 1974 1.8L FI Vacuum hoses? |
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| Root_Werks |
 Dec 22 2010, 03:16 PM
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#41
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Village Idiot  Group: Members Posts: 8,319 Joined: 25-May 04 From: About 5NM from Canada Member No.: 2,105 Region Association: Pacific Northwest 
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| markb |
Dec 22 2010, 03:33 PM
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#42
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914less :( Group: Members Posts: 5,449 Joined: 22-January 03 From: Nipomo, CA Member No.: 180 Region Association: Central California
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| Dave_Darling |
Dec 23 2010, 08:29 PM
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#43
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914 Idiot Group: Members Posts: 14,984 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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QUOTE(zonedoubt @ Dec 22 2010, 12:25 PM)  I think this could only be proven by looking at the position of single vacuum nipple on the TB (i.e. upstream or downstream of the throttle disc). (IMG:style_emoticons/default/first.gif) (IMG:style_emoticons/default/first.gif) (IMG:style_emoticons/default/first.gif) (IMG:style_emoticons/default/first.gif) (IMG:style_emoticons/default/first.gif) (IMG:style_emoticons/default/first.gif) (IMG:style_emoticons/default/first.gif) --DD |
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| pete000 |
Oct 6 2015, 01:17 AM
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#44
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Senior Member Group: Members Posts: 1,885 Joined: 23-August 10 From: Bradenton Florida Member No.: 12,094 Region Association: South East States |
Revisiting this old thread.
I have pulled off my TB to do some cleaning and replace the mounting seal. I also wanted to see if the single vacuum port is upstream or down stream. It seems to be right under the butterfly when it is in closed position. Now if my TB is slightly warn and slightly over closing I would say the port would be rearward of the butterfly by a tiny bit. As the butterfly begins to open the port is on the rearward side towards the intake manifold. So as stated it would make sense that being "down stream" of the butterfly this line should go to the retard side of the distributor. |
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| rhodyguy |
Oct 6 2015, 06:57 AM
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#45
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Chimp Sanctuary NW. Check it out. Group: Members Posts: 22,079 Joined: 2-March 03 From: Orion's Bell. The BELL! Member No.: 378 Region Association: Galt's Gulch |
the portion of the diagram the notes the charcoal canister lines is the simple way to vent off the gassy smell with carbs using the stock plastic lines. one would need the late, plastic, canister. you mount the canister to the engine side of the rear firewall with the stock strap and draw off to one or both carbs with T.
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