Hi Tom,
I don't know about the stiffening part.
Just my opinion, but, anything injected into a closed frame member would
have to make a perfect bond/seal to keep water out. Otherwise, it would
simply trap water that did get in, next to the metal.
With no filler, the water that does get in has a chance to evaporate &
dry out between soakings. I think I would rather have the air space for
evaporation. Some folks inject an oil/wax product into closed frame
members. Not sure how well it works either.
Regards,
Dave Russell
Thomas Vargo wrote:
>I have been a long time lurker and benefited greatly from the list wisdom. I
>have a question about the use of foam injection to stiffen the chasis members
>by injecting a polyurethane foam into them. Having seen truck commercials
>touting the advantage to filling the frame with foam for sound deadening and
>stiffness, it seems an appealing idea for my Healey which could use both. I
>recently saw a reference to an after market kit for that purpose made by
>"Foamseal". Their web site referred to a June 2000 article in Sport Compact
>Car Magazine that described the application of the Foamseal kit to a Nissan
>300ZX. www.sportcompactcarweb.co/projectcars/0006scc_Project_nissan The
>article found that the chassis was stiffened and was positive about the
>results. I would appreciate your opinion on the process. The kits are
>relatively cheap and I would hope that if nothing else filling the voids in
>the frame rails and rocker panels would keep out dirt and moisture.
>
>
> Tom Vargo
>
> 1960 BT7
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