[TheForge] Rivets & heat

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No. The rings take up the initial gap then wear in the bore. If you run an engine too hot it will seize. Done that on everything from yard equipment to passenger cars and even an outboard. Slow learner I guess. 

> On Aug 12, 2016, at 5:04 PM, terry l. ridder <terrylr at blauedonau.com> wrote:
> 
> Hello
> 
> consider an internal combustion engine.
> anywhere from 1,2, 3, 4, 6, 8 cylinders.
> those cylinders are holes
> those holes are occupied by pistons.
> those pistons are connected to connecting rods.
> which are connected to a crankshaft.
> 
> I am going to assume that everyone on the list has numerous years
> experience with internal combustion engines. I will stick to 4-cycle
> engines.
> 
> the engine works by controlling the combustion of a fuel and air
> mixture. this combustion heats the engine block up above the boiling
> point of water & antifreeze mixture. if the cylinder were to become
> smaller the piston would seize. the piston and rings are going to
> expand. That is the whole purpose of the rings to keep the compression
> at operating temperature.
> 
> the cylinder diameter expands, no doubt about it.
> 
> -- 
> terry l. ridder ><>
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