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Main jet size Alli C , two fuel
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John426 View Drop Down
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Joined: 14 Aug 2012
Location: France
Points: 310 		Post Options Post Options   Thanks (0) Thanks(0)   Quote John426 Quote  Post ReplyReply Direct Link To This Post Topic: Main jet size Alli C , two fuel
    Posted: 12 Jun 2022 at 9:40am
Hi

My Allis was in configuration af 2 fuel gasoline and petrol/TVO

Now i use only gasoline, never more petrol.

Do you think i have to change carburetor adjustment? for example main jet size? or to buy another set of jet?
I have a ZENITH model 61. What is the right main jet size for gasoline?
It is Non-adjustable power jet. but may be i have to put a Needle set for Fuel Adjustment?


Edited by John426 - 12 Jun 2022 at 11:25am
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 87674 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jun 2022 at 1:09pm
https://www.allischalmers.com/forum/model-b-carburetor_topic159844.html
Like them all, but love the "B"s.
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Steve in NJ View Drop Down
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Joined: 12 Sep 2009
Location: Andover, NJ
Points: 11992 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve in NJ Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jun 2022 at 4:13pm
Leave it alone. It will work fine. Fine tune it as per your repair manual and leave it be. When I rebuild dual fuel Carburetors for customer's, I put the same jets right back in after a total rebuild unless the jet is messed up from someone trying to get the jet out without the correct tool. Then they send the Carburetor to me...  Angry

Steve@B&B
39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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