How to identify engine? 1600? 1500? other?

[Mikey]

unless I'm mistaken, Vw only had Dual port engines that were 1600's. And on top of that, the case only tells you what the engine was when it came from the factory. Almost 30 years ago. My buddy has seen an engine with stock carb and exhaust and it was an 1835.

Still, the numbers will give you an idea of what size engine, but they're not 100% correct all the time.

Just something to think about.