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To rustproof/underseal in winter or not ?

To: "'mgs@autox.team.net'" <mgs@autox.team.net>
Subject: To rustproof/underseal in winter or not ?
From: "Louis Mehr (EML)" <Louis.Mehr@eml.ericsson.se>
Date: Thu, 20 Jan 2000 09:36:45 +0100
> Hello MG World,
> 
> Last night I finally managed to check the  complete underside of my car.
> 
        It turns out that the underside is in   reasonable condition with no 
major rot.

        The condition varied and mainly fell into one of the following 
categories
        - underseal  flaking off (black soft bitumen type) 
        - underseal  hard and firmly stuck on (yellow/brown plastic type).
        - exposed paint with odd brown rust patches
        - paint/underseal damaged by brake fluid

        I am not out to make lots of work for myself but I would like to 
protect the underside and now would be a good time for me to do something with 
this but it is rather cold and a little damp.

        I have no intention of removing the engine yet - I want to run the car 
for a while first - but the engine bay is quite messy, probably due to brake 
fluid spillage.

        I intend to inject the box sections with waxoyl in the summer.

        My questions are:

        1/ Is it really a problem to apply rustproofing in the winter ?  Is 
there really much to be gained by waiting for the summer ?
        2/ What would be the best/easiest way to approach at this ? (e.g. just 
tackle the flaking underseal now, then paint the whole lot with oil, revisit it 
in 18 months ?)
        3/ I'm not too keen on thick bitumen underseal as in the future  I 
would like to be able to see clearly where rust is developing.  Is regular 
waxoyl/oil a better bet ?  Stonechips should not be a big problem as I do not 
intend to clock up much mileage in the car.
        4/ What is best for sections which are barely accessible e.g. areas 
around the engine where I can just see that the paint is a mess but cannot 
reach ?  (Given that the engine is not going to be removed)

        Thanks


> Louis Mehr
> Manchester
> England
> UK
> 
> 1971 B US LHD
> 
> 


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