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05-06-2005, 03:59 PM
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#1
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Registered User
Member
Join Date: Jan 2005
Location: South NJ
Posts: 139
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Now I got rod knock
Hold your "I told you so" for later with the starter fixed I can now hear a slight knock (only I can barely hear but I also know the sound of my motor) so I took her out for a drive and about 2 miles down the road the oil pressure slowly drops to about 20 psi at 3000 rpms and so I turn around to head home. At idle the pressure hovers at about 10 psi. With the motor how driven around and hot I checked the oil and theres a little bit of metal shavings. I guess I never heard it before because of the rattling starter and because I haven't driven her around. So I'm going to pull the engine maybe this weekend or next and take a look. I wonder if I can get away with new bearings, I'll have to check the journals. The knock isn't loud though but it can be heard when the engine and oil is hot.
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Jake
1972 Oldsmobile 442
1985 Olds Cutlass Supreme (winter beater and first car)
1972 Olds Cutlass S (parts car)
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05-06-2005, 06:29 PM
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#2
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Retired
Senior Member
Join Date: Dec 2004
Location: Roseville
Posts: 2,385
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that sucks
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Ban low performance Drivers,
Not High Performance Cars
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05-06-2005, 07:56 PM
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#3
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Registered User
Supporting Member
Join Date: Dec 2004
Location: Warren
Posts: 3,517
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damn that sucks..well i wish u the best in gettin it back on the road soon.
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Jim
88 Camaro - 400sbc w/ TH350 Trans
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05-06-2005, 08:21 PM
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#4
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Retired
Senior Member
Join Date: Dec 2004
Location: Roseville
Posts: 2,385
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Make sure to take a good look at the flexplate, make sure its not cracked.
__________________
Ban low performance Drivers,
Not High Performance Cars
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05-07-2005, 06:35 PM
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#5
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Registered User
Member
Join Date: Apr 2005
Posts: 87
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My truck only has roughly 10 psi. at idle, 20 at 2000. Everyone that I ask says that's normal for a performance engine. 10psi for every 1000rpm. Who knows how true that is but I have zero knocks.
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05-08-2005, 04:01 PM
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#6
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Registered User
Supporting Member
Join Date: Dec 2004
Location: Warren
Posts: 3,517
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with 10psi per 1000 RPM you shouldn't have any problems. just make sure and go through EVERY little option before you start pulling your motor out..could be somthing very simple. does the knock get faster when the idle picks up?
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Jim
88 Camaro - 400sbc w/ TH350 Trans
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05-08-2005, 06:38 PM
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#7
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Registered User
Member
Join Date: Jan 2005
Location: South NJ
Posts: 139
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it goes with the idle and gets louder, theres metal shavings in the oil too, so no matter what I have to pull the motor
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Jake
1972 Oldsmobile 442
1985 Olds Cutlass Supreme (winter beater and first car)
1972 Olds Cutlass S (parts car)
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05-08-2005, 08:38 PM
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#8
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Drowning in trans fluid
Senior Member
Join Date: Jan 2005
Location: Northside=Bestside!
Posts: 7,596
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Car
Quote:
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Originally Posted by Psyco Diver 69
it goes with the idle and gets louder, theres metal shavings in the oil too, so no matter what I have to pull the motor
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That really blows. At least it gives you an excuse to pump up the powera a bit. Hope it all works out for you.
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