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Search took 0.00 seconds. Search: Posts Made By: 1930-Pickup
Forum: Model A (1928-31) 02-12-2018, 04:32 PM
Replies: 33
Views: 5,804
Posted By 1930-Pickup
Re: Why no lock-washers?

Boy, I sure know what you mean!

I have found that the harder the split lock washer (Grade 8 for example), the faster it looses its spring and easier it is to break.
Forum: Model A (1928-31) 02-12-2018, 04:29 PM
Replies: 33
Views: 5,804
Posted By 1930-Pickup
Re: Why no lock-washers?

That's true... split lock washers tend to break, then fall off, especially on reciprocating or vibrating parts.
Forum: Model A (1928-31) 02-12-2018, 01:29 PM
Replies: 33
Views: 5,804
Posted By 1930-Pickup
Re: Why no lock-washers?

If you need a solution to exhaust manifold nuts backing off, you could use interference-fit brass nuts. This was a fairly common item and solution in years gone by. They would have cost a few cents...
Forum: Model A (1928-31) 02-12-2018, 12:56 PM
Replies: 33
Views: 5,804
Posted By 1930-Pickup
Re: Why no lock-washers?

Heat cycling along with vibration will harden the lock washers, then they will become brittle, and then break.
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