paint or just wax
Discussion
I did my chassis a couple of months ago. A word of caution though - it's a very messy job and in my experience takes a lot longer to do properly than anticipated. The steps I went through were:
1. Clean off the existing waxoyl and muck,
2. Wire brush (using a drill attachment is very handy) & sand,
3. Apply POR15 metal preparation,
4. Apply POR15 coating and allow to dry thoroughly,
5. Apply Hammerite and allow to dry thoroughly,
6. Apply Waxoyl
It's early days for me yet, but my initial impression is that POR15 is excellent stuff, it really bonds to the metal and is likely to last for years. The only problem is that it only comes in black & grey and I wanted to bring the chassis back to white, which is why I then applied Hammerite over it.
Having spent literally days cleaning off the waxoyl & muck on the chassis (with the benefit of hindsight I should have used a steam cleaner here), I decided not to re-apply waxoyl to all of the chassis, but only to those areas that really need it, which IMHO are the lower front wishbones as I found these collect water (I had to use a hairdryer on them before I could go on to stage 2 above), but you could also waxoyl the outriggers as these tend to suffer more than most areas.
Hope the above helps and good luck !.
1. Clean off the existing waxoyl and muck,
2. Wire brush (using a drill attachment is very handy) & sand,
3. Apply POR15 metal preparation,
4. Apply POR15 coating and allow to dry thoroughly,
5. Apply Hammerite and allow to dry thoroughly,
6. Apply Waxoyl
It's early days for me yet, but my initial impression is that POR15 is excellent stuff, it really bonds to the metal and is likely to last for years. The only problem is that it only comes in black & grey and I wanted to bring the chassis back to white, which is why I then applied Hammerite over it.
Having spent literally days cleaning off the waxoyl & muck on the chassis (with the benefit of hindsight I should have used a steam cleaner here), I decided not to re-apply waxoyl to all of the chassis, but only to those areas that really need it, which IMHO are the lower front wishbones as I found these collect water (I had to use a hairdryer on them before I could go on to stage 2 above), but you could also waxoyl the outriggers as these tend to suffer more than most areas.
Hope the above helps and good luck !.
POR 15 great stuff,tough.........BUT PLEASE DO NOT GET ON YOUR SKIN takes over a week to get off even used scourer ooooh,i found out the hard way.done my chassis over 3 evenings at work,got hot took off jumper disposable gloves kept wearing through so thought nearly there press on.......WRONG WRONG SO WRONG got that paint on arms and hands what a mistake,even after reading warning on can.oh thinners just spreads it by the way.DOH.........blinding paint though,recommended.be warned though.Waxoyl outriggers shortly to do inside as well these things rot from the inside,might go for used engine oil better creep,just messy.not decided yet.
that daddy said:
POR 15 great stuff,tough.........BUT PLEASE DO NOT GET ON YOUR SKIN takes over a week to get off even used scourer ooooh,i found out the hard way.done my chassis over 3 evenings at work,got hot took off jumper disposable gloves kept wearing through so thought nearly there press on.......WRONG WRONG SO WRONG got that paint on arms and hands what a mistake,even after reading warning on can.oh thinners just spreads it by the way.DOH.........blinding paint though,recommended.be warned though.Waxoyl outriggers shortly to do inside as well these things rot from the inside,might go for used engine oil better creep,just messy.not decided yet.
Just found out to my cost, doh.....
black POR on the arms and hands and it aint coming off! At least I know it isn't coming off the chassis either.
There's no way I could get the POR on the top of the outriggers, unfortunately my Chim is my daily driver so I can't spend days on this. Have painted as much as I can today on one side. When the POR is dry I'll coat the tops with waxoyl. At least it shouldn't come off easily if it is between the body and the chassis.
I wouldn't worry about the wishbones too much. Crappy design makes them water traps so they'll rust no matter what you do. They are only £40 a side so are almost sacrificial. Outriggers are the important bit!
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