The mystery hole is for a plastic switch that screws into the threads.
I have placed a picture of the PDWA on my car on the web site below to
show you how it looks installed. Take a look and let me know if it
doesnt make sense to you after looking at the picture.
71 TR6 (Throttle Body Injection!)
From: Steinman, Bill <email@example.com>
To: firstname.lastname@example.org; email@example.com
Sent: Fri, 30 Sep 2005 20:35:27 -0400
Subject: PDWA replacement
I got a replacement PDWA from victoria british. It has five ports
four. On one end is the plug for the valve. On the sides it has two
(front brakes and back brakes)n all of which are filled with plastic
plugs for shipment. Then, on the opposite end of the plug, there's
large black plug, with a green plastic cap like the ones plugging the
for shipment. What do I do with this end, as the TR250 only has four
and out of the PDWA?
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