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1.6 vs 1.8l valves/springs (specifically mazdaspeed miata parts)

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Old 02-12-2009, 10:10 AM
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Default 1.6 vs 1.8l valves/springs (specifically mazdaspeed miata parts)

I was given a box full of mazdaspeed miata head components.. mainly the valves/springs/retainers.

My question is this... what are the stock motor valve dimensions?

Is this 1.8L valve "oversized" compared to the 1.6l miata motors?

Are the springs similar dimensions with maybe a stiffer rate?...

Help me figure out if these are garbage fodder... or if I should toss them into a spare 1.6l head when I build it for fun.
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