2007CalSpec

My weekend project is painting & installing my 1/4 louvers. I bought a can of Dupli-Color adhesion promoter and it says that it's a clear primer. Can someone tell me if this is all I need for a primer or would I need to get an actual primer like gray sandable primer? Thanks!

300GT

everything I've ever painted for my car (mainly engine bay stuff) I've used adhesion promoter, then flexible surface primer (different than regular primer in that it is designed for stuff that flexes - like your louvers), then basecoat, then clearcoat. Have always got my stuff from paintscratch.com. Not sure about the Duplicolor stuff - maybe it acts as both adhesion promoter and flexible surface primer. However you end up painting the louvers, I wouldn't put them on until they've cured for at least a month and you've had a chance to properly compound/polish them to get the clearcoat to shine properly. Easier to do that before you mount them.
Just my $.02.

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