Technical Rochester monojet carb replacement

Alright carburetor experts, I need to simply know what carb is an upgrade from a Rochester. The Rochester I have just has too many leaking problems even after a couple rebuilds. By the way the engine is a 235.


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What is an upgrade from a Rochester B??? A leaky boot!

Seriously, Carter offered a number of type YF carburetors specifically calibrated for the 235 with linkage specifically made to attach to the 235. Just need to know year, and vehicle (truck carbs generally have manual chokes, p***enger vehicles have automatic chokes).

Carter YF carburetors produced for use on Chevrolet

756s – 216 engine aftermarket 1937~1952
787s – 216 engine aftermarket 1937~1952
788s – 235 engine aftermarket 1950~1952
789s – 235 engine aftermarket 1950~1952
890s – 235 engine aftermarket manual choke (number ***igned, no production)
891s – 235 engine aftermarket auto choke (number ***igned, no production)
964s – 216 engine aftermarket manual choke 1937~1952
965s – 216 engine aftermarket auto choke 1937~1952
966s – 235 engine aftermarket auto choke 1950~1952
967s – 235 engine aftermarket manual choke 1950~1952
2008s – 216 engine aftermarket 1937~1952
2046s – 206 engine aftermarket 1932~1936
2100s – 235 engine aftermarket manual choke 1953~1956
2101s – 235 engine aftermarket auto choke 1953~1956
2104s – 261 engine aftermarket (number ***igned, no production)
3055s – aftermarket (number ***igned, no production)
3211s – 235 engine aftermarket 1957~1962
3379s – 153 engine original equipment manual trans 1962~1966
3402s – 153 engine original equipment auto trans 1962~1966
3711s – 194 engine aftermarket 1962
3760s – 230 engine (number ***igned, no production)
3770s – 230 engine (taxi) original equipment auto transmission 1964~1965
3771s – 230 engine (taxi) original equipment manual trans 1964~1965
3772s – 194 engine auto transmission (number ***igned, no production) 1964
3773s – 194 engine manual trans (number ***igned, no production) 1964
3821s – 194 engine (van) original equipment 1964
3946s – 194 engine aftermarket 1964~1965
3946s – 230 engine aftermarket 1964~1965
3975s – 230 engine (van) original equipment manual trans 1965
3976s – 230 engine (van) original equipment auto trans 1965
4043s – 194 engine (van) original equipment manual trans 1966
4043s – 230 engine (van) original equipment manual trans 1966
4044s – 194 engine (van) original equipment auto trans 1966
4044s – 230 engine (van) original equipment auto trans 1966
4048s – 230 engine (van) aftermarket experimental 1963~1966
4072s – 194 engine original equipment auto trans CALIF smog 1966
4072s – 230 engine original equipment auto trans CALIF smog 1966
4073s – 194 engine original equipment manual trans CALIF smog 1966
4073s – 230 engine original equipment manual trans CALIF smog 1966
4080s – 194 engine original equipment (p***) auto trans CALIF smog 1966
4080s – 230 engine original equipment (p***) auto trans CALIF smog 1966
4080s – 250 engine original equipment (p***) auto trans CALIF smog 1966
4085s – 230 engine original equipment (truck) manual trans CALIF smog 1966
4085s – 250 engine original equipment (truck) manual trans CALIF smog 1966
4086s – 230 engine original equipment (truck) auto trans CALIF smog 1966
4086s – 250 engine original equipment (truck) auto trans CALIF smog 1966
4145s – 194 engine original equipment (truck) manual trans 1965~1966
4145s – 230 engine original equipment (truck) manual trans 1965~1966
4202s – 250 engine (taxi) original equipment auto trans 1966
4203s – 250 engine (taxi) original equipment manual trans 1966
4278s – (export to India)
4339s – 194 engine aftermarket 1963~1967
4339s – 230 engine aftermarket 1963~1967
4339s – 250 engine aftermarket 1963~1967
4367s – 230 engine original equipment manual trans CALIF smog 1967
4367s – 250 engine original equipment manual trans CALIF smog 1967
4368s – 194 engine original equipment auto trans CALIF smog 1967
4368s – 230 engine original equipment auto trans CALIF smog 1967
4368s – 250 engine original equipment auto trans CALIF smog 1967
4369s – 230 engine original equipment (truck) manual trans CALIF smog 1967
4369s – 250 engine original equipment (truck) manual trans CALIF smog 1967
4370s – 230 engine original equipment (truck) auto trans CALIF smog 1967
4370s – 250 engine original equipment (truck) auto trans CALIF smog 1967
4371s – 230 engine original equipment (truck) manual trans CALIF smog 1967
4371s – 250 engine original equipment (truck) manual trans CALIF smog 1967
4371s – 292 engine original equipment (truck) manual trans CALIF smog 1967
4372s – 250 engine original equipment (truck) auto trans CALIF smog 1967
4373s – 153 engine aftermarket manual trans 1963~1967
4374s – 153 engine aftermarket auto trans 1963~1967
4375s – 230 engine original equipment (truck) manual trans 1967
4375s – 250 engine original equipment (truck) manual trans 1967
4376s – 230 engine original equipment (truck) auto trans 1967
4376s – 250 engine original equipment (truck) auto trans 1967
4377s – 250 engine original equipment (taxi) manual trans CALIF smog 1967
4378s – 250 engine original equipment (taxi) auto trans CALIF smog 1967
4387s – 194 engine original equipment (truck) manual trans CALIF smog 1967
4480s – 230 engine aftermarket (all Federal) 1963~1967
4480s – 250 engine aftermarket (all Federal) 1963~1967
4492s – 194 engine aftermarket 1962
6213s – number ***igned no production

Jon.

 

Thanks a bunch Jon! I picked up an Autoline monojet and installed it with very little modifications. The only problem I have now is getting the gas from spitting out of the carburetor while trying to start the engine. Any suggestions????


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