1932 Model B spark plug questions.

37 Coupe

37 Coupe

Well-known member
I have gotten the Model B engine running finally today,runs a little rough so got some adjustments to make. The spark plugs that were in it are Champion W 18 it seems to be an industrial plug? So is there any recommendations for a good running plug .Plugs were black sooty when I inspected them before so running rich just don't know how smooth a Model B should run or idle compared to Model A I have owned about the same with the counterbalanced crank.
 
Just my "opinion" here BUT I would look to your "Zenith" carburetor first and make sure that it is set correctly, the proper float level is set etc etc. IF you check out Renner's Corner and what it takes to properly set the float and fuel flow you will see!!! They are not as simple to get right as many think!!! As you stated, running rich and that is the main feed source for that issue!!!! I have just recently gone down this particular rabbit whole....and have 4 Zeniths done and ready SO I have most recent experience on them!!!! Once you got the Zenith right, clean your current plugs and see how it runs
FOR your 32, the "raised" Zenith is what you should have, IF its raised with a cast "3400" (I believe is the number) that is a post 34/Service replacement. IF you have a "late" 32 and an "indent" Zenith, you could continue to use that which carried into the 33 and 34 4cyl's. IF you are going for "proper authenticity" 32 carburetor is your goal?


AGAIN, just my opinion!!!
 
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Sorry "Stamped 32005" on intake neck at an angle just below the mounting flange, is the "post" 34/service replacement as pictured (lower carb), ALSO notice the casting difference in the bowl area of the two!!!
 

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I've had good performance with Champion 3s for early and mid-year Bs and Champion C-4s for late '32-'34 fours.
 
rockfla said:
Just my "opinion" here BUT I would look to your "Zenith" carburetor first and make sure that it is set correctly, the proper float level is set etc etc. IF you check out Renner's Corner and what it takes to properly set the float and fuel flow you will see!!! They are not as simple to get right as many think!!! As you stated, running rich and that is the main feed source for that issue!!!! I have just recently gone down this particular rabbit whole....and have 4 Zeniths done and ready SO I have most recent experience on them!!!! Once you got the Zenith right, clean your current plugs and see how it runs
FOR your 32, the "raised" Zenith is what you should have, IF its raised with a cast "3400" (I believe is the number) that is a post 34/Service replacement. IF you have a "late" 32 and an "indent" Zenith, you could continue to use that which carried into the 33 and 34 4cyl's. IF you are going for "proper authenticity" 32 carburetor is your goal?


AGAIN, just my opinion!!!
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I actually have no faith in the current Zenith that is on the car and the person who "rebuilt" it. I wanted my V8 carb and fuel pump guy to rebuild ,Charlie NY but he was the first to tell me he can work on them but will not as he has to test run on car so only does local Model B Zeniths. So I have gotten a lot of info from Dave Renner and since I have no winter project planned I though about trying to learn and go through a couple real good Zeniths (good looking anyway) and see what I can accomplish or learn at near 80 years old.
 
37 Coupe said:
I actually have no faith in the current Zenith that is on the car and the person who "rebuilt" it. I wanted my V8 carb and fuel pump guy to rebuild ,Charlie NY but he was the first to tell me he can work on them but will not as he has to test run on car so only does local Model B Zeniths. So I have gotten a lot of info from Dave Renner and since I have no winter project planned I though about trying to learn and go through a couple real good Zeniths (good looking anyway) and see what I can accomplish or learn at near 80 years old.
Click to expand...
37 Coupe
I had mine done by Tim Harness out in California, he is really cracker jack on Model A Zeniths but is also good with the B's too. IF you would like his info PM me and I will pass it along!!!! Very very happy with what he did for me...also did an A carb for me as well as my B's!!! Here is a good previous fordbarn post for you and to what DavidG posted above, interesting read for sure!!!!


https://www.fordbarn.com/forum/showthread.php?p=985740
 
Dave Renner is another source for restoring B carburetors, but a B carburetor makes for a good diy project if there's no excessive throttle or choke shaft wear.
 
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