What can u treat the underneath of your car to prevent rust ?
This is a discussion on What can u treat the underneath of your car to prevent rust ? within the General Help forums, part of the LSx Technical Help Section category; My car has no rust all looks good but is there something I could use to prevent rust ?...
11-05-2007, 02:34 PM #1
What can u treat the underneath of your car with to prevent rust ?
My car has no rust all looks good but is there something I could use to prevent rust ?
Last edited by Speedy_Gonzales; 11-05-2007 at 05:06 PM.
11-05-2007, 03:46 PM #2
autozone has a rubberized undercoating that you can spray on. works just like spray paint and costs about 4 bucks a can
11-05-2007, 04:21 PM #3
- Join Date
- Apr 2007
- Watertown, New York
Navy Blue Metallic
- 2002 Z28
Im living up here in Northern New York, where 2 year old cars have rust holes....
The snow plow guy I know sprays everything he owns with transmission fluid out of a cheap paint gun bought at harbor freight. seriously this works wonders....his plow truck is a '99 chevy and the factory black paint is still there instead of rust.
Its not everyones favorite thing to spray tranny fluid under their car, but it definatly works
11-05-2007, 04:26 PM #4
11-05-2007, 04:46 PM #5
por15..expensive but nothing on the market will beat it.
11-05-2007, 05:00 PM #6
11-05-2007, 05:11 PM #7
11-05-2007, 05:26 PM #8
11-05-2007, 05:38 PM #9
do u have to do the 3 step system if u have no rust ?
11-05-2007, 06:39 PM #10
11-06-2007, 01:22 PM #11
11-06-2007, 02:10 PM #12
as stated there is ruber coating, like what comes in some parts stockM6, Lid, Ported and Polished Throttle Body (By Me!), LT, Custom Catted Y, Electric Cutout, PHB, LCA13.21@108 with a 2.3 60'
11-06-2007, 02:58 PM #13
11-06-2007, 03:13 PM #14
I used the rubberized stuff on a lot of my cars. It works great. However, you can't use the stuff over rust. You can get rust converter in a spray can for the rust. Much like Pors-15 but, at a fraction of the cost and just about as good expecially if you are going to undercoat it afterwards. Then you are sure you have treated the rust and have awaited 24hrs. you can spray the rubberized undercoating on that for a solid bond. If you don't clean and or use rust converter on any rust you see the rubberized undercoating stuff will just peal off. No big deal you just respray it if that happens.
The plus with rubberized undercoating is it quiets down the vehicle noise and if used in well wheels the rocks and snow kicked up will not be as noisy. I used this stuff on my 350Z just to quiet down the pebble noise as the Japanese companies have great rust through protection but, do not undercoat with a material the will absorb the knocks of rocks and pebbles going down the road.
I have also used the rubberized undercoating after clearancing my rear wheel wells on the Bird for larger tires. I love the stuff and it's cheap protection !!!
Then there is another option..... After you treat the rust take it to a body shop. They will undercoat the whole underneath with a mastic(tar) type of product for $150-200. That stuff is thick and has been around for years. However, it's kind of a bitch if they get it on your exhausts. Have them watch out that they don't coat those.
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