Help needed with sb 318

Small Block Mopar Engine

  1. krazykuda

    krazykuda Well-Known Member FABO Gold Member How-To Section Editor

    Messages:
    52,793
    Likes Received:
    17774
    Joined:
    Aug 20, 2007
    Location:
    Orland Park, IL
    Local Time:
    9:26 PM

    For your application, you could go with either the car or truck oil pan as you don't have a k-frame in the front to get in the way of the "hump" in the pan... Maybe try a car oil pan and see what happens....

    hm oil pan.jpg

    This looks off to me... That is the 67 - 69 alternator mounting bracket, but it is not mounted "properly"... I can't tell which water pump you have in the picture to see what's going on there... Could you post some pictures of the water pump from different angles so we can see what you have and maybe offer suggestions on maybe improving it... I don't like that there is only one bolt for the bracket and the other bolt holds the alternator... The original mounting for that bracket had 3 mounting points/bolts that would make it more stable if you have the proper water pump for it... Maybe we can make it more stable by seeing what you have and try to get the mounting more stable...

    hm engine front.jpg

    hm engine front B.jpg
     
    • Agree Agree x 1
    • H Monster

      H Monster Active Member

      Messages:
      37
      Likes Received:
      40
      Joined:
      Jul 12, 2019
      Location:
      Missouri
      Local Time:
      9:26 PM
      Beginning to sound like dropping the oil pan is going to be the only way to solve this mystery. Easy enough to do, it is just hanging out under there......and I already have a gasket kit.
       
      • Agree Agree x 3
      • Tooljunkie

        Tooljunkie King of cobble/master of the broken bolt FABO Gold Member

        Messages:
        14,529
        Likes Received:
        13577
        Joined:
        Jul 22, 2017
        Location:
        Manitoba
        Local Time:
        9:26 PM
        From where the stick bottoms on the tube to the tip is 28-3/4” on my 1980 power wagon with a rear sump. I can hear it in the pan as it runs through a channel.
        My other truck pan is bolted to the engine, would take some doing to get a look inside.
        Also, the tip is straight,not bent like a ski.
        Has a twist of 90 degrees one inch from the end.
        Hope this helps.
         
        • Agree Agree x 2
        • Garrett Ellison

          Garrett Ellison Amateur driver on public roadway, do not imitate.. FABO Gold Member

          Messages:
          2,688
          Likes Received:
          2109
          Joined:
          Jan 1, 2018
          Location:
          Southwest VA
          Local Time:
          10:26 PM
          1983 D250-D350 would work for the major mechanical and minor tune-up/maintenance. The best bet on rebuilding the carburetor if it has to be done would probably be the numbers off the carburetor. I would imagine it being a 1973 model it would have electronic ignition, but if it’s points, 1971 back will work for that. There is one ballast resistor for points and a separate two terminal 1972 electronic ignition and then a four terminal ballast resistor for 1973 on.
           
          Last edited: Jul 15, 2019
        • H Monster

          H Monster Active Member

          Messages:
          37
          Likes Received:
          40
          Joined:
          Jul 12, 2019
          Location:
          Missouri
          Local Time:
          9:26 PM
          Grabbed some pictures, but won't have time to post em up until later today.

          Convinced I'm in the right place for help!
           
          • Agree Agree x 1
          • Bobzilla

            Bobzilla Well-Known Member

            Messages:
            744
            Likes Received:
            551
            Joined:
            Aug 10, 2017
            Location:
            Livonia, Michigan
            Local Time:
            10:26 PM
            Correct about the tube mounting positions are same in the block. But there are different tube lengths depending on the body type and accessories used, and many different dipstick lengths for the different tubes as well as different pans.
            For example, the longest dipstick and tube combinations were either B-vans, or maybe a motorhome chassis.
            The replacement dipstick part number is an aftermarket Spectre, or something like that. Parts stores have the same crappy listings for universal fitment. Go to a junk yard and find a truck or full size B-van and you'll find a dipstick long enough.
             
            • Agree Agree x 1
            • krazykuda

              krazykuda Well-Known Member FABO Gold Member How-To Section Editor

              Messages:
              52,793
              Likes Received:
              17774
              Joined:
              Aug 20, 2007
              Location:
              Orland Park, IL
              Local Time:
              9:26 PM
              • Like Like x 1
              • Bobzilla

                Bobzilla Well-Known Member

                Messages:
                744
                Likes Received:
                551
                Joined:
                Aug 10, 2017
                Location:
                Livonia, Michigan
                Local Time:
                10:26 PM
                I have used that one. It will be too short. It's modeled after the shorter tube and the shorter dipstick tube from the cars with shallow center sump oil pans.
                 
                • Like Like x 1
                • Tooljunkie

                  Tooljunkie King of cobble/master of the broken bolt FABO Gold Member

                  Messages:
                  14,529
                  Likes Received:
                  13577
                  Joined:
                  Jul 22, 2017
                  Location:
                  Manitoba
                  Local Time:
                  9:26 PM
                  Jeez, i posted the correct length..gotta stop overthinking this.
                   
