VCCA Home Forums TECHNICAL - 1945 AND NEWER 1949-1954 Rochester or Carter

Hello I have a 50 Chevy Fleetline Deluxe does anybody know what type of Carburetor came original ?? because I just called the Napa parts store and they say that there book shows a carter 1brl was the original and where can I find this information??
Thank you
Al #49427

A Rochester carburetor was original equipment for 1950. The last year for a Carter as original equipment was 1949.

Thanks J D I have a couple more questions for you
where would you recommend that I send the carb for rebuild ??
I do not want to use it as a core I want mine to be rebuilt and sent back to me. also what would be a good price?
NOT sure if you are allow to mention or recommend a shop in open form like if not sorry I asked.
Thank you
Al #49427 taz5863@msn.com

Do you have a Rochester carburetor or a Carter carburetor?

And if it is a Rochester is it an original low cover or a replacement 1952 or later high cover? ....as is often found due to the 1950 Rochester being some what of a dog.

Check the services section of the G&D. There are folks listed who rebuild Carter and Rochester. It's actually a simple rebuild and kits are available if you or a local person you trust want to do it yourself. The advantage is you have a quicker turn around time rather than sending it away, and lower chance of having that carb lost if you want to stick with your original. I find that a good local repair /restoration shop can do it that easily if you don't know a fellow club member. Also a nice advantage to joining a region is that you meet people who enjoy doing that stuff. Good luck.

Hello I have a Rochester but I do not know if it is a low cover or high cover??? I not sure what you are asking me?
If somebody can tell me what to look for I will look.

Thank you
Al 49427

Low Cover: The top cover of the carburetor where it attaches to the main body of the carburetor is very thin and it tends to warp.

High Cover: The top cover of the carburetor is a lot thicker than the low cover and this carburetor was used as a replacement for the 1950-51 low cover carburetors.

Thank you J D I will look tonight... and get back to you
I am getting a little smarter every day and I just wanted to thank everybody who has helped me along the way.

Al 49427

Hey....glad to help out.

If you have a high cover the flange will be about 5/16" from the gasket area to the top of the flat on the side of the top cover. If its a low cover it will only be about 1/8".

Hello I have the low cover it is 1/8!!! does anybody know a part number for this carb mine does not have the tag on it?
Thanks for the help
Al 494287

You will be better off replacing your carburetor for the later model with the high cover.

If you scroll down to the tech talk forum there is a carb listing by year. The Rochester "b" carb is fairly common and you should not have any problems locating one, either rebuilt or a good rebuildable core. Just try to find one that has the thicker top cover and same choke and throttle arrangement.

CFD,

216 - 7002539
235 - 7002051 (PG)

Both Rochester

The 1929-50 Parts Book gives no identifying help. Sorry. I think JD and Gene can help in this area. Maybe there are some identifying aspects other than the height of the cover. Some numbers or letters, perhaps.

Charlie

BTW: I had my Carter carburetors (3) rebuilt by American Carburetor. I think they are out of FL. They come to several car show flea markets. Look them up. They are a husband and wife (great people) team and they do really nice professional work. It will cost you about $175.00 (pricey) for them to do it but it will come back perfect and you'll know its been done right.

Charlie,

While looking for your carb shop, I find same name in several locations.

Where is the American Carburetor you know?

Update ... is it, for certain, in Florida?

ALL American Carburetor ? http://www.allamericancarburetor.com/

Hello I did scroll down WOW! Thanks still new at this
I found part #7002050 but it does not say anything about thick or thin it just says 1950 Chevy 216 Rochester B
not sure where you found part# 7002539???
I will do more looking unless anybody has any other part #S
or want to agree that one of these is the right # ??
Thanks
Al 49427

The 7002539 is the service part number for the 7002050 carb. and is the thin flange carb. In reading my parts book it seems that the carb number on the tag was not always the same as the service part number. It appears that some carbs had the full seven digits on the tags and some only the last four. I'm not sure of the carb number you would want, but most likely the rebuilders will go by the model, (Roch-B) type of choke-manual or automatic, and whether it's for a 216 or 235 as the mounting base dimensions are different.

The original 1950 216 carb. was part #7002050. Sold under part # 7002539 as it was sold as a replacement for 1941-1949 engines also. The air horn/bowl cover has #7002254 cast on it.
This part was used in 1951 also.
In 1952 the new "high cover" was introduced for production. It was sold under 7004600 and was a replacement for the 7002539. 7003911 was cast on to the bowl cover. This carb was standard equipment on 1952 and 1953 216 engines.and trucks.
There were minor changes made to the 1950 and early 1951 carburetors + dealer midifications listed in the Service News to improve on problems with this unit
Some worked OK and some didn't.
If you purchase a new kit for any of the above you get the same kit and it comes with two different bowl cover gaskets. One for the low cover which has large cut-outs in it and on for the high cover that has more solid areas.
Te kits fits up through 1958. There are a lot of other parts that are different but they do not come with the kit and usually not needed.
If it were me I would try rebuilding the original 1950 low cover IF it was working fairly well....or try to fine a good rebuildable high cover unit.
Order a new insulator block the fits between the manifold and carburetor as they often crack. Available form the Filling Station.

BOBG.

Yes. It's All American Carburetor out of Jacksonville, FL. The one you highlighted.

They are great people. Gaurentee their work and test run your carburetor.

Al,

All the posting by Gene, et al, about the 1951 being used as a replacement for the 1950 Rochester may present a delimma for you as follows:

a. Do you want to go to the expense of rebuilding an inferior carburetor?

b. Does the 1951 cause points off when used on a 1950?

c. Is the even better 1952 carburetor considered a no points off replacement for the 1951?

d. Is the even better 1952 carburetor considered as no points off replacement for the 1950?

e. Are the judges all that knowledgeble about the differences between the 1950-1952 Rochester carburetors? Do they care one way or the other? Or do they just look for a Rochester carburetor and just let the small stuff pass? Mercy!

If it were me and I was building a trailer queen, I would go with the 1950 carburetor and then raise holy h--l if I saw a competor's car with a 1951 or 1952 on it.

Well, maybe I would and maybe I wouldn't. It might depend on whether I had the most points or not.

It would really get my goat if I pulled my 1950 out of the trailer and, owing to the 1950 carburetor, it spit and sputtered all the way to its position in the line up only to have another comparable car, running like a sowing machine, smoothly pull up beside me. You know? And the owner of the 1950 with the finer running engine a-grinning like a mule eating briars. Mercy. That's what Colts were made for. Well, not really. But you get the picture.

If I were restoring it for a driver, I would go with the 1952 carburetor. Hands down.

Your call.

Good luck,
Charlie

Charlie,
Thanks for the verification on the carb shop.

Regarding the Rochester vs Carter. If judging states the Rochester has to be there, so be it.

From an overall performance and fuel economy point of view, folks have been very pleased swapping out the Rochester for a Carter. Mine still has the Rochester, but mine also works OK .... so far.

WOW I can not get over all the information that everybody has helped me with, thank you all for all the in put.
I am going to rebuild the original Rochester carb that is on the car.
Thank you
Al