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> Engine shroud nipple missing
rbj914
post May 28 2023, 11:25 AM
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The charcoal cannister on my 73 2.0 is disconnected. You can see the lines in the engine bay. I want to reconnect it, but the nipple is missing on the engine shroud. Where do I find a replacement for this?

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JeffBowlsby
post May 30 2023, 03:34 PM
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Keep looking, there are two nipples in the area by Cyl 2.

Your flashback valve is incorrectly connected to the supply air nipple for the charcoal filter.

Look for the flashback valve nipple closer to the #2 intake port emanating from the head. Both heads should have this port - one at cyl #2, the other at cyl #3, both get connected to the antiflashback valve - to serve its purpose for safely venting the case. The way yours is set up you are directing fan supply air into the intake through the flashback valve. Sort of a turbo effect, but likely leaning out the mixture.

Study Dave D's diagrams, it shows the relative locations of the two ports at cyl 2.


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rbj914   Engine shroud nipple missing   May 28 2023, 11:25 AM
Superhawk996   Concours answer is find a donor part and swap or h...   May 28 2023, 01:03 PM
rbj914   Concours answer is find a donor part and swap or ...   May 29 2023, 10:03 AM
Dave_Darling   Engines which had this blocked off should have a f...   May 28 2023, 03:57 PM
rbj914   Engines which had this blocked off should have a ...   May 29 2023, 09:56 AM
Superhawk996   Hmmm . . . Based on Dave’s comment I went and lo...   May 29 2023, 05:09 PM
Dlee6205   Are you looking on the driver's side engine ti...   May 29 2023, 05:27 PM
rbj914   Ok, I think I see the problem. I do have a nipple ...   May 30 2023, 02:42 PM
GregAmy   Hell, I put an engine in three weeks ago and I...   May 30 2023, 03:10 PM
JeffBowlsby   Keep looking, there are two nipples in the area by...   May 30 2023, 03:34 PM
914werke   More interesting information. Indeed I never conn...   May 30 2023, 04:00 PM
rbj914   Well, this can't be good. #3 has the nipple an...   May 30 2023, 06:22 PM
JeffBowlsby   I think you may have an earlier year head. They d...   May 30 2023, 06:46 PM
rbj914   Thanks Jeff, I will be under the car this weekend ...   May 31 2023, 06:25 AM
Dlee6205   That's what I would do. It shouldn't hurt...   May 31 2023, 06:40 AM
rbj914   That's what I would do. It shouldn't hur...   May 31 2023, 09:14 AM
rbj914   To all that posted on this thread. I now know more...   May 31 2023, 09:25 AM
Jim C   Was the engine from an A/C equipped car? If so you...   Jun 5 2023, 11:59 AM
rbj914   Was the engine from an A/C equipped car? If so yo...   Jun 7 2023, 09:09 AM


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