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Re: Difference in heads




On Wed, 18 Feb 1998 DILLARDP@edu-suu-lifac.li.suu.edu wrote:

>As for the single port/dual port...VW went to the dual port engine sometime around
>1971.  It apparently is a little more efficient because it has two openings (ports)
>in the head, one for each cylinder, as compared to the one port serving both
>cylinders in the previous design.  

It's a lot more efficient, because, in essence, the motor is just a large 
air pump.  The better it can breathe, the better the output.

A dual port 1600 will probably outperform a single port 1835, right? 

>The Gene Berg part is:  
>    GB 227 (for Type 1, Type III with universal case that has the sedan dipstick

Thanks for this info.  I'm still wondering what the deal is with the filler neck
and stock dipstick.  Don't these parts mate to the universal case somehow?

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