Date: Fri, 17 Dec 2004 20:24:39 GMT
From: Dexter J <>
Subject: Re: irreproducible bucking

Salutations: On Fri, 17 Dec 2004 08:57:09 -0500, Fred W <> wrote: > >> Interesting issue regarding rust-proofing application was discovered >> along the way. There is a very tight space between the front plastic >> wheel well liner and the steel inner wheel well/strut/spring support >> proper that remained untreated. I looked at it closely with the plastic >> liners out and realized that unless a wand is specifically pulled >> between the liner and the well - there is no way to rust-proofing >> material to weep in. >> >> I will run it over to Krown on Robie to take a look, I don't see it as >> a deliberate miss on their part - it's just a spot where gravity works >> against the weeping action and coats the plastic rather than the metal. >> > > Dex, > > I have only heard bad things about sprayed on (aftermarket) rustproofing > material. I know that it was the cat's meow around here (New England) > back in the 1960's and 70's, but has since fallen out of favor amongst > even the shysters at the dealerships. Some accounts hold that the stuff > was merely a ploy for additional profit margin for said dealerships > (similar to the magic "poly-gly-cote" no more waxing scams) and others > have found that in some cases the "rust=proofing" actually exacerbates > the rusting of the subject vehicle by trapping moisture between itself > and the sheet metal, and by restricting the drainage holes if appplied > improperly. > > WRT the untreated spot that you found in the wheel well (behind the > plastic liner). Did it look any more corroded than any of the treated > area? > > of course, YR(ustpoofing)MV > -Fred W Merry Christmas brother Fred. Actually, the Krown coating is a sort of weeping oil treatment that I have used for many years to greater or lesser success depending on how badly rusted the vehicle is in the first place. I say this with some measure of confidence given that they pretty much re-pave all the roads in Nova Scotia with anywhere from a sprinkle to a solid couple of inches of rock salt come December, then reapply as needed to maintain depth into April. You sort of know you are in an black ice zone around here when it suddenly sounds like you are running a freshly graveled secondary.. :/ .. Anyway, the Krown goop does a pretty good job at coating everything including the harness and has stopped a lot of surface corrosion on most of the metal in my cars. It will blacken and seal surface rust when it finds it and keeps it sealed up over any given year until I have it re-applied. It tends to make marginal hoses slip a bit and you have to be careful to check around for a month or after application to make sure nothing is moving off a nipple or is changing shape radically. It does tend to spot up the windows when applied, but a little elbow grease gets them cleaned up. Drips all over the under the car - so park it on the street or on some grass for a while after coating. Hasn't killed any lawn I've left it on yet. I gather, however, that not all independent or chain rust proofing is the same. The good folks at Wally-Mart seem to have a very corrosive material that will most definately seal any open rust solid - but is reputed to eat the plastic off harnesses and the felts off of windows. One local wag has it that they bought up all the surplus Korean war Naval Jelly they could find and thin it with the waste oil they collect as they go along. Not that he knows one way or the other. I don't know about the dealer treatments as I have only ever used the Krown system (they actually have an old series 9000 showing the coverage points in the flyer and literature locally). The material itself seems like a some sort of thin wax/oil mix and, on the understanding that it works best if applied annually, I have come to trust it given that any SAAB I have applied it to has remained pretty solid in rough local conditions. I doesn't repair holed panels and does wash out over time if there is a steady flow of water (say through a hole in the top of a wheel arch) - but - I've seen some pretty rust prone cars that have been annually treated since new that look pretty much like they did when they left the showroom floor. My 2.cents - all the usual disclaimers and limitations. -- Radio Free Dexterdyne Top Tune o'be-do-da-day Xmas - Rick Oronzco - When its Christmas Time in Texas all tunes - no cookies no subscription no weather no ads no news no phone in - RealAudio 8+ Required - all the Time

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