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Paint or primer by dad1966
Started on: 01-08-2019 09:38 PM
Replies: 7 (249 views)
Last post by: 2.5 on 01-16-2019 01:37 PM
dad1966
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Report this Post01-08-2019 09:38 PM Click Here to See the Profile for dad1966Click Here to Email dad1966Send a Private Message to dad1966Edit/Delete MessageReply w/QuoteDirect Link to This Post

Hello, just wondering if i am painting my car almost same color, orange now, to burnt orange, do i need to use primer after i sand it, or get away without.

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Gall757
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Report this Post01-08-2019 09:49 PM Click Here to See the Profile for Gall757Send a Private Message to Gall757Edit/Delete MessageReply w/QuoteDirect Link to This Post

How good a job do you want? How good are your eyes? It's nearly impossible to find defects in the surface without primer.

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carguy8t8
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Report this Post01-09-2019 09:33 AM Click Here to See the Profile for carguy8t8Click Here to Email carguy8t8Send a Private Message to carguy8t8Edit/Delete MessageReply w/QuoteDirect Link to This Post

If you already have a smooth surface and don't have any body work to hide then just spray some sealer/adhesion promoter before the base coat.

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Bubblhd90
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Report this Post01-11-2019 11:09 PM Click Here to See the Profile for Bubblhd90Click Here to Email Bubblhd90Send a Private Message to Bubblhd90Edit/Delete MessageReply w/QuoteDirect Link to This Post

Your finish coat of paint is only as good as your preparation. The fiero's flexible body can leave you with spider cracks which must be taken out. You said you were sanding and if you simply sand then use 220, but, you can spray a primer filler and block sand that very smooth, then get a tinted (Red) sealer and seal it for the finish coat. Depending on your skill level, a single stage paint is the easiest, but of course two stage basecoat, clear coat will give you the shine and depth and you can cut the finish with 1200 grit and 1500 grit wet, machine polish it and the look will be killer. Patients, preparation and good equipment go a long way. Good luck.

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Tha Driver
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Report this Post01-13-2019 05:30 PM Click Here to See the Profile for Tha DriverClick Here to visit Tha Driver's HomePageSend a Private Message to Tha DriverEdit/Delete MessageReply w/QuoteDirect Link to This Post

Factory paint? Sand smooth with 180 dry (with a DA & by hand), for the best adhesion prime with PPG DP epoxy primer. If the surface is smooth before priming, you don't have to sand the epoxy - just start shooting the paint after a 30 minute wait for the primer to tack. If it's not perfect (or if you want a really smooth surface), you can sand the epoxy with 400 wet before painting, but you have to let it dry a day or two before sanding 'cause it's very sticky.
Any repairs may need a hi-build 2K type primer over the epoxy in order to block them out, them prime those spots with epoxy again.
"Adhesion promoters" are crap.
If it's been painted before, you should strip off all the non-factory paint, either by sanding or stripper.
http://gafieroclub.org/bbs/index.php?topic=469.0
http://gafieroclub.org/strip_fiero.shtml
HTH,
~ Paul
aka "Tha Driver"

Custom Fiberglass Parts

[This message has been edited by Tha Driver (edited 01-13-2019).]

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2.5
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Report this Post01-15-2019 11:41 AM Click Here to See the Profile for 2.5Send a Private Message to 2.5Edit/Delete MessageReply w/QuoteDirect Link to This Post

 
quote
Originally posted by Tha Driver:


If it's been painted before, you should strip off all the non-factory paint, either by sanding or stripper.




Is this because of the quality of the factory paint, the type of factory paint, or simply that you don't have to remove factory paint because you risk ruffing up the plastic?

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Tha Driver
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Report this Post01-15-2019 12:31 PM Click Here to See the Profile for Tha DriverClick Here to visit Tha Driver's HomePageSend a Private Message to Tha DriverEdit/Delete MessageReply w/QuoteDirect Link to This Post

 
quote
Originally posted by 2.5:


Is this because of the quality of the factory paint, the type of factory paint, or simply that you don't have to remove factory paint because you risk ruffing up the plastic?


It's because you never know how well it was prepped for the previous paintjob (& it's a good bet they didn't use epoxy primer for the best adhesion), & because you don't want to build the paint up any thicker than necessary. The factory paint is adhered well so you don't have to take it all off down to bare plastic/SMC, just get it smooth (feather any peeling clear, etc.).
~ Paul
aka "Tha Driver"

Custom Fiberglass Parts

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2.5
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Report this Post01-16-2019 01:37 PM Click Here to See the Profile for 2.5Send a Private Message to 2.5Edit/Delete MessageReply w/QuoteDirect Link to This Post

 
quote
Originally posted by Tha Driver:


It's because you never know how well it was prepped for the previous paintjob (& it's a good bet they didn't use epoxy primer for the best adhesion), & because you don't want to build the paint up any thicker than necessary. The factory paint is adhered well so you don't have to take it all off down to bare plastic/SMC, just get it smooth (feather any peeling clear, etc.).
~ Paul
aka "Tha Driver"

Custom Fiberglass Parts


Thanks

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