu
Mar 15, 2020
#3
  • Mar 15, 2020
  • #3
horse sence said:
Non compatible paints .
Click to expand...

Yes
No lacquer over enamel
A sealer coat might be beneficial or remove the various layers and get back to metal.
 
T

tbr

Member
Oct 19, 2018
14
1
13
CO
Mar 16, 2020
#4
  • Mar 16, 2020
  • #4
Thanks. Epoxy primer, then polyester primer then lacquer topcoat? Any particular brands of paint you would recommend?
 
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