ls1 not oiling
06-18-2011, 03:01 PM
#1
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ls1 not oiling Ok where should I start, I installed an ls1 in my caprice let it run about 5 minutes then it started to tap. I removed the valve covers and notice there is no oil coming out the pushrods on either side, I have around 33psi. Do I need pump or check pickup oring
06-18-2011, 06:32 PM
#2
Check the pick up o-ring. WHat have you donw to the motor since this happened?
06-19-2011, 10:33 AM
#6
I wouldn't change the pump just yet. My guess is the oil ring is pinched. Very common.
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06-19-2011, 12:56 PM
#8
True, but maybe not enough pressure to fully pressurize the entire system.. I don't know. But I would personally recheck the o-ring for a piece of mind. I am curious to see if this engine has had anything done to it since it was removed. Was this engine running and he upgraded parts and no oil to the rockers?
06-19-2011, 01:08 PM
#9
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Well i got the engine used from a guy that said it had 60,000 miles on it. What I did notice was the heads looked new inside and out. He didn't mention doing any work to it but someone did.
06-19-2011, 01:16 PM
#10
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When I first cranked the engine it ran great till the lifters started making noise. I shut it off pulled the covers and started it again and notice no oil coming from the push rods
06-19-2011, 03:27 PM
#11
It doesnt make sense if it is showing 33 psi that is plenty of oil pressure at an idle even when the engine is cold. If you visually did not see any oil up top as you stated, are you sure your gauge is a known good gauge and is accurate.
Last edited by lizeec; 06-19-2011 at 09:00 PM.
06-19-2011, 05:10 PM
#12
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Ok guys this is what I have so far. I removed the accessories and the bolt for the tube to the pump I removed with my hand it wasn't tight. I picked up a gasket set from the part store it had a green and a red o-ring and the one in the pump is blue and much smaller. This might be my problem.
06-20-2011, 03:57 PM
#14
Good luck. Let us know if you get it fixed. Hopefully this does it, and you didn't do any damage.
Jim
Jim
