307 is an engine displacement size (general motors) and not a make model or year but more then likely it is a 3/8 Allen
use a can of carburater cleaner
Pee on it!
307 c.i.
5.0L 307
maruthi 800 carburater settings
60cc
The float determines how much gas goes through the carb.
250, 307, 350, 396/402, 454 CID.
what size engine is it i have the same car,ive did it , but the air filter is in different places for different size engines, i have 1.6
307, 350, 402 V8's and a 235 6 cyl.
If you have a carburetor on a 98 subaru, I'd like to see it.