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Dual SU HS2 Emission Control Valve

To: triumphs@autox.team.net
Subject: Dual SU HS2 Emission Control Valve
From: Dave Chu <dave@ECE.concordia.CA>
Date: Wed, 29 May 1996 01:36:24 -0400
I'm about to finish getting a dual SU HS2 setup from a 67 Spitfire 
ready for my 78 Spitfire and just have a few questions.

1) How does the Emission Control Valve fit onto the intake manifold?
   From what I can see, the ECV just plugs into the top of the 
   intake manifold.  But the connection don't seem too secure and air 
   tight.  Wouldn't this setup cause vaccum leaks?

2) What kind of hose can I use for the ECV connection?  Can I 
   use regular heater hose for this application?

3) Which metering needle is correct for a dual HS2 with a Spitfire 
   1500 engine using K&N air filters?  I guess I can use the original
   metering needle and set it a little rich to avoid the engine from
   running lean at high rmp without a problem, right?

Dave                                                  |\ |     | |      
_______________________________________/\  /\  /\_____| \|_____| |____________
Dave Chu                                 \/  \/       | /|     | |  
Dept. of Elec. & Comp. Eng.                           |/ |     | |      
Concordia University              Voice:(514)848-3115   Fax:(514)848-2802 
1455 de Maisonneuve W. H915       Email:dave@ece.concordia.ca
Montreal, Quebec, Canada H3G 1M8  http://www.ece.concordia.ca/~dave/addr.html
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