I've driven mine at times throughout the winter in Western Albany county and even ran up into VT a few times, so shot right through Troy, even stopped at the Ruck. I loaded the bottom down with fluid film and I didn't drive it too much. It's the first season using Fluid Film, but I've heard great things about it, so hope I protected it.
After having used Fluid film for the past 2 winters in a very salty Omaha on the wifes DD 4RNR and my winter DD Chevy, and one Cleveland winter with my K5 (all 100% rust free Oregon vehicles prior to this) I have the following observations:
-I have sprayed them in the fall while it's still warm and have not touched up during the winter. I got the spray kit from Kellsport with the long flexible nozzles and 360 degree tips. You must go this route. Spray cans don't cut it for getting up in the frame.
- On my '05 Chevy the fluid film really effects the adhesion of the factory frame paint, which is crap to begin with. When the fluid film is freshly applied, it seems you can scrape away the factory paint with a fingernail.. It has done a great job on the Chevy, except on the forward body mounts for the cab right behind the front wheels which are always blasted with gravel and dirt. I had some surface rust on those this spring, but otherwise nothing.. I did however spend some time on some pretty muddy/sloppy dirt roads in Missouri over the winter, which will take the fluid film off.
- On the '96 4runner (with far superior factory frame paint and factory undercoating) the only corrosion I have found has been a couple of very small areas around the rear suspension link mounting points which I must have not covered well enough. I am going to touch them up this week and recoat. The 4runner has good mudguards and the tires don't "spray" dirt and rocks right onto the steel, which is what will eat the fluid film off in a hurry.
- Up above the spare tire and behind the wheel arch molding of the 4runner, it's still there after 2 years. I took the tire down and took all the trim off to spray the first time, and have only needed to spray the visible areas the second year.
- I think it's great stuff for areas not subjected to tire kickup and road spray.
-I will be mixing up a batch of waxoyl type stuff for use this winter for fenderwells and areas susceptible to tire spray
Looks like I will be relocating to the Newburgh, NY area shortly... so I will have to keep up (probably step up) on the rust prevention.
Johnny - Feel free to respond here or in IM if you have any comments/suggestions concerning that area in general..