How bad is this rust?

How bad is this rust?

Author
Discussion

Nikolai

Original Poster:

284 posts

153 months

Monday 3rd May 2021
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Hi experts, I have my eye on a '71 Plymouth and the seller has provided some photos of the underside. The top has some bubbleng and scabs on a wheel arch and under the edges of the trim around a vinyl roof. Nothing too serious or concerning. Underneath though, I'm wondering if this is clearly beyond surface rust that a clean up, rust encapsulate and underseal will fix/slow further deterioration.

I know its hard to tell but on the face of it, does this look especially worrying or would you flood the inside of the rails with Dinitrol and use the car for a few years?





Caddyshed

6 posts

43 months

Sunday 9th May 2021
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That isn't that bad ,I had a '88 e150 econoline with similar rust and she cleaned up fine

Caddyshed

6 posts

43 months

Sunday 9th May 2021
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That isn't that bad ,I had a '88 e150 econoline with similar rust and she cleaned up fine

steveo3002

10,663 posts

181 months

Sunday 9th May 2021
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looks decent for a 70s car ...bubbles under a vinyl roof would put me off if its a keeper , see some that need a new roof once the vynil is taken off for repairs

Nikolai

Original Poster:

284 posts

153 months

Sunday 9th May 2021
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Caddyshed said:
That isn't that bad ,I had a '88 e150 econoline with similar rust and she cleaned up fine
Ok thanks, that's reassuring. It's the stuff inside the chassis rails that a little more worrying as rust prevention products will arrest it but I won't be able to clean it off.


steveo3002 said:
looks decent for a 70s car ...bubbles under a vinyl roof would put me off if its a keeper , see some that need a new roof once the vynil is taken off for repairs
Hmm interesting. At first glance I thought this is probably some scabs of rust where the chrome trim has rubbed on the paint overt time.



aka_kerrly

12,490 posts

217 months

Monday 6th September 2021
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I'd ask for some pictures of inside the boot looking upwards under the parcel shelf and interior shots of the parcel shelf area to try and establish if that rust at the rear could be the start of a rear screen out & lots of chopping/welding event.

Underside doesn't look too bad , the thin bits of underseal falling off is likely the factory stuff which can be reassuring since it means the underside hasn't been plastered with ten tonnes of underseal to cover all kinds of horrors.


steveo3002

10,663 posts

181 months

Monday 6th September 2021
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bet thats f*cked if you took the vynil off ...its terrible once rust has started as it will never dry out and just sit there and rot

roscobbc

3,624 posts

249 months

Monday 6th September 2021
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Chassis corrosion looks to be surface rust - probably looks worse than it really is - rather see this than a chassis that has been undersealed or tonsed-up - at least you can see what needs doing - ripe for a bit of a fettle and clean-up I'd say. The one thing that people DO seem to forget about is internal rust to chassis members........how easy is that to examine!