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    #1

    Sounds WORSE after Lucas Oil

    So call me crazy, but the last oil change, I put Lucas in the Oil; 4 Quarts Oil and 1 Qt Lucas. I swear the engine sounds more rough than it did before I put the Lucas in. Is this possible? I thought it was suppsoed to, if anything quiet it down. It sounds like a knock, but I checked it off as the 302 Lopo knock, but after the Lucas, it sounds worse.

    Engine has 68K on it, 87 GM, no mods except the smog pump is removed.

    Any ideas?

    I will try to get a sound clip tonight.
    Tags: None
    #2
    my 86 lopo makes the same noise. i put 20w50 to slow a rear main seal leak but after i put it in the engine sounded like crap. it sounds like on mine its eaither a rocker or lifter noise. i drained it and put 10w40 in and it made no such noise.
    1984 mercury grand marquis ls rebuilt 306 flat top pistons with factory cfi and lincoln headers with single glasspack dual snorkle air cleaner. Gloss black paint with slick top coversion.
    1986 mercury grand marquis colony park 5.0 sefi dual exhuast thrush turbos with h pipe and turbines

    Comment

      #3
      Originally posted by rsolis View Post
      So call me crazy, but the last oil change, I put Lucas in the Oil; 4 Quarts Oil and 1 Qt Lucas. I swear the engine sounds more rough than it did before I put the Lucas in. Is this possible? I thought it was suppsoed to, if anything quiet it down. It sounds like a knock, but I checked it off as the 302 Lopo knock, but after the Lucas, it sounds worse.

      Engine has 68K on it, 87 GM, no mods except the smog pump is removed.

      Any ideas?

      I will try to get a sound clip tonight.
      Is it consistant with engine RPM?

      Comment

        #4
        Originally posted by rsolis View Post
        So call me crazy, but the last oil change, I put Lucas in the Oil; 4 Quarts Oil and 1 Qt Lucas. I swear the engine sounds more rough than it did before I put the Lucas in. Is this possible? I thought it was suppsoed to, if anything quiet it down. It sounds like a knock, but I checked it off as the 302 Lopo knock, but after the Lucas, it sounds worse.

        Engine has 68K on it, 87 GM, no mods except the smog pump is removed.

        Any ideas?

        I will try to get a sound clip tonight.


        Is it top or bottom end noise?
        sigpic


        - 1990 Ford LTD Crown Victoria P72 - the street boat - 5.0 liter EFI - Ported HO intake/TB, 90 TC shroud/overflow, Aero airbox/zip tube, Cobra camshaft, 19lb injectors, dual exhaust w/ Magnaflows, Cat/Smog & AC delete, 3G alternator, MOOG chassis parts & KYB cop shocks, 215/70r/15s on 95-97 Merc rims

        - 2007 Ford Escape XLT - soccer mom lifted station wagon - 3.0 Duratec, auto, rear converter delete w/ Magnaflow dual exhaust

        - 2008 Mercury Grand Marquis Ultimate Edition - Daily driver - 4.6 2 valve Mod motor, 4R75E, 2.73s. Bone stock

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          #5
          just because its thick, doesn't mean it isn't snake oil, just made with thicker snakes.
          You know the car runs well when the only things left to work on are the rear door cigarette lighters.

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            #6
            when i had the 20w50 it only made the top end noise during warm up. mine sounded like a bunch of clicking noises. the 10w40 solved it all.
            1984 mercury grand marquis ls rebuilt 306 flat top pistons with factory cfi and lincoln headers with single glasspack dual snorkle air cleaner. Gloss black paint with slick top coversion.
            1986 mercury grand marquis colony park 5.0 sefi dual exhuast thrush turbos with h pipe and turbines

            Comment

              #7
              At 68k, you shouldn't need magic potions, and the motor should not be knocking. Put just regular 10w30 in it with a fresh filter and see if the noises go away. If they do, just keep using straight up oil. Magic potions and thick oil are for when the motor is already dying.
              86 Lincoln Town Car (Galactica).
              5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

              91 Lincoln Mark VII LSC grandpa spec white and cranberry

              1984 Lincoln Continental TurboDiesel - rolls coal

              Originally posted by phayzer5
              I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

              Everything looks like voodoo if you don't understand how it works

              Comment

                #8
                Exactly. I've got 177,000 miles on mine, the only thing that goes in the crankcase is oil. 5w30 in the winter, 10w30 in the summer.

                Alex.

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                  #9
                  Yeap.. my motor has about 145,000 on it and I just use Valvoline 10W40 and a Motorcraft Filter nutin fancy when I first got it I put a can of Restore in it and I think it was last year I put some HyperLube thick shit in it and it ran fine but otherwise she just gets straight oil

                  Comment

                    #10
                    Lucas isn't snake oil, if you live in hot climates or regularly abuse your car for extended periods of time than Lucas is just what the doctor ordered....however there is no magical oil that will fix worn out parts. Just because there is low mileage on an engine doesn't mean that it can be severely worn....sitting for extended periods or just driven on short trips around town is murder on an engine.

                    Good luck,
                    Don
                    '85 CV coupe- 351W, T5-Z, FAST Ez-Efi, shorty headers, 2.5" duals with knock off flowmasters, 2.5" Impala tails, seriously worked GT-40 irons, Comp 265DEH cam, 1.7rr's, Mallory HyFire 6A, Taylor ThunderVolt 50 10.4mm wires, 75mm t/b, 3G alt swap, 140mph PI speedo, PI rear sway bar, '00 PI booster/MC, 95-97 front spindles, '99 front hub bearings/brakes, '92-'94 front upper control arms/ball-joints, 3.73's with rebuilt traction-lok, '09 PI rear disc swap, '96 Mustang GT wheels with 235/55R17's.

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                      #11
                      My mom's CV says 88k miles, but it's probably more like 188k. I switched over to synthetic 10W-30W and the lopo/bearing knock is a little more pronounced now. I'm not worried though. We don't really abuse the car, so it should last until I save up the clams for an engine swap.




                      Packman

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                        #12
                        Seafoamed it, Chevron Techron fuel injector cleaner and a clean oil change. It did absolutely wonders to the car. Amazing

                        Comment

                          #13
                          Originally posted by rsolis View Post
                          Seafoamed it, Chevron Techron fuel injector cleaner and a clean oil change. It did absolutely wonders to the car. Amazing
                          Seafoam just in the tank or also the oil?


                          "Hope and dignity are two things NO ONE can take away from you - you have to relinquish them on your own" Miamibob

                          "NEVER trade your passion for glory"!! Sal "the Bard" (Dear Old Dad!)

                          "Cars are for driving - PERIOD! I DON'T TEXT, TWEET OR TWERK!!!!"

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                            #14
                            Through Brake Booster Line. The Chevron Techron went through the tank

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                              #15
                              I'm over 320k with no knocking. Ya'll are doing it wrong.
                              1989 Grand Marquis LS
                              flat black, 650 double pumper, random cam, hei, stealth intake, Police front springs, Wagon rear, Police rear bar, wagon front ,exploder wheels, 205/60-15 fronts 275/60-15 rears, 1 5/8" headers, 2.5" offroad x pipe, Eclipse front bucket seats, Custom floor shifter, 4.10 gears, aluminum driveshaft and daily driven. 16.77@83mph

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