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Super Moderator
Join Date: Jun 2004
Location: seattle, washington
Posts: 6,757
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Quote:
Originally Posted by kdjones2000
Peter, if the valve stems diameter is reduced, how can you not change the ceramic guides? Unless only the intakes have the smaller stem I guess....
Great work on this. How much flow would this solution be capable of, compared to a 16V head?
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hahah that is a very good question and i was wondering when someone would ask. the valve guides were very carefully replaced with new ones. lots of TLC went into this design and we're not aware of anyone who has been able to do it this way before. 
the really big bonus of this method is that you can use off-the-shelf parts so you avoid the high costs of por$che-$pecific components, just like with the darton sleeves and JE pistons.
edit: to be clear, the entire valve stem diameter is smaller, not just the tapered area.
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'89 turbo-s (2.7, wolf3d ems, garrett dbb turbo, tial 46mm, etc. fast!)
Last edited by nize; 01-19-2014 at 08:04 PM..
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