[DeTomaso] Protecting the inside of frame rails and area behind doors, and material for firewall

[MikeLDrew at aol.com]

In a message dated 2/7/14 7 33 12, steve at snclocks.com writes:


> 
> I know all these topics have been brought up before, so perhaps it will be 
> easy to tell a newbie like me the best products for several areas.
>  
>  What should I use to protect the inside of the frame rails and how is it 
> applied?
>  
>  I note there is a lovely little cavity/trough between /behind the sheet 
> metal that holds the door striker and the outer fender. A classic place to 
> accumulate dirt and rust. I figure it should be filled so dirt and water 
> can’t accumulate.
> 
>>>You're about 40 years too late for that. :<(

> > My assumption is I should build up a good layer of plastic 
> undercoating to eliminate a catchment basin. Or, use hard foam to build a sloped 
> cover and then coat with undercoating?
>  
> >>>If you are talking about spraying foam or something like that inside 
> the cavities, I have heard that this is not a good idea.   It suffers from 
> condensation and traps moisture and defeats what you are trying to do.   What 
> you can do is drill holes and spray some various types of preservatives in 
> there.   Several people here have purchased kits with long wands etc. to 
> get into the far reaches.
>  
>  >And, lastly, what is best to replace the sound proving on the 
> engine-side of the firewall?
> 
>>>If it ain't broke, I wouldn't fix it.   If the engine is out, there is 
something to be gained by installing a second firewall; the vendors sell 
various stainless steel ones that add a lot of bling, but also have the nice 
effect of increasing both sound and heat insulation.
>  
>  >OK, one more. I noted on disassembly that the removable panels in front 
> of the rear tires did not extend all the way to the inner fenders  
> leaving a gap as wide as 〓 of an inch between the rubber and the fender. Is this 
> common? 
> 
>>>That's normal.   They weren't always made as well as you would like.

> >I figure to make an extension out of sheet metal that will allow the 
> rubber seal to seat against the inner fender.
> 
> >>>That's a great idea!
>  
> > As always, I really appreciate all you guy’s and gal’s comments.
>  
>  >>>You always ask good and interesting questions!
> 
Mike
> 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://server.detomasolist.com/pipermail/detomaso/attachments/20140207/d3ab4adc/attachment.html>