Lacquer primer and Base Coat/Clear Coat paint.

Do you need to use a sealer, or just spray over it. I painted a fender last month on my kids '01 Malibu, used Lacquer primer w/o sealer and it turned out really nice. Can't even tell I painted it. Yesterday, someone told me that it will fade after a couple of years and that you need to use Urethane primer. Just wondering before I paint my car. Thanks.

if you use lacquer primer with or without sealer it will soak down shrink crack and have trouble holding a gloss it will also chip much easier. if you plan on using a catalyzed paint use a catalysed primers. the job will hold a gloss longer and be much more durable so it will look better longer.

just my

Been using catalyzed primers for years (also referred to as 2K) - better bite, better build, and doesn't attract moisture as much as lacquer primer. We use the Standox line, and they have some great products, including a primer called NonStop that works great when you have to lock in an unknown sub-surface (for example, painting over lacquer). Lacquer primer also tends to "shrink", meaning that over time it soaks into the sanding scratches & whatever, making them visible through your finish coat.

Hmmm... Can you spray a 2K primer over lacquer primer that is already on the car? Also, how much will I need to prime the outside of my Satellite 'vert?

What are you painting over the lacquer primer? I would rather use some cheap epoxy primer than lacquer primer.

you should remove ALL of the lacquer products before top coating with 2K products for maximum durability.
as how much you will need. it depends how thick you spray primer and what you are priming over.

What type of top coat did you use on your son's car?
Laquer? Enamel? base / clear urethane..?

On your satellite if it is going to be garaged most of the time you can simply seal the primer and top coat it with your choice of paint..
If it is going to be a daily driver parked outside, you should strip off the laquer primer and start over..
A rag with thinner will remove the laquer primer pretty quickly...
Here is a recent pic of my 68 Charger painted with laquer primer,sealed and laquer top coat with laquer clear... I painted in 1992 at home..
it stays in the garage covered most of the time..

think of lacquer like a spundg , once you wet it and it cant breath it will suck in untill it drys , so i would strip off all the way and reprime with epoxy

I agree with Mr. T2U, if the laquer primer is fresh, you will, unfortunately, have to take it off first. You can paint over it, sure, but it will come back to haunt you. Seen it a hundred times.

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What type of top coat did you use on your son's car?
Laquer? Enamel? base / clear urethane..?

On your satellite if it is going to be garaged most of the time you can simply seal the primer and top coat it with your choice of paint..
If it is going to be a daily driver parked outside, you should strip off the laquer primer and start over..
A rag with thinner will remove the laquer primer pretty quickly...
Here is a recent pic of my 68 Charger painted with laquer primer,sealed and laquer top coat with laquer clear... I painted in 1992 at home..
it stays in the garage covered most of the time..

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I used Dupont Chromabase and Chromaclear on the car. I thought that it turned out pretty good. Not overly concerened about the Malibu, just don't want to have problems with the Satellite. Here's the Malibu fender painted and installed. I still have to replace the bumper.