 vacumn lines, whaT WHERE |
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| orangecrate |
 Apr 1 2026, 05:51 AM
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#1
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Member  Group: Members Posts: 180 Joined: 16-September 13 From: Apache Junction AZ Member No.: 16,394 Region Association: Southwest Region  |
Have a stock 72 1.7 I'm putting back together. I'm a bit confused about the dizzy vacumn line placement. I have vertical and horizontal vacumn ports on the throttle body and a port on the inside (toward the dizzy) and outside (away from the dizzy) of the vacumn advance can. What goes where? None of my manuals have a great picture or give a good explanation. thanks..
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| porschetub |
Apr 1 2026, 05:13 PM
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914 Guru Group: Members Posts: 5,064 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(orangecrate @ Apr 2 2026, 12:51 AM)  Have a stock 72 1.7 I'm putting back together. I'm a bit confused about the dizzy vacumn line placement. I have vertical and horizontal vacumn ports on the throttle body and a port on the inside (toward the dizzy) and outside (away from the dizzy) of the vacumn advance can. What goes where? None of my manuals have a great picture or give a good explanation. thanks.. Jeff Bowlsby has a great pic on his site ,one everyone uses ,the outer vacuum pickup on the dizzy go's on the throttle body as that regulates vacuum dependent on the position of the butterfly, the inner port nearest distributor body is the retard side which I presume is coupled with a port on the plenum manifold ...I'am not totally sure of that so hopefully some will chime in on that because my experience is with AFM (later) Motronic systems ,cheers. |
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| JeffBowlsby |
Apr 1 2026, 05:17 PM
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#3
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914 Wiring Harnesses & Beekeeper Group: Members Posts: 9,222 Joined: 7-January 03 From: San Ramon CA Member No.: 104 Region Association: None 
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This may help
Attached image(s) 
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| orangecrate |
Apr 1 2026, 06:01 PM
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#4
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Member Group: Members Posts: 180 Joined: 16-September 13 From: Apache Junction AZ Member No.: 16,394 Region Association: Southwest Region |
QUOTE(JeffBowlsby @ Apr 1 2026, 04:17 PM) This may help yes Indeed Thank You. (IMG:style_emoticons/default/beerchug.gif) |
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