Vacuum advance on FI distributor

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sierraspider

Vacuum advance on FI distributor

Post by sierraspider »

Just noticed (because hidden by air intake from afm) that there is no vacuum advance hose on my dist. I have electronic ignition, so should I plug it up. If not, where does vacuum line goes to on engine.
wizard124
Posts: 752
Joined: Mon Oct 29, 2012 9:27 pm
Your car is a: 1980 124 spider FI
Location: Sheridan, WY exSan Rafael, CA

Re: Vacuum advance on FI distributor

Post by wizard124 »

check out this photo. you can see my blue hose running from the distributor. It connects on the interior side of the intake plenum
Image
vandor
Posts: 3996
Joined: Sat May 23, 2009 1:23 pm
Your car is a: 1971 124 Spider
Location: Texas, USA

Re: Vacuum advance on FI distributor

Post by vandor »

Somewhere under the throttle drum. It may be disconnected because the vacuum advance is broken. Connect a hose to it and try sucking or blowing through. If you can, then the diaphragm is broken inside, and if you connect it to the intake it will be like a small unfiltered vacuum leak.
Csaba
'71 124 Spider, much modified
'17 124 Abarth, silver
http://italiancarclub.com/csaba/
Co-owner of the best dang Fiat parts place in town
sierraspider

Re: Vacuum advance on FI distributor

Post by sierraspider »

Found it and attached the hose, must have accidentally knocked it off when I was installing coolant T @ heater hoses. Frustrations ended, car running well.

Thanks all
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