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What is the CIS fuel pump pressure for a '76 911?
Good morning,
What is the fuel pump pressure for a 1976 911 with CIS? The replacement pump can be set for 3.0 bar or 6.5 bar and I don't know which setting is correct.
The documentation I see online shows test pressures of mid 3's at high idle. Will the 3.0 be sufficient or do I need the 6.5 to deliver the full pressure?
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