Originally Posted by DoubleVision
My instructor at tech college always used to say "if you ever find a mechanic in a can, you better let him out"
That's a good one....... there IS a lot of snake oil out there but some of it does what it claims to do. If the claims are too spectacular to believe then don't but chemically swelling rubber and neoprene seals isn't rocket science or even "mechanics". Ever used a cap full of brake fluid in an old automatic that has been sitting for a long time and is leaking past the internal seals? Just a cap full is enough to soften and expand them and squeeze a little more life out of one. A transmission shop told me that little trick, it works. I did it in my '76 Monte, the car had sat in storage for a long time before I got it and the tranny was acting weird. I wanted them to check it out, rather than take my money they told me to try that first. I did it 4 months ago and after a couple days it straightened right out and has worked fine ever since. It should hold me long enough to get a 200-4R built and swapped in before next summer. So I guess you could say I let that "mechanic" out of the can.