Thread: What kind of 2bbl carb is this and what size jets should it have. Runs lean?

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Hi guys. I have a 2 BBL carb on my SBC 350. It says GM Made in USA, BC. My passengers side seems to be running lean. My plugs are white on the tips and my passengers side exhaust manifold is pretty white in color compared to my drivers side which is the usual brown. The car runs good but I think it is too lean and was wondering if I richen the idle mixture screws will that richen it enough or do I need to change the jets on it? If so what jets should it have stock and what jet size should I get for it? Where can I buy jets for it?

Thanks.