I'm not surprised to see you be happy with this book. It's great book.
Too bad people really are not into books. They seem to try everything the hard way. "Let's try this jet and see what it does". No wonder carbie tuning seems unattainable.
Carbie people - do yourself's a favour and get this book.
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More good reading on that VW aircooled page. Pretty much everything applies to Toyotas as well so there you go: