engine oil pressure. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Aussie Ol' Blue · 01-10-2014, 04:32 PM

G'day. I have recently fitted a 402 bb. Its done a little over a thousand kilometres and was running sweetly. Coming home one night it starts making a light "tappety" noise. I check the oil pressure gauge and have no pressure, thats is I have no pressure under acceleration. At idle pressure reads about 40-50 psi. If I throttle on the pressure drops to zero. Whsn running right it was showing about 80 psi.. Does anyone have any suggestions as to whats goin on?

01-10-2014, 04:32 PM	#1
Aussie Ol' Blue Registered User Join Date: Sep 2013 Location: Sassafras. Victoria. The beautiful Mount Dandenong Ranges Posts: 234	engine oil pressure. G'day. I have recently fitted a 402 bb. Its done a little over a thousand kilometres and was running sweetly. Coming home one night it starts making a light "tappety" noise. I check the oil pressure gauge and have no pressure, thats is I have no pressure under acceleration. At idle pressure reads about 40-50 psi. If I throttle on the pressure drops to zero. Whsn running right it was showing about 80 psi.. Does anyone have any suggestions as to whats goin on?

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