The Ford Barn

TudooR31 · 09-01-2012, 04:30 PM

Hi Ford Barn,
I inherited this odd Zenith carb with the purchase of my '31 standard Tudor last spring. I've seen pics. of similar in another FordBarn post. Was this the Sears or 'Marvel' version of the Zenith carb? I've attached a pic. & marked A. Idle adjustment & B. lean/rich adjustment, I think, since you can't L/R this car with the choke rod. What are the correct adjustments for these 2 screws? If the photo does not attach, A. is up by the carb throat near the intake manifold & B. is down at the leading edge below the float body facing the front of the car.
Thanks.

Special Coupe Frank · 09-01-2012, 04:43 PM

Looks like the Zenith carb off a Farmall or Gravely Model L walk-behind, especially that main-jet at B.

Looks like a fitz-all replacement carb.

Bob C · 09-01-2012, 05:16 PM

It's similar to a forklift carb adapted for the Model A
LINK http://www.autotestsys.com/Merchant2..._Code=ZEN13922

Bob

Kurt in NJ · 09-01-2012, 05:33 PM

Sponsored Links (Register now to hide all advertisements)

"A" is the idle mixture adjustment, "B" is the main jet adjustment, A is turned to a good idle running, b is for the driving mixture ---this is the modern replacement carb, much like the replacement carb for Atomic 4 sailboat engines, also used on forklifts and other small engines under 40 hp

09-01-2012, 04:43 PM	#2
Special Coupe Frank Senior Member Join Date: May 2010 Location: Northeast Penna Posts: 2,108	Re: 1stPost_AlternateZenithAdjustments Looks like the Zenith carb off a Farmall or Gravely Model L walk-behind, especially that main-jet at B. Looks like a fitz-all replacement carb.

09-01-2012, 05:16 PM	#3
Bob C Senior Member Join Date: May 2010 Location: So Cal Posts: 8,847	Re: 1stPost_AlternateZenithAdjustments It's similar to a forklift carb adapted for the Model A LINK http://www.autotestsys.com/Merchant2..._Code=ZEN13922 Bob

09-01-2012, 05:33 PM	#4
Kurt in NJ Senior Member Join Date: May 2010 Location: on the Littlefield Posts: 6,196	Re: 1stPost_AlternateZenithAdjustments Sponsored Links (Register now to hide all advertisements) "A" is the idle mixture adjustment, "B" is the main jet adjustment, A is turned to a good idle running, b is for the driving mixture ---this is the modern replacement carb, much like the replacement carb for Atomic 4 sailboat engines, also used on forklifts and other small engines under 40 hp