[Fot] How to best hook up a two vacuum distributor on a 74 TR6

Stutzman stutzmans at comcast.net
Fri Jun 27 18:11:38 MDT 2008


The vacuum unit pointing forward is advance.  The vacuum unit facing toward 
the firewall is retard. The advance unit connects to the front carb and the 
retard unit connects to rhe rear carb.  Disconnect the retard unit and plug 
the line to the carb.All the retard unit does is retard the spark at idle 
and give you a lousy idle.
Bruce
----- Original Message ----- 
From: "jim hearn" <jimhearn1 at comcast.net>
To: "'Friends of Triumph'" <fot at autox.team.net>
Sent: Thursday, June 26, 2008 12:23 AM
Subject: [Fot] How to best hook up a two vacuum distributor on a 74 TR6


>I have a 1974 TR6 that I use entirely for AutoX and on the track.  It was
> previously an SCCA club racer.  I have not had the motor down so the only
> mods that I am aware of are slightly hotter cam (don't know specs), 
> headers
> (homemade but look good), and the early two vacuum distributor.  If I only
> have one vacuum line from the stock ZS carbs, does it matter which vacuum
> unit I hook it to and is the other simply closed off?  Or is there another
> way altogether?  Any thoughts or insight would be greatly appreciated.
> Thanks, Jim
>
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