longitudinal rustoration, rust preservation in inaccessable locations Options

[cooler]

I am currently repairing rust on my longitudinal/hell hole/jack receiver. There is surface rust in many inaccessible locations, between layers of sheet metal in the longs and spot welded seams and inside surfaces of the longs. I believe this is where the deterioration of our cars starts.

What products are being used to stop and prevent rust in these inaccessible locations? Are they effective?

Your comments and advice are appreciated in advance.

Thank You

[Mblizzard]

As Dave correctly pointed out, those products can effectively deal with rust on surfaces that they can be applied to. But as we all know, in a 914 the rust you can see is just the tip of the ice berg.

The way the metal is sandwiched and layered in spots makes it almost impossible to get at all the rust that might be present. All I could think of was to use one of the products in aerosol form and really saturate the area. I also used a multi direction spray nozzle on a extension tube to treat the longs and other less accessible areas.

Not a perfect solution but it was all I could come up with.