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Okay to run two different sized jets?


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Jetting is dependant on engine size, condition, altitude, and a variety of other metrics including how it's going to be used. There is no "wrong" way to jet a carb unless it doesn't do what you wanted it to do. Jets of differing sizes must often be used because the size of each barrel of a progressive carb is often different. In the case of the common Weber DGV series the primary is 32mm and the secondary is 36mm in diameter.

 

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