Marvel schebler main jet flow rate I have recently accuired a Marvel Schebler Carburetta which is in very nice condition. I have tested it on an engine which is on a stand and it appears to run quite nicely other than it seems to be running a bit too rich even with the GAV turned all the way in.
I would like to test the flow rate of the main jet which unfortunately appears to be interfered with (rough solder at the tip) I am aware of the great articles written by Barner Jeff in BC but I can't find any reference to a flow rate for the main jet. Can any one supply an acceptable flow rate for me to test and resize as required. Thank you in advance for any advice. A big thank you to Jeff in BC for all his great work, it was very useful. Runnerbun |
Re: Marvel schebler main jet flow rate I would suggest measuring it now, re solder and drill a few sizes smaller then work up.
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Re: Marvel schebler main jet flow rate When I got my first Model A, the PO had adjusted the flow rate of the main jet by putting about 4 strands of wire from ordinary plastic covered electrical wire. He put them through the jet and bent over the top and bottom so they wouldn't fall out. I think he did it by trial and error and he knew what he was doing. The car ran very well, had as much power as any of the other cars in the club and usually won the best economy trials.
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Re: Marvel schebler main jet flow rate Synchro, that is definately thinking outside of the square. If all else fails I might just give it a try.
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Re: Marvel schebler main jet flow rate Interesting topic. Where does one get the drills small enough to drill out the jet?
I have been playing with the MS carbs, ( An addiction of sorts) All run good. Some get great mileage others get horrible. Paul |
Re: Marvel schebler main jet flow rate Google pin vice drill bits for some options
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Re: Marvel schebler main jet flow rate Quote:
You will also need a pin vise (a hand operated chuck /vise to hold your micro bits.) |
Re: Marvel schebler main jet flow rate Quote:
I have a drill set that goes down to .022"----Imagine the precise machinery that made it? I LOST it in the carpet & Buster T, my Dog, found it for me!!! Bill W. |
Re: Marvel schebler main jet flow rate Here is the Guru for Marvel-Shembler carbs:
JR BULLOCK 976 COUNTRY ROAD 2310 TEXARKANA, TX 75503 TEL: 903-748-8299 [email protected] JR rebuilds and sells Marvels. Give him an call. I think he could accurately answer any questions you may have. |
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