Washers, yay or nay, on stock head studs Should I use hardened washers, with the stock nuts and studs, when installing the stock iron heads on a 59 AB? Was there a reason that washers were not used originally on these engines?
In my practical mind, it seems like washers would greatly assist in maintaining the torque value, on these nuts, as the engine is run and warmed up. |
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So, there's no reason why you can't use hardened steel washers on your 59 series engine with iron heads as long as you have the studs set to the right height above the deck, and I believe you are correct on your thinking that torquing the nuts and holding that torque would be better/easier with those hardened steel washers in place under the nuts. It's your call. |
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Re: Washers, yay or nay, on stock head studs >>>Was there a reason that washers were not used>>>
A set of hardened 7/16" washers cost about $1 in 1949. A lot of money back then. 8^) |
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Unfortunately, when our dear old Henry passed away, his design and manufacturing engineers (and probably his bean counters) began to play. |
Re: Washers, yay or nay, on stock head studs [QUOTE=Jack E/NJ;2252748]>>>Was there a reason that washers were not used>>>
Because they were not necessary with iron heads. |
Re: Washers, yay or nay, on stock head studs Now you have me thinking about some of the other time tested engines out there. Does a small block ford or chev, a mopar slant six, a cummin s 6bt, a toyota 22re or a Ford 300 six use washers? Is it a cast iron/aluminum thing?
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Re: Washers, yay or nay, on stock head studs [QUOTE=Kube;2252798]
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Thanks |
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The main purpose is to prevent the bolt or nut from digging into the soft aluminum surface. Cast iron is generally hard enough that it isn't a problem, especially on fasteners that have a slightly raised round surface where they contact the iron. That isn't enough for aluminum, hence the washers. That's the experience I've had anyway, building engines for the last 40 years. Terry |
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