Main jet size Alli C , two fuel
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Category: Allis Chalmers
Forum Name: Farm Equipment
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=188828
Printed Date: 27 Aug 2025 at 3:46pm
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Topic: Main jet size Alli C , two fuel
Posted By: John426
Subject: Main jet size Alli C , two fuel
Date Posted: 12 Jun 2022 at 9:40am
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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?
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Replies:
Posted By: steve(ill)
Date Posted: 12 Jun 2022 at 1:09pm
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https://www.allischalmers.com/forum/model-b-carburetor_topic159844.html" rel="nofollow - https://www.allischalmers.com/forum/model-b-carburetor_topic159844.html ------------- Like them all, but love the "B"s. |
Posted By: Steve in NJ
Date Posted: 12 Jun 2022 at 4:13pm
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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...  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 |