Orbital sander - what grit?

[mk1nova_rich]

As above im using an orbital sander so could anyone tell me an appropriate grade paper to use for rubbing down existing paintwork to prime and paint over?? Ie I DONT want to go down to bare metal, cheers :d

[General Baxter]

2400 wet and dry by hand

[mk1nova_rich]

really? no grades i can use on a sander as im doing the whole car lol

[Maxfield]

I'd use 120 grit and the 600 grit. Use good pads as it helps.

[16v Nova Kev]

500 on the D.A but watch on edges not to go through. and remember you only need to prime filler or bare metal not good rubbed down paint.

[16v Nova Kev]

I'd use 120 grit and the 600 grit. Use good pads as it helps.

what on filler? sounds like a flat and a hit not a mountin of filler.:wtf:

[mk1nova_rich]

Matt 100 will go to bare metal very quickly

Cheers Kev, most of it just needs painting but there are a few areas that need filling

[16v Nova Kev]

any pics.

[mk1nova_rich]

nope sorry, just whole car is badly faded so want to bring it back to life with some fresh paint

[General Baxter]

auto smart R3 polish then :)

[mk1nova_rich]

well past a polish Baxter, plus a few dents and rust spots need sorting so would rather paint it all

[16v Nova Kev]

ok. if your leaving the front windscreen in. tuck wire in under the rubber then mask it up then you wont have a crap paint line.

[mk1nova_rich]

windscreen is coming out as its peppered from grinding. Heated one going in instead

[r5ryan]

use 500 grit discs on the DA , if you reach bare metal it doesnt matter just use aerosol etch primer on the bare metal and where you have ground out the rust and over filler before priming the full panels ( high build ), then give the panels a very light coat of aerosol black and wet flat the primer with 800 and a block , the dust coat of black will esure you get all the low spots and pin holes , hope this helps