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02-24-2017, 08:48 AM
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#1 |
       
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FML if it's not one thing it's another
Well the past couple days I've noticed my oil pressure at idle has dropped alot. The engine has 1,800 miles on it.
Normally it would sit around 1.8 bar (26.46psi) with Brad Penn 10w 40 oil. I've changed the oil 5 times and cut open all filters. The first had normal break-in material second had a tinny amount then the last 3 have been Completely clean. Currently my oil pressure is sitting at 1.2 bar (17.64psi) when warm. My car on the original motor has never been below 1.6 bar. Now every oil change I use a Delco oil filter. Except the current oil change I'm on right now. Someone had placed the wrong filter in the Delco box so I used one of the shops (off the shelf) oil filters. The brand is "mighty". That shop I use to work at for 10 years and we always ran that filter with no problems but the cars are just normal daily drivers not performance. I'm hoping it's something with the oil filter holding back pressure. The engine doesn't over heat nor does it make any pecking or knocking sounds.
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MODS 6.0 forged iron block, TH400, B&M shifter, DSS axles & driveshaft, Viking / BMR suspension, Full custom fuel system with cell, Twin 76mm teriyaki tornados on 24lbs.
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02-24-2017, 08:52 AM
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SomeguyK
Drives: 2010 Black 2SS/RS Join Date: Nov 2014
Location: FL
Posts: 1,947
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General rule is 10psi for every 1k rpm. Always being higher when cold.
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TMS 427, Dart iron Block, Forged assembly, Frankenstien heads, AGP TT 62/62 BB turbo's, AGP/Fore triple fuel system, Tilton clutch, Holley 1 7/8 shorties, Technostalgia tail lights,Oracle, Aeroforce, MGW shifter,Flowmaster, Pegasus subframe bushings,BMR trailing & toe arms,Z28 UCA bushings,Zl1 rear sway bar,Prothane,BMR,Goodridge brake lines,Ridetech HQ coilovers,3.91,Trutrac,billet caps,DSS axles,HE offest,built TR6060,1LE diffuser,Havoc spoiler,SSclones,20in MRR 017, Pirelli P Zero, Nitto NT555RII
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02-24-2017, 10:28 AM
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#3 |
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It's never been this low.
__________________
MODS 6.0 forged iron block, TH400, B&M shifter, DSS axles & driveshaft, Viking / BMR suspension, Full custom fuel system with cell, Twin 76mm teriyaki tornados on 24lbs.
https://www.instagram.com/whoopa_ss/ |
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02-24-2017, 11:20 AM
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#4 |
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Tri-County Camaro SWFL
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My nearly stock LS3 sits at 22psi warm idle sometimes 19psi. If I do an Autocross event or hit the strip I've seen it idle at 17psi. I usually blip the throttle just a little and it will go back to 22psi and slowly fall to about 18psi. Not saying it's normal but I'm curious as well.
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02-24-2017, 11:36 AM
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#5 | |
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Quote:
__________________
MODS 6.0 forged iron block, TH400, B&M shifter, DSS axles & driveshaft, Viking / BMR suspension, Full custom fuel system with cell, Twin 76mm teriyaki tornados on 24lbs.
https://www.instagram.com/whoopa_ss/ |
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02-24-2017, 11:50 AM
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#6 |
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Drives: 1989 GTA Trans Am Join Date: Jun 2012
Location: Cypress, California
Posts: 610
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What is the oil pressure at say 1500rpm or cruising down the highway?
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02-24-2017, 01:27 PM
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#7 |
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Writer
Drives: 2010 SS / 1967 Camaro Join Date: May 2009
Location: Chicago, IL
Posts: 7,216
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I recall years ago with the 4th gen stuff someone noticed they had different/lower oil pressure with a different brand filter.
Certainly easy to swap it.
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PROJECT HEAVY CHEVY
Camaro Now: Mods for the Masses Part I | Part II 13.15@106 1.95 | 100% Stock 12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune 12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune 11.84@115 1.59 | + 3.91s + Race Star 17x7 Fronts 10.90@125 1.47 | + GPI VVT Cam + BW Ported Heads + CD 3800 |
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02-24-2017, 02:29 PM
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#8 |
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2015 Black 2SS/RS L99
Drives: 2015 2SS automatic Join Date: Jul 2016
Location: Western NC
Posts: 7
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If it isn't the filter, them checking the sensor and wiring is in order.
Not an uncommon issue in my 02 Z06 Corvette. |
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02-24-2017, 03:59 PM
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#9 | |
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Quote:
__________________
MODS 6.0 forged iron block, TH400, B&M shifter, DSS axles & driveshaft, Viking / BMR suspension, Full custom fuel system with cell, Twin 76mm teriyaki tornados on 24lbs.
https://www.instagram.com/whoopa_ss/ |
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02-24-2017, 04:43 PM
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#10 | |
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Tri-County Camaro SWFL
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Quote:
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02-24-2017, 08:15 PM
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#11 |
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Well I have brass in my filter. No silver but the engine toast I guess.
__________________
MODS 6.0 forged iron block, TH400, B&M shifter, DSS axles & driveshaft, Viking / BMR suspension, Full custom fuel system with cell, Twin 76mm teriyaki tornados on 24lbs.
https://www.instagram.com/whoopa_ss/ |
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02-24-2017, 08:54 PM
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#12 |
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Drives: 1989 GTA Trans Am Join Date: Jun 2012
Location: Cypress, California
Posts: 610
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That does appear to be a lot of brass.
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02-24-2017, 09:46 PM
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#13 |
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Resident nomad
Drives: 2014 Summit White 1SS/1LE Join Date: Nov 2015
Location: Gilbert, AZ
Posts: 1,765
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Didn't you just rebuild that motor??
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02-25-2017, 06:04 AM
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#14 |
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Yep
__________________
MODS 6.0 forged iron block, TH400, B&M shifter, DSS axles & driveshaft, Viking / BMR suspension, Full custom fuel system with cell, Twin 76mm teriyaki tornados on 24lbs.
https://www.instagram.com/whoopa_ss/ |
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