Fuel Pressure
does anyone know what the stock fuel pressure is on an LS motor. i have an adjustable pressure regulator and need an idea of what to set it to. i'd like to bump up the fuel pressure a bit, whats a good setting if i only have intake and exhaust? also is there any cheap alternative to the B&M pressure gauge i can't justify spending $45 on a gauge like that. i hear that princess auto sells similar gauges for like $10 just gotta re-tap the treads to fit metric
TIA |
Stock fuel pressure slightly varies on each car, but roughly around 40-45psi with vacuum hose disconnected.
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which vacuum hose? the one attached to the regulator?
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Originally Posted by Buff4Prez Yo
which vacuum hose? the one attached to the regulator?
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GSR w/vacuum connected = 38 - 46psi
w/ vacuum disconnected = 47 - 55psi Civic B16a2 w/ vacuum connected = 30 - 37psi w/ vacuum disconnected = 40 - 47ps LS b18b1 w/ vacuum connected = 31 - 36psi w/ vacuum disconnected = 40 - 47psi CRV b20b w/ vacuum connected = 30 - 37psi w/ vacuum disconnected = 38 - 46psi CRV b20z w/ vacuum connected = 31 - 38psi w/ vacuum disconnected = 40 - 47psi |
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