3f carb identification (1 Viewer)

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LSUfj

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Nov 16, 2006
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Location
Fort Worth, TX
I’m posting this here even though I’m installing this in a 40 series. Figured there’s more 3f experience in this section. The carb came on the 3f that came into my possession years ago and was pulled from another 40, so I have no idea what it actually came out of. Finally got it running, but am sorting out some tuning and with a stutter as soon as the pedal is touched. The accelerator pump is shooting a stream, but maybe not well enough, or immediate enough?

Anyway, hoping to figure out what I have and eventually source a rebuild kit. I bought a cheap carb to source a choke cable bracket and noticed a few differences. Mainly, mine only has a single vacuum port on the base. The replica and others I’ve seen have three. I currently have that plumbed to the distributor advance. No other vacuum on this engine other than PCV and brake booster.

Anyway, here’s a few pictures. Appreciate the help!

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Yes this is a General Market 3F carb. Quick identifier is the elongated carb base and spring off the vacuum secondary. And the obvious 3F intake.

Use the FSM, rebuild it carefully and inspect condition of all the jets, plungers, pins, springs, check balls, etc. This is the easiest of all the Land Cruiser carbs to setup and service.

And get all the RTV off. RTV has no business near a carburetor.
 
What’s your question? How do you want us to help you out? Looks like an Aisan carb.
I guess the ultimate goal is sourcing a rebuild kit. I was concerned that I wouldn’t be able to tell someone what I need. Plan to check with cruiseroutfitters unless there are other recommendations.

@matressking - thanks for the feedback. RTV was not my doing, but will get it cleaned up. Guessing this carb was used for a wide range of years. Safe to say late 80s-early 90s to align with the 3FE?
 

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