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Combustion chamber capacity

old grumpy

Donation Time
I have always assumed the alloy head from 1600 and 1725 are similar and the same combustion chamber capacity. But is it so? 1600 have shorter stroke - less c.r.? Piston bowl is similar. I can't find any info about the size of the 1600 alloy head in my books. Anyone who knows?
 
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