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Watch a Fiat 28.5L engine being started for the first time since 1911

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:nailbiting: Holy crap! That's a beast!
 
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very interesting I will be sure to see that documentary
 
IF you think about it, that's a 16 valve engine on a single cam. I would think that the engine's minimum size has a correlation with the valve stem thickness because there are only a certain number of lobes you can put on a single cam in a 16 valve 4 cylinder motor.
 
IF you think about it, that's a 16 valve engine on a single cam. I would think that the engine's minimum size has a correlation with the valve stem thickness because there are only a certain number of lobes you can put on a single cam in a 16 valve 4 cylinder motor.


the 95 Neon out in my garage has one cam and 16 valves in the same basic overhead cam configuration as the engine in the link... it's a bit smaller, tho...

anyways: what does valve stem thickness have to do with displacement?
 
the 95 Neon out in my garage has one cam and 16 valves in the same basic overhead cam configuration as the engine in the link... it's a bit smaller, tho...

anyways: what does valve stem thickness have to do with displacement?
Wouldnt you need pretty thick valve stems with such huge displacement? Overall size of the valves would be bigger no? Spring pressures dont necessarily need to be high do they?
I went full retard, didn't i?
you-went-full-retard-never-go-full-retard-thumb.jpg
 
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Hell, each cylinder on that sumbitch has 435 cubic inches! That works out to somewhere in the neighborhood of an 8" bore x 8 5/8" stroke...
 
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