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 Holley 3418-1 855VS L-88 
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Joined: Mon May 15, 2017 4:04 pm
Posts: 81
Image

Purpose of holes on secondary idle well into float bowl side?

I have done two of these and all the other I have seen have these holes so I am reasonably sure they are factory.

Hopefully the pic's link but, my dropbox is not very reliable.


Thu May 18, 2017 9:11 pm
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Joined: Mon May 15, 2017 4:04 pm
Posts: 81
https://www.dropbox.com/home/Camera%20Uploads?preview=2017-04-13+21.07.51.jpg


Thu May 18, 2017 9:17 pm
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Joined: Mon May 15, 2017 4:04 pm
Posts: 81
It's the metering block with the PV Block. The link works on my computer and lets me enlarge but if it does not work for you guys let me know and I can try something different.


Thu May 18, 2017 9:21 pm
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Joined: Sun Oct 23, 2016 5:52 pm
Posts: 138
Location: Canada
Image/s not working... all I get with post #2 is a sign in page...

_________________
Mike

1986 Mustang convertible. Originally 3.8L V6 with EEC-IV CFI.
Now has a Holley List-4412-2, and averages 34 (28 US) MPG.
If you're ever bored - some narrow band O2 tuning video of this thing:
http://www.youtube.com/channel/UC9glRIa3jAAtNhaXfg_cZXQ


Thu May 18, 2017 9:21 pm
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Joined: Mon May 15, 2017 4:04 pm
Posts: 81
On the second link or the first with the image? Any suggestions, I have had a lot of problems linking from photobucket and dropbox in the past.


Thu May 18, 2017 9:24 pm
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Joined: Mon May 15, 2017 4:04 pm
Posts: 81
https://www.dropbox.com/s/zqh4bunthr3kc ... 1.jpg?dl=0


Thu May 18, 2017 9:27 pm
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Joined: Sun Oct 23, 2016 5:52 pm
Posts: 138
Location: Canada
Your very first post... all that's there is the word Image in text...

Post #2 with the link... get a sign in page...

Your last link... is maybe loading...

I have had good luck using photobucket for a good long while now...

_________________
Mike

1986 Mustang convertible. Originally 3.8L V6 with EEC-IV CFI.
Now has a Holley List-4412-2, and averages 34 (28 US) MPG.
If you're ever bored - some narrow band O2 tuning video of this thing:
http://www.youtube.com/channel/UC9glRIa3jAAtNhaXfg_cZXQ


Thu May 18, 2017 9:49 pm
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Joined: Sun Oct 23, 2016 5:52 pm
Posts: 138
Location: Canada
Last link, I can see image, the whole carburetor, apart...

_________________
Mike

1986 Mustang convertible. Originally 3.8L V6 with EEC-IV CFI.
Now has a Holley List-4412-2, and averages 34 (28 US) MPG.
If you're ever bored - some narrow band O2 tuning video of this thing:
http://www.youtube.com/channel/UC9glRIa3jAAtNhaXfg_cZXQ


Thu May 18, 2017 9:51 pm
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Joined: Mon May 15, 2017 4:04 pm
Posts: 81
I don't know if it will let you in large or scroll? You might be able to see one of the holes by the accelerator pump tube if you look closely. The first one I did last year freaked me out as I though someone drilled it. I searched some pictures on the net of these blocks and saw others had it also. Then I picked this one up fairly cheap and it is the same. The first one I did for a guy for his L-88 clone but set , it up for his 327 until he swapped engines, actually worked pretty well for him. He was likely not getting much secondary action with the black spring and check ball in it, LoL.


Thu May 18, 2017 9:59 pm
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Joined: Sun Oct 23, 2016 5:52 pm
Posts: 138
Location: Canada
I maybe see some holes down low on the secondary block, just above the jets?...

Too funny, I took a black secondary spring out, added a plain spring, and added a check ball back into this 1850-13's secondary diaphragm housing.

_________________
Mike

1986 Mustang convertible. Originally 3.8L V6 with EEC-IV CFI.
Now has a Holley List-4412-2, and averages 34 (28 US) MPG.
If you're ever bored - some narrow band O2 tuning video of this thing:
http://www.youtube.com/channel/UC9glRIa3jAAtNhaXfg_cZXQ


Thu May 18, 2017 10:35 pm
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