                  • Agree Agree x 2
                  • Slantsix64

                    Slantsix64 Well-Known Member

                    Messages:
                    2,437
                    Likes Received:
                    913
                    Joined:
                    May 11, 2014
                    Location:
                    SGV
                    Local Time:
                    9:26 PM
                    You got it man, I think having the tools is half the battle!
                     
                    • Agree Agree x 1
                    • oldskool979

                      oldskool979 Well-Known Member

                      Messages:
                      93
                      Likes Received:
                      71
                      Joined:
                      Sep 15, 2017
                      Location:
                      Cumming,GA
                      Local Time:
                      10:26 PM
                      Just ckd the dipstick on my 318 rear sump truck. Dipstick tube has 13" above entry point on block. Dipstick is 34 1/2" seated. Full mark is 2 3/4" off tip. Add mark is 1 3/4" off tip. Hope it helps.
                       
                      • Like Like x 2
                      • TrailBeast

                        TrailBeast AKA Mopars4us on Youtube

                        Messages:
                        21,329
                        Likes Received:
                        8843
                        Joined:
                        Mar 11, 2011
                        Location:
                        Arizona
                        Local Time:
                        7:26 PM
                        You have plenty of opinions already, so I'll stay out of those parts of the conversation.
                        It was/is common to bend the tip of an oil or trans fluid stick to get it to go past places like the crimp on the end of the tubes. (like you apparently found out):D

                        BTW, some van, truck and RV dip sticks were long as hell.
                         
                        • Agree Agree x 1
                        • sireland67

                          sireland67 Well-Known Member

                          Messages:
                          8,988
                          Likes Received:
                          3151
                          Joined:
                          Oct 27, 2010
                          Location:
                          WV
                          Local Time:
                          10:26 PM
                          Also on trucks, with the short oil filter it takes 5.5 qts.
                          Long filter will hold 6 qts.

                          All the replacement dipsticks I have found are for cars.

                          Go to the junkyard and buy a dipstick from a truck or van, measure how long the tube is that you are removing the dipstick is from.
                           
                        • H Monster

                          H Monster Active Member

                          Messages:
                          37
                          Likes Received:
                          40
                          Joined:
                          Jul 12, 2019
                          Location:
                          Missouri
                          Local Time:
                          9:26 PM
                          Sounds like the dip stick I need is longer. Have two junk yards nearby (never had any luck finding stuff in them), plus one about 50 miles away that my neighbor goes to when he wants a Mopar core engine to play with. I can give him a call to see what he might have. I hear he is a hillbilly type who knows his stuff and is eager to please. That would be refreshing.

                          On the water pump, I noticed it too was weeping along the gasket, so probably needs to come off at some point anyway. This is the pump number (upside down), and what photos I could get. Turns out water pumps are hard to photograph and not very glamorous when you do. IMG_0748.jpg IMG_0750.jpg IMG_0752.jpg IMG_0758.jpg
                           
                        • H Monster

                          H Monster Active Member

                          Messages:
                          37
                          Likes Received:
                          40
                          Joined:
                          Jul 12, 2019
                          Location:
                          Missouri
                          Local Time:
                          9:26 PM
                          And another view from the front......
                          IMG_0755.jpg
                           
                        • pishta

                          pishta I know I'm right....

                          Messages:
                          17,277
                          Likes Received:
                          6899
                          Joined:
                          Oct 13, 2004
                          Location:
                          Tustin, CA
                          Local Time:
                          7:26 PM
                          Pull the pan and find out where the oil pump foot is. If its almost sitting on the bottom (1/4 inch) just fill it with 5 qts, find a long dipstick and trim to register full at 5 qts. I doubt your going to starve that beast running 2500 RPM all day. I bought an 86 D250 360 LA 4bbl and it had a huge alternator, a little like that one but I think the mount was different.
                           
                        • H Monster

                          H Monster Active Member

                          Messages:
                          37
                          Likes Received:
                          40
                          Joined:
                          Jul 12, 2019
                          Location:
                          Missouri
                          Local Time:
                          9:26 PM
                          OK, other than the alternator bracket, which still needs to be resolved, I think you have set me on the right path regarding the core plugs and dip stick.

                          Next question. I'm needing to replace all the gauges, none of which are working. Found an affordable 0-4000 rpm tach, which for this purpose, has an hour meter on it vs. mileage meter. But need the other gauges too. Any recommendations for an affordable, economic set? Since the run is at least 15 feet from engine to cockpit, thinking electrical units. Looked at Ultra Lite from Autometer, but they are a bit pricey for this use. Should that be 100 psi for the oil pressure?

                          And what engine oil? Thinking 10w-30 or 10w-40?
                           
                          Last edited: Jul 16, 2019
                        • H Monster

                          H Monster Active Member

                          Messages:
                          37
                          Likes Received:
                          40
                          Joined:
                          Jul 12, 2019
                          Location:
                          Missouri
                          Local Time:
                          9:26 PM
                          BTW, on the alternator.......pretty certain that is not the original. Other than headlights, of which it has 7 under normal night time operations, there is very little electrical load, except there could be times when unloading when the engine is asked to run at fast idle for 30 minutes or more with full headlights on. That might put a big drain on the battery, ergo the big alternator. Original build included a stand alone voltage regulator, but that is now completely bypassed.

