If you've *got* an HIF with a port then use it by all means. If not you
will have to use the manifold port, or modify the rear carb.
PaulH.
----- Original Message -----
From: "Marc" <smarc@abs.net>
To: "Mgs" <mgs@autox.team.net>
Sent: Friday, April 16, 2004 7:36 PM
Subject: which vacuum source...
> I have an 80' B which has been converted to dual HIF's and old style
> exhaust. Has the 45D distributor with the factory CEI electronic ignition.
> Do I want to connect the vacuum advance line to a restrictor off the
> manifold source or the ported connection off the base of the carbs?
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