Walbro pressure adjustment?
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Walbro pressure adjustment?
How do we go about adjusting the fuel pressure on a Walbro GFS 392? It has a bypass valve on it and it runs around 22psi of fuel which is more than we would like to see. I've been told there are shims inside and I was wondering if anyone has a chart that shows what shims to use to run around 16-18 psi. Thanks in advance.
Ryan
Ryan
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