                          As mounted, I noticed the alternator does bounce a bit, and fan looks kinda loose and floppy. So will need to get that resolved too.
                           
                        • Krooser

                          Krooser Reform School Graduate

                          Messages:
                          2,325
                          Likes Received:
                          1854
                          Joined:
                          Jul 19, 2015
                          Location:
                          Central Wisconsin
                          Local Time:
                          9:26 PM
                          Drain the oil, pour in five quarts and mark the dipstick to where the oil level is... bingo. You're done.
                           
                          • Like Like x 1
                          • Krooser

                            Krooser Reform School Graduate

                            Messages:
                            2,325
                            Likes Received:
                            1854
                            Joined:
                            Jul 19, 2015
                            Location:
                            Central Wisconsin
                            Local Time:
                            9:26 PM
                            The alt bracket is real barnyard engineering... why fix it if it ain't broke?
                             
                          • H Monster

                            H Monster Active Member

                            Messages:
                            37
                            Likes Received:
                            40
                            Joined:
                            Jul 12, 2019
                            Location:
                            Missouri
                            Local Time:
                            9:26 PM
                            Update......managed to find the correct dip stick, inserted it in the tube and found oil!!
                            hm dip full.jpg

                            A bit overfull actually. Does that look like it would be high enough to do damage?

                            hm dipsticks.jpg

                            Didn't measure the replacement stick, but assume it is the 34 inch one.
                            Replacement tube that came with the new stick was the same as the original one in it.....same length and bend, but was different that the tube supplied with the after market stick that didn't fit....the one in the middle above.

                            Correct stick (technically it is called engine oil level indicator) has a 90 degree bend in the tip (vs the bent ski tip) and slipped in with no issues and no modifications.

                            hm dip tip.jpg

                            Also, have ordered a set of entry level Auto Meter gauges, and will be replacing the water temp and engine oil sending units to get them working. New wiring harness will be run tomorrow.

                            Thanks for the help!!!
                             
                          • Tooljunkie

                            Tooljunkie King of cobble/master of the broken bolt FABO Gold Member

                            Messages:
                            14,529
                            Likes Received:
                            13577
                            Joined:
                            Jul 22, 2017
                            Location:
                            Manitoba
                            Local Time:
                            9:26 PM
                            Least mess, spin filter off and drain it. That will take almost a quart if you let it drain for an hour.
                             
                          • H Monster

                            H Monster Active Member

                            Messages:
                            37
                            Likes Received:
                            40
                            Joined:
                            Jul 12, 2019
                            Location:
                            Missouri
                            Local Time:
                            9:26 PM
                            Revival of this thread from last summer.

                            An update.......since this thread went dormant, we did a bit more work. Basically installed a new wiring harness for the ignition circuit......installed all new autometer gauges.......replaced most of the fluids.....and took it to the field. Got to use it long enough to find out it was working pretty well. Still need to rewire all the lights, etc, but a new situation has popped up.

                            If she has been running, she will generally always start right up and run at idle OK. But if you rev the engine, she will stall and and if you don't take your foot off the gas, will die. She will cruise down the road.....but with any load.....like climbing up a hill.....at lower rpm....say 1,500 to 1,800.....she stalls and coughs.....But if the engine is cooking along at 2,500+ rpm's, she will pull the load.

                            We are thinking tuneup. Timing, vacuum lines, etc.

                            If a person had to guess......what plugs, points and condenser would you be shopping for? Seems to be an 83' block, with original 70's era carb and ignition components. Will have to go to parts store armed with some numbers......as there won't be any computer reference for this thing. No VIN#, etc. No known model. You could pull what it has now and match those, but no way of knowing if they are the right thing for this particular engine.

                            Found a guy to do the wrenching, but he has asked me to find some specs for him. Timing.....dwell, etc. Parts numbers, etc.
                             
                          • Tooljunkie

                            Tooljunkie King of cobble/master of the broken bolt FABO Gold Member

                            Messages:
                            14,529
                            Likes Received:
                            13577
                            Joined:
                            Jul 22, 2017
                            Location:
                            Manitoba
                            Local Time:
                            9:26 PM
                            That’s a loaded question, pull a plug and buy matching ones. Timing is dependant on many things, egr,2/4bbl and distributor model, or year of it. There are just too many variables.

                            if your mechanic buddy is knowledgeable, let him assess it before you waste a bunch of money on parts. Numbers off carb, it sounds like you need a kit.
                             
                            • Like Like x 1
                            • Agree Agree x 1
                            • jazak5

                              jazak5 Well-Known Member

                              Messages:
                              872
                              Likes Received:
                              373
                              Joined:
                              Aug 6, 2015
                              Location:
                              NY
                              Local Time:
                              10:26 PM
                              no one would care if it was HEMI powered !! like a lot of industrial stuff was....:poke:
                               
                              • Like Like x 2
                              1. This site uses cookies to help personalize content, tailor your experience and to keep you logged in if you register.
                                By continuing to use this site, you are consenting to our use of cookies.