Stovebolt.com Forums The Shop Area The Engine Shop OH NO! I broke a carb part....

The YF was designed specifically by Carter for the Chevy inline six. It was designed to be a bolt on replacement that offered superior performance and reliability. It was so successful, dealers would replace troublesome Rochesters with the Carter YF, even on new cars.

That part is repairable, but the carburetor itself doesn't look like it would be worthwhile to repair.

And even if the carburetor were repairable, the repair of the broken area would exceed the value of several Rochester type B's.

One should look at the rarity, and value, of the item as well as looking at the repair.

If this had been the dual-quad hemi AFB with a broken not-so-easy-out stuck in a primary jet that was sent to me when I was still repairing carbs, it was definately worth repairing. The same carb had the other primary jet seat drilled out, so no threads were left (some folks can turn a $500. restoration into a $1500. restoration by trying to do it themselves).

Same is true with one of the two identical carburetors from an early Isotta Fraschini that the owner had sent to one of the "48-hour" turnaround "rebuilders" because he didn't like my backlog. He ended up waited about three times longer as we had to have a new casting made, and then we machined the new casting.

If the item as not replaceable and one want it, it just must be repaired; others, easier and cheaper to replace.

As others have mentioned, the correct Carter would be a good choice unless your truck is a show truck. If so, Jerry suggested that he had some Rochesters; talk to him.

Jon

Dad used to tell a story about that Carter replacement carb. Since he was a Carter dealer, and I've never known him to lie about anything, I believe it. When GM stopped equipping all their Chevy engines with Carter carbs and started using Rochesters as original equipment, The CEO of Carter vowed to sell a million replacement carbs. It took a few years, but when the one millionth Chevy carb came off the assembly line, Carter had it gold plated and presented it to the CEO of GM!
Jerry

The item circled in red....Would this not be the replacement part? Or is that a different part that I am forgetting about?

That's the accelerator pump plunger, which should be included in any rebuilding kit. What concerns me about the carb photo you posted is the massive amount of corrosion. Even if it gets cleaned up, the loss of metal on what should be a precision part is very troubling. It's better to start out with something a little closer to original condition, especially when a brand new original equipment piece was marginal at best.
Jerry

CBall,
I have a 1958 235 engine in my 50' 3100, I use a Carter YF966S carburetor. After removing the unreliable Rochester and leaking gas often, I got the Carter. Runs like a dream.
Just my 2 cents. Wish I had done that in the very beginning.
I rebuild the Rochester twice.
Good luck & keep us updated.
Todd

Update:
Hotrod Lincoln (Jerry) was kind enough to reach out and gave me a spare Rochester B carb that he had. We met up last night (We are about 40min apart) and graciously gave it to me as well as a rundown on how the entire carb works and the nuances of the Rochester B's as well as some of the history behind them! He is a valuable resource and wealth of knowledge. I am very glad that 1)this forum has had so many helpful people 2)Jerry has been so helpful and will continue to be a valuable resource for me(and others). I have taken the carb Jerry gave me apart and soaked it overnight in B-12 Chemtool to lift off a lot of surface debris, wiped it down and it is now in the ultrasonic cleaner. My hope is to rebuild Jerry's carb and then try and get mine rebuilt as a spare. Will keep up with the updates as I have them....Should really start a build thread at this point...

Jon (Carb King) makes me look like a rank amateur where carburetors are concerned. Despite his (and my) distaste concerning Rochester carbs, he makes the best rebuilding kits out there for these carbs, and he has an impressive stock of original equipment parts, not the "one size fits none" generic kits the local parts stores stock. Since the carb I gave you is missing the ID tag, there will be some guesswork concerning the exact application, but it came off an engine for a 1953 truck 216. Maybe next time we meet we can find a place that actually serves coffee!
Jerry

Not all but some Rochester ‘B’ carbs have the model number stamped into the bottom flange of the carb. I’ve posted a picture of mine which has it.

Took Jerry's carb to the ultrasonic cleaner and cleaned it up really nice! New rebuild kit and got it back installed! Now to finish getting my cooling system back together and a new brake cylinder installed and I can finally drive it!