Dinitrol or similar

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patrickr90

Member
Posts
71
Hi

I'm thinking of using Dinitrol to protect the underside of my 1986 Ninety. However, it's fitted with a galvanized chassis and I want to keep that bare as I like the look. Dinitrol seems to be mainly a spray product so, apart from doing a (possibly fiddly) masking job undereath, is there another equivalent "paint on" product that will do a good job. I've used black Wax Oil on a previous vehicle.

Thanks
 
Simple solution is to use a clear wax. Even the galvanized chassis will benefit from the protection. They do corrode but just a lot slower than painted steel and a coating of wax will help keep the look you like.
 
Last edited:
Dinitrol do a clear wax you could use.
Take the rust back on the axles as much as you can, use a rust converter then paint them. You could spray with a wax if wanted afterwards.
It all needs to be very clean before applying anything though.
Don't forget cavity wax inside box sections, also the bulkhead.
Have fun (actually you won't as it's an endless chore but atleast you are halfway there with the chassis)
 
Anaconda said:
Dinitrol do a clear wax you could use.
Take the rust back on the axles as much as you can, use a rust converter then paint them. You could spray with a wax if wanted afterwards.
It all needs to be very clean before applying anything though.
Don't forget cavity wax inside box sections, also the bulkhead.
Have fun (actually you won't as it's an endless chore but atleast you are halfway there with the chassis)
Click to expand...

😂 Thanks for this. Is there a good rust converter? Painting the axles: I thought about using Hammerite Under Body Seal which also contains Wax Oyl....
 

Hydrate-80 - Bilt Hamber

Hydrate-80 is a rust converter which provides unparalleled protection to rusted steel surfaces.
bilthamber.com bilthamber.com
I prefer these products, as slightly cheaper and seem just the same.
Axles and mechanical parts use paint, Hammerite is easily available, not sure why you would use underseal on them.
Paint them and use whatever clear wax spray you choose to use.
Then each year or so give it a good clean and do it all again.
 
Just do not use that bitumen based thick black underseal anywhere. In time it cracks and water gets in behind and there is hidden corrosion worse than a bare chassis.
When asked to inspect a vehicle with that stuff on it shiny new or other wise I will just walk away.
 
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