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Notice over the past 2 months my oil pressure has been going lower and lower. Not for sure its the stock oil pressure guage is inaccurate or the motor is on the way out. I made a video on it. Any help would be appreciated!
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10psi per 1,000 RPM's is pretty much the norm
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Check the wire going to your pressure sender, I had mine break off at 6,000rpm, I about shit a brick.
Pulled over saw it was the wire, and did a quick ghetto fix, and smooshed my way over to Bruams for ice cream.
The gauge in the video looks to be normal oil pressure.
There could be a other problems too, such as the voltage regulator on your cluster starting to shit out or even the gauge itself, but I'd suspect the wire first if it ever drops back to zero.
320rwhp. 7.67 @ 90mph 1.7 60'
DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrqComment
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check it with a manual gageRing and pinion specialistComment
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It looks like he had one in the video.Originally posted by greenbullitt View Post
320rwhp. 7.67 @ 90mph 1.7 60'
DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrqComment
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der, looked right over the linkOriginally posted by 91CoupeMike View Post
that is low for that engine at idle. It may live there for a bit, but its not in good shape. You are likely on borrowed time. Its most likey a bearing issue, but I would recommend checking the block thoroughly if it comes outRing and pinion specialistComment
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Originally posted by 91CoupeMike View Post
I did notice a few weeks ago the wire was right against the header. The wire seemed fine didn't burn through.
One thing I did forgot to mention is when I rev the motor up to about 3k I get a vibration. More noticeable when driving. Could that be a bearing?Originally posted by greenbullitt View Postder, looked right over the link
that is low for that engine at idle. It may live there for a bit, but its not in good shape. You are likely on borrowed time. Its most likey a bearing issue, but I would recommend checking the block thoroughly if it comes out
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Harmonic balancer ?Originally posted by justin91lx View Post
320rwhp. 7.67 @ 90mph 1.7 60'
DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrqComment
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Haven't looked at that yet. A loose motor mount do that to? Sometimes when i back up in the drive way. Get kinda of a pop sound. Don't really hear it just feel it.Originally posted by 91CoupeMike View PostComment
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I'd bet money that your balancer is going bad.Comment
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What should I look for to see if its bad?
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If it's a stock balancer odds are it's junk, but look at the rubber, if it looks like it's coming out replace it with a good aftermarket one.Comment
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I've used one of these before for the street, worked good and was cheap.
Don't worry about what you can't change.
Do the best you can with what you have.
Be honest, even if it hurts.
"Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy; Its inherent virtue is the equal sharing of misery" ... Winston ChurchillComment
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In the past I've had more than one issue with the length of the oil pump drive shaft not being long enough to keep engagement with the bottom of the distributor. Having marginal
engagement it would stop turning the oil pump, then start again.Don't worry about what you can't change.
Do the best you can with what you have.
Be honest, even if it hurts.
"Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy; Its inherent virtue is the equal sharing of misery" ... Winston ChurchillComment
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