Quote:
Originally Posted by lippy
But I think the use of lock washers only applies to older cars. I've been looking now and I have not seen a single one on my newer Chevy truck or BMW.
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I was speaking in terms of older cars (should have said so) and I think you are right about newer cars. It seems like they are using a lot more specialized fasteners in newer cars. A lot of them have captured washers, an integral spread head under the hex/tork head bolt, etc. With aluminum components - like Pete-G said, you really need to have flat washers to spread the load. There are some guys around who have started up nice little businesses from fixing broken bolt hole ears on vintage aluminum manifolds and other parts.