Adding 4 TWM throttle bodies(ie one per cylinder) would really open up a
can of worms if there was a cam to help move that extra air.  Add an engine
management system to do the fuel air ration thing and you should get real
good power out of 2 liters.

DM&FS

At 01:54 AM 2/2/2005, Mark Keller wrote:
>How much more power?  I can suggest that the heads that on fixed on the
>waterboxer, ie new AMC heads or just JB weld and or Ceramic Coated heads
>really seem to be the final cure for the head leak.
>
>As for Power, I'm too in search of  power. So here's my short list
>
>S&S headers-- 4 cylinder engines live only if they scavenge.  See their
>site and Header 101 Tech article
>
>Better flowing heads, Boston Bob's Big Valve Stage III
>
>There are others, but for now consider those as things you can purchase
>and assemble. There are still some consderations so get back to me if
>you like.  You can read some of my other suggestions under Kelphoto as
>author search on vanagon.com archivies. go back to 98-2002, haven't
>written a lot lately, doing a home addition etc etc.
>
>Mark Keller
>91 Carat