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Thread: prepping and spraying wheels by hand

  1. #1
    Regular Member justin32's Avatar
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    Vehicle : Vectra c SRI Facelift

    Trim : SRI

    Engine : 1.9 CDTI 150

    Year : 2006

    Default prepping and spraying wheels by hand

    My SRI wheels are in a very sorry state,they were hand sprayed by the prevous owner and although it looked nice for a while it hasnt been done properly.Theres no primer or lacquer so its just flaking off with the slightest of touches.Also i think the car was driven when the paint was still wet as on 1 of the wheels the paint has started to slide

    My plan is to give them a revamp with a new colour and do a decent job this time but ive got a couple of questions before i start planning my attack:

    1)Do i need to take off all the current paint before laying down the primer?

    2)Do i need a specific type of primer?

    3)What colour primer for black wheels and how many coats

    4)can somebody suggest a good lacquer and how many coats so it tough and will last

    Thanks

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    Full Member Leemarksmith's Avatar
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    Vehicle : Vectra

    Trim : SRi (VXR Styling)

    Engine : Z19DTH (Re-mapped)

    Year : 04

    Mileage : 140k

    Default

    As you didn't prime you need to take it back enough so your primer has alloy to stick to, grey is best for black,... Once you have a few layers of primer use some 180 grit just to flat the primer (for best results) then add a few coats of colour, don't rush and add it slowly, first pass and it should look like artic camo with grey patches, not fully covered in one pass, once all the grey is covered use lacquer, a few decent coats again, don't go too thick as it'll run in the corners or where it collects... Lastly, lacquers lacquer so any will do when its rattle cans... Good luck

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    Full Member bobssignum's Avatar
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    Another thing to do when applying paint and lacquer is to use a heat gun or a good hair dryer this aids the adhesion and helps you achieve that gloss coat at the end
    Driving vauxhall,s for 30 + years
    and still loving it

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    Regular Member justin32's Avatar
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    Vehicle : Vectra c SRI Facelift

    Trim : SRI

    Engine : 1.9 CDTI 150

    Year : 2006

    Default

    thanks for your reply mate

    is there a special alloy primer i would need?

    Its weird coz on the wheels some of the paint is very thin and some is thick so its gonna take alot of sanding i think.What grade paper is best?

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    Leemarksmith might have made a typo, use 800 grit wet and dry not 180 or you will have scratches everywhere, use 400 grit wet and dry to rub the wheels down initially aswell prior to priming. You never said if you were removing the tyres but as a minimum remove the wheels from the car and if possible get the beads broken so you have less chance of getting paint on the tyres, paint them flat and have a hairdryer handy just in case you go a bit heavy with the paint.

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    normal primer will be fine unless your going to strip them back completely to bare alloy, just wet sand them with 400 back to the original paint, you'll know when you get to it as you will see the different colours of paint while sanding, it wont take too long with 400.
    Quote Originally Posted by justin32 View Post
    thanks for your reply mate

    is there a special alloy primer i would need?

    Its weird coz on the wheels some of the paint is very thin and some is thick so its gonna take alot of sanding i think.What grade paper is best?

  7. #7
    Full Member Leemarksmith's Avatar
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    Vehicle : Vectra

    Trim : SRi (VXR Styling)

    Engine : Z19DTH (Re-mapped)

    Year : 04

    Mileage : 140k

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    Sorry yeah, I should have added 500 to flat the primer, I use 180 between prepping/filling/priming...

  8. #8
    Regular Member justin32's Avatar
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    Vehicle : Vectra c SRI Facelift

    Trim : SRI

    Engine : 1.9 CDTI 150

    Year : 2006

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    The wheels will be taken off the car but the tyre is staying on.

    Oh i forgot to mention that 1 of the wheels has got a bit of curbing which is about 2mm deep,can this just be sanded down?

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    you can sand it to a certain extent, it may not be as deep as you think, make sure you use a rubber bloack to sand it, that way you will sand the area flat as opposed to sanding a groove into the area where the scratch is, if it is deep in the past I have used either chemical metal, 2 pack stopper or body filler, I found chemical metal to be the best on alloys.

  10. #10
    Regular Member justin32's Avatar
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    Vehicle : Vectra c SRI Facelift

    Trim : SRI

    Engine : 1.9 CDTI 150

    Year : 2006

    Default

    I think just a sand will do as the kurbing is not that deep,its mainly cosmetic as the original silver is showing through

    Ill have to get some pics taken 2mor and show you that damage

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