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Well, there are three general types of oilspray that were available to us. A petroleum-based oil, parafin (wax) based, and tar. The tar is for wheelwells, underbody. The guy did not recommend this, I can imagine it would just trap whatever rust and salt that's already there permanently longside the body. On a brand new car, it might be a good idea, but now they have a spray-rubber, instead. Your saab might have it from the factory.
The petrol-based oil will be drippier, but will permeate all the little creases better/more quickly.
The parafin-based stuff (no-drip) is not supposed to drip much, the mist cakes into something like slightly thinned petroleum jelly.
They will (should) spray the underbody, inside the doors and running boards, the wheelwells on the inside and outside, and the seams in the engine bay. We opted for the shop that had the smallest ad in the yellow pages, and were the last customer of the day. Like I mentioned before, we warmed up to the guy through conversation, poked around under the car with him, and pointed out such other points like: the fuel filter bolts, fuel accumulator, trailer hitch mount, etc.
I can't say how much it weighs, but oil is lighter than water and I can imagine he sprayed ~2litres of it on, inside and out. What might weigh more is the sand and stuff that will stick. We have a NA car, so it always feels a little "weighted down" compared to a turbo.
We opted for the low-drip, parafin-based stuff. It also supposedly has an additive to neutralize road salt. Cost was $100 CAD before tax. Other stuff was $15 cheaper.
It took about one hour, including chatting, teaching him how to use the 90-deg carpet screws, and looking for the holes for the running board spraying.
BTW!! If they want to start drilling holes, have them lift the car first, the insides of the running boards can be accessed from holes underneath. We got a way with just one hole that was slightly enlarged, only to find the other ones later. This might affect crumple-patterns in the unfortunate event of a collision.
I would say that it's worth it, I could hear our car go, "Aaaaahh", as the spray was going on. Kind of like moisturizer after degreasing parts for two hours.
BTW2! You'll have to be careful for a little while as there will be some overspray on the brakes, but it should burn off in a couple of hot stops! Tires, too.
posted by 69.157.10...
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