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230 6cyl 1 barrel carb modification to richen mixture

2K views 1 reply 2 participants last post by  Tom 
#1 ·
I recently installed tube headers on my 63 chev 230CID 6 cylinder 4x4 K20 pick up and the engine is running way too lean. Are there any tips out there how to modifiy this GM "B" one barrel carb?
Can I change to a larger main jet, modify the power valve,change the float setting or just swap the carb? Thanks for the info Dick
 
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