mplavery Posted April 29, 2012 Share Posted April 29, 2012 My girlfriend has bought a Circuit Sport engine brace for her 350z and she would like the orange parts painted purple to go with her engine bay My question is can I spray paint over it straight away or will I have to rub it down ( give it a key) ? It does look like it has a clear lacquer coat on.. I know it would be better getting it powder coated but were trying to keep costs down Im using primer, paint then clear lacquer and hopefully that will do the trick Cheers Quote Link to comment Share on other sites More sharing options...
themodifiedkid Posted April 29, 2012 Share Posted April 29, 2012 Depending on what primer you are using. If you are using 2k primer its usually high build so you would key the surface with say a 150 grit paper then 2-3 coats of primer. If rattle can primer you would prob get away with say 220g paper, 3 coats of primer allowing each coat to flash of. Once dry, use wet and dry paper of 400g - 600g until smooth/flat making sure not to sand thru the primer. Then you normal 2 coats of you base then 2-3 coats of clear allow appropriate flash of times between coats. But make sure before you start any painting it is critical that the thing you are painting are thoroughly degreased with a panel wipe (solvent degreasing agent). Most painters are different and do things differently but this is how I would approach doing it Quote Link to comment Share on other sites More sharing options...
mplavery Posted April 29, 2012 Author Share Posted April 29, 2012 Oh great, I was hoping not to rubin down lol Great stuff, thank you mate Quote Link to comment Share on other sites More sharing options...
Colin-mkiv Posted April 29, 2012 Share Posted April 29, 2012 I use red Scotchbrite to key surfaces before painting. Simply removes the shine and doesn't bite too hard into paintwork. Then you'll need to panel wipe it to remove any silicone based contaminants, this prevents 'fisheyes' and then primer and paint etc....use a hairdrier to keep the job warm, it will aid paint drying and promote a deeper shine. Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted April 29, 2012 Share Posted April 29, 2012 Presumably you only want to spray the orange bits? if so and you're using 2K, just scotchbrite to get a key, and you should be able to just spray a base coat straight over it, as if its a dark purple? two or three coats should prevent any impact from the colour underneath, then just a couple of coats of lacquer over the top, However if your using a different type of paint, i would either use isolator and or primer first. Quote Link to comment Share on other sites More sharing options...
mplavery Posted April 29, 2012 Author Share Posted April 29, 2012 Great stuff guys Yes it's just the orange parts, she wants them purple to go with her Samco hoses Quote Link to comment Share on other sites More sharing options...
RCK10 Posted April 30, 2012 Share Posted April 30, 2012 What paint and primer are you using? Is it just a spray can job? Quote Link to comment Share on other sites More sharing options...
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