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    Author Topic: Oil pressure  (Read 1078 times)

    Offline Cuda_451

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    • Posts: 255
    Oil pressure
    « on: October 29, 2016 - 05:37:20 PM »
    Oil pressure start out good and has slowly been dropping from 40 to 25 to 15 and now 5 but as motor Roma increase the oil pressure will be at 40 at close to 5k Roma. Any idea?
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    1970 Plymouth Barracuda
    1995 Dodge RAM 1500 SLT
    2006 Ford Mustang V6 Supercharged


    Offline cudabob496

    • Sr. Resident
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    Re: Oil pressure
    « Reply #1 on: October 29, 2016 - 10:18:17 PM »
    what's Roma?
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    72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.

    1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"

    2011 Kawasaki Z1000

    Offline 734406pk

    • Andy
    • Sr. Member
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    • Posts: 1716
    Re: Oil pressure
    « Reply #2 on: October 29, 2016 - 10:30:47 PM »
    Engine rpm, typo or some text autofill bs. Double check these readings first with a mechanical oil pressure gauge, it could be gauge error...
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    1973 Challenger 440 6 pack auto 3.91 rear
    2012 Dodge Ram 3500 dually 6.7 Cummins Fleece EFI Live
    1973 Challenger 318 2bbl auto 2.73 rear 22.5 mpg RIP
    1970 Challenger TA 340 4bbl auto-Sold and sad
    1999 Dodge Ram 3500 dually 5.9 Cummins Fleece tuned VGT-sold
    1995 Kawasaki ZX1100E & still alive

    Offline Cuda_451

    • Jr. Member
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    • Posts: 255
    Re: Oil pressure
    « Reply #3 on: October 29, 2016 - 10:39:31 PM »
    I meant Rpms. And okay, I will. The gauge itself is pretty old so that maybe the problem.
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    1970 Plymouth Barracuda
    1995 Dodge RAM 1500 SLT
    2006 Ford Mustang V6 Supercharged

    Offline 734406pk

    • Andy
    • Sr. Member
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    • Posts: 1716
    Re: Oil pressure
    « Reply #4 on: October 30, 2016 - 12:28:47 AM »
    Quote from: Cuda_451 on October 29, 2016 - 10:39:31 PM
    I meant Rpms. And okay, I will. The gauge itself is pretty old so that maybe the problem.

     :thumbsup: Don't trust the factory dash gauge here for diagnostics, use a good mechanical gauge. Good Luck!
    Logged
    1973 Challenger 440 6 pack auto 3.91 rear
    2012 Dodge Ram 3500 dually 6.7 Cummins Fleece EFI Live
    1973 Challenger 318 2bbl auto 2.73 rear 22.5 mpg RIP
    1970 Challenger TA 340 4bbl auto-Sold and sad
    1999 Dodge Ram 3500 dually 5.9 Cummins Fleece tuned VGT-sold
    1995 Kawasaki ZX1100E & still alive

    Offline 1970 RT Challenger 1970

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    Re: Oil pressure
    « Reply #5 on: October 30, 2016 - 01:58:14 PM »
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    Offline dougs bs23

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    Re: Oil pressure
    « Reply #6 on: October 31, 2016 - 04:25:14 PM »
    Quote from: 1970 RT Challenger 1970 on October 30, 2016 - 01:58:14 PM
    It's a city in Italy.  :bigsmile:
    I thought it was a type of tomato
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    see Bill run  go Navy football///fly navy

    Offline moper

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    • Posts: 2368
    Re: Oil pressure
    « Reply #7 on: November 02, 2016 - 08:37:32 PM »
    You need 10psi per thousand rpm. I'm not sure if you're talking about idle oil pressure is 5 or what, but 5psi is low at idle, I like to have 15-20, and you need 50+ at 5K and if your engine revs higher you need more... If it was me I'd pull the engine and inspect.
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