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the required fuel pressure for the 2.8 litre is 34-47 psi
The fuel tank holds 21 US Gallons.
200
275 with the V8
should be about 42-45 psi at idle, will change with vac line to fuel pressure solenoid disconnected
what year firebird?
200HP
160 hp
285 bhp
what kind of sending unit is it? fuel?,oil pressure?
I would expect to see more than 30 psi.
a 94 gets 195hp so