Ford 2000 carb replacement

Hello! I recently acquired a ford 2000. I did some checking on the serial/production numbers and it appears to be a 1967, gas, live pto, ag/general purpose model. Anyhow, the original carb has lots of problems including being repaired with jb weld... so I was going to replace it with a zenith carb. I am having difficulty deciding which of the 2 zenith models to purchase. They appear to be identical aside from the throttle shaft plate dimensions from center to center of linkage ball. One model is 3/4 and the other is 1". My Holley carb is stamped with the # c9nn9510b, however on most of the tractor parts websites the zenith replacements don't list this number. I am not sure even if this holley carb was original or swapped out years ago by a previous owner. I read that in 1968 the throttle linkage/governor arm was changed, so I would like to buy the correct replacement carb. The holley carb's throttle shaft plate dimension is 3/4, but I don't know if this was the actual original carburetor. if anyone has any wisdom on this topic please share it!
 
Buy the one for a 3000.
2000 and 3000 have the exact same 158 ci engines. Only difference between them is they goverened the 3000 about 150 Rpms higher.
Yes they did change the governor on those engines about that time but it has no bearing on the carb - they work the same.
Generally, if you buy all your parts for a 3000 gasser it will be less confusing.
2/3000s share about 95% of the same parts.
 
Ultradog, the ?65-?68 governor and linkage parts lists are different than the post-?68?s. How much the parts are different, I don?t know. I know what our ?65 looks like but haven?t had the chance to compare to our ?69 3400 (loader frame is in the way). When we bought our Zenith, the owner of the company below said the carbs? linkages are different. You may be right, the changes may be minimal and the later model might be easily adapted.
FarmersService
 
Thank you for your responses, this difference in the linkage is what has got me questioning which carb to buy... maybe I should just go with the carb for the 3000. But what effect will it have if the linkage is wrong for this carb? Maybe minimal- maybe none, I don't know.
 
Really suggest Farmers Service to get a straight answer. Note that his Zenith page lists early/late 2000?s but I don?t know exactly what that entails. Notice that he specifically states that he?s not selling universal fit carbs. For the price of a Zenith, why not make a phone call.
Zenith link
 
Okay, you make a good point. I will call them tomorrow and see what they say. If anyone else has any experience with zenith carbs, any advice will be appreciated.
 
Yes there is the early 2 arm and later one arm governors. The one arm is simpler - has fewer parts, linkages, etc. The throttle rod from the handle and bell crank under the intake manifold are different too. But...
When they get down to moving the carb butterfly they operate exactly the same.
I put a newer engine into an older tractor and had to change the throttle rod from the handle to the bell crank and the bell crank itself. Took those parts off the old engine. Don't remember if I had to change the rod from the bell crank to the governor. Dont think I did.
The same carb works on either style of governor with no modification or adaptation of any kind required. Bet my tractor on it.
It doesnt hurt to call though. See what they have to say.
 
My Holley carb is stamped with the # c9nn9510b

The number stamped or cast into a part isn't necessarily the part number. It is usually a number that means something to the engineers that designed the part. For most parts they had at least 3 different numbers:

1. The design number which on cast parts was usually a raised casting number, but on third party parts like the Holley carb they might have been stamped or on a printed label.
2. The assembly line tracking number, which was used by the folks that tracked and restocked the parts for the assembly line.
3. The part number, which is what you use when ordering replacement parts.

The numbers that are on individual parts on a new tractor when it left the factory were generally either #1 or #2 above, or possibly both. A part that has already been replaced at least once is more likely to have #3 on it somewhere, but not always.
 
You are probably correct in the functionality but there is a difference in the lever on the side of the throttle shaft. The earlier one is shorter (needs less movement of the rod to translate into full throttle). My tractor had an incorrect later Holley on it and I swapped for a correct early Zenith.

It required adjusting the rod from the governer to the carb but seems like there was enough travel in the governor linkage to accommodate either version.

(quoted from post at 05:39:34 08/01/18) Yes there is the early 2 arm and later one arm governors. The one arm is simpler - has fewer parts, linkages, etc. The throttle rod from the handle and bell crank under the intake manifold are different too. But...
When they get down to moving the carb butterfly they operate exactly the same.
I put a newer engine into an older tractor and had to change the throttle rod from the handle to the bell crank and the bell crank itself. Took those parts off the old engine. Don't remember if I had to change the rod from the bell crank to the governor. Dont think I did.
The same carb works on either style of governor with no modification or adaptation of any kind required. Bet my tractor on it.
It doesnt hurt to call though. See what they have to say.
 
I did a swap recently on my 71 2000 for a 3000 Zenith. One of the best moves ever! Tractor has a bit more power and runs quite a bit better.

John
 
Since we now know from your other thread that the engine is in fact from a 1971 3000, you should definitely get the carb for the 3000.
 

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