Well slim if it is a orginal carb. from GM it had a tag on one of the top carb. screws. What brand is the carb Rodchester,Carter etc. You will have numbers on the carb that look like this
Foot Note Idle speed for the M/T trans.450 to 500 RPM AT Trans 425 to 500 RPM
#7024000,001
7023004.005
702000,003,005,106,107
7013000,003,005,955,956
70119000
7011102,70212127,129,502
7009656,657,784,
7011656,657
This carb was used on 1957 to 1967 engines 230,235,250 cu. engines
Soarce Rochester Carburetors
1 Barrel-- Models B,BC,BV
Hope this helps some.
62Blue
Don
Last edited by Don G.; 10/07/2008 6:43 AM.