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i need a simple easy long lasting rust hole fix for the boot sump just behind the rear LH wheel... i was thinkin of stuffing with chicken mesh and using some sort of bog or compositte but need it to be 'pit worthy' so thoight id grab some advice...

Only way to truly fix rust is cut it out and weld in new metal.
Not simple but long lasting..

if your doing a roughy get some fibreglass reinforced filler or gorrilla hair as some people call it, it will fill a decent sized hole but its nasty to sand down so dont overfill it much or youll be sanding for days.that said if you want it to last you need to plate it. but that stuff will get you out off trouble

OK, now you know how to do it properly, and not so well, - here's the easy way.
Clean the outside and inside surfaces, then gently knock the edges of the hole in - just a little bit. Get some packing tape and stick it on the inside surface - covering the hole. Bog up the outside. When its dry sand it back and take the tape off the inside. Paint the visible bog on the inside the same colour as the paint around it. Prime and paint the outside. Just to be sure, put a tool wrap in there to cover the inside surface when you go to the rego place. I'm told this works
T.

haha alrite guys thanks alot, i think i might do the fibreglass on the inside reinforced with chicken wire, and then plastic builders bog the outside and sand that down. coz bog will be easier to sand and fibreglass will be strong azzz bruuuu.
if i just primed it would i get thru rego? or would i have to hide it?
what im gettin at is bog legal or is only way to truly get thru pits is weld it up?

brendon wrote:Only way to truly fix rust is cut it out and weld in new metal.
Not simple but long lasting..

+1

Anything else is just dodgy.

yeh just coz i wana do it myself and i dont hav a welder or any tools.
when i get money id redo it i just wana get over pits...

Yep, Ive heard of folk who do a dodgy job, get past rego and then drive to somewhere to get the job done properly - saves the cost of a tow . Youll have task around where you are about what sorts of things that will pass rego. In NSW rust holes=FAIL. Rust in structural members too (If you have this weld it!). There are plenty of cars getting around with grey primer on them, but for the price of a can of aerosol colour matched paint, I reckon why attract attention to the job? Ive heard that some rego places are easier to get through than others and it may be the same where you are. If youre meeting them for the first time you might consider having something obvious for them to find - like one of the rear number plate lights doesnt work. Ive never had anyone go over my cars with a magnet at rego time - err, not that I need to worry
T.

yeh yeh sounds good.
i found some of that heavy duty security fly screen, the stainless stuff, just gona stick that on the inside n use builders plastic bog on it, should work a treat.
cheers guys

use that security screen that you cant break through... that would be epic i rekon lol.

yeh man thats the shit i found, but its alluminium so hell easy to mould
only problem steel + alli = electroysis badly so have to coat it and glue it, it i weld it rust will be worse than before..

Why not use the automotive filler? But yeah, fibreglass and then plastic filler on top. Treat the edges of the metal with a rust converter or etch primer. It will slow down the rust coming back. I guess if there's no metal, then there will be no rust!

i once had a mini that was SOO full of rust it could have passed as a pice of rust! LOL


WE bogged it up with chicken wire and 5 Kg of bog sanded it back
sprayed it after school ( year 10 ) and sold it for 3 G..

Man the guy who brought that thought he was getting the best deal on earther..

If it eva got sand blasted he would see the all the gutters in the roof we made from Venation Blinds found in hand garbage.


Man for the pits Bog the hell outta it!!!

When u get some cash buy a body with no rust. As my old man once said u can fix a motor real easy.. But u can't fix a body over nite!!