Back when they were still in production and common, I started working on them - Corvairs, that is. Of the many things I found out about them... Oil leaks were common. The reason for this is that GM was too CHEAP to use the correct material for the pushrod tube seals. In this engine design, the pushrods for the overhead valves ran inside metal tubes that were sealed at the block and cylinder head with O-rings. GM used the cheap neoprene O-rings. Parker seals of Rochester, NY made up a set of O-rings from Viton. That ended the oil leaks for many years to come. What was stated about tire pressures was correct. They had an unusual weight distribution that made the front of the car very light. As such, standard tire pressures had to be adjusted to accommodate this. Too many service folks seem to think that the pressure on the tire is the "recommended" or proper pressure while it is actually the MAXIMUM pressure recommended. If the tire pressures recommended by the owners manual were followed, the cars handled extremely well.
Just a point of information about Nader..... GM had planned for Corvair production to end with the 1966 model. The reason was high production costs. GM decided that the cost of making them was too high, and that not enough parts could be shared throughout the other GM cars of the day. The 1967 to 1969 models were produced in open defiance of Nader. Also note that Nader's REAL target was the VW bug. He just didn't have the nerve to go up against such a popular car. His strategy was to attack a similarly constructed car with less popularity, and then moving on to the VW by pointing out similarities in construction.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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