Carter YF carbs that are suitable (using only 1) for a 261:

4080
4085
4086
4339
4367
4368
4369
4370
4371
4372
4375
4376
4480

Jon.


Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify.
If you truly believe "one size fits all," try walking a mile in your spouse's shoes!
The Carburetor Shop