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  • #1

    Aftermarket oil cooler question

    Good morning,

    I have an aftermarket oil cooler on my xs1100. I'd like to relocate it to a spot where it's less visible. It's currently located high on the front of the frame behind the front wheel. I'd like to lower it which would shorten the lines running to/from the oil filter housing. Does anyone think it would have an adverse affect on cooling ability to significantly shorten those lines?
    I could simply use some fittings or elbows to route the hoses in a less visible location, like tucked behind the frame, I'm wondering if the elbows would constrict flow though?

    It's the hoses that are bothering me more than the cooler itself... I'd like to clean up the look of the front of the bike, and keep the added cooling power.
    1979 SF
    Rehabilitating a Well Loved Classic
    Tags: None
  • #2
    It's not going to hurt anything wherever you mount it. Anywhere the little radiator catches some breeze, it'll do it's job, though more air equals more cooling. That being said, these motors really don't NEED the coolers, in my opinion, unless you live in the desert where it routinely gets over 100 degrees and you can't always count on your bike going down the road.. like lots of traffic.

    So, anywhere you mount the cooler... Anything that gets the oil away from the hot components for even a small amount of time will help. I also think that using steel braided lines helps cool the oil better than rubber lines... but that's just a theory of mine, not a proven fact.
    Try your hardest to be the kind of person your dog thinks you are.

    You can live to be 100, as long as you give up everything that would make you want to live to be 100!

    Current bikes:
    '06 Suzuki DR650
    *'82 XJ1100 with the 1179 kit. "Mad Maxim"
    '82 XJ1100 Completely stock fixer-upper
    '82 XJ1100 Bagger fixer-upper
    '82 XJ1100 Motor/frame and lots of boxes of parts
    '82 XJ1100 Parts bike
    '81 XS1100 Special
    '81 YZ250
    '80 XS850 Special
    '80 XR100
    *Crashed/Totalled, still own

    Comment

    • #3
      Originally posted by trbig View Post
      I also think that using steel braided lines helps cool the oil better than rubber lines... but that's just a theory of mine, not a proven fact.
      Well metal is a better conductor of heat so in theory it should, BUT the braided line is usually Teflon lined also.
      Nathan
      KD9ARL

      μολὼν λαβέ

      1978 XS1100E
      K&N Filter
      #45 pilot Jet, #137.5 Main Jet
      OEM Exhaust
      ATK Fork Brace
      LED Dash lights
      Ammeter, Oil Pressure, Oil Temp, and Volt Meters
      Green Monster Coils
      SS Brake Lines
      Vision 550 Auto Tensioner

      In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

      Theodore Roosevelt

      Comment

      • #4
        Leave the cooler alone and go ride!

        Zeston,

        There really isn't anywhere else to put the cooler if you want it to do anything useful. Yes, you really should add a couple of fittings to run the lines behind the frame and away from the exhaust headers, then up to the cooler. You can use rubber or braided-steel-covered lines and it'll look better and the lines won't pick up as much heat from the exhaust headers.

        If you put it lower on the frame in front of the engine it's more likely to get hit and taken out by almost anything you can possibly imagine while you're riding and spew ~4.5 quarts of insanely hot oil all over you and the bike. You can use shorter lines and it'll work great when you're moving but when you stop or slow down, the exhaust headers will add stupid amounts of heat to the oil through the 'cooler'. That is not generally something that you want to do unless you ride routinely at -40 degrees (Fahrenheit or Celsius) and then we'll all want to see pictures or, preferably, ride videos!

        If you mount the cooler to the outer side of the frame it can use shorter oil lines and it'll work great! It'll also stick out like a target. It can either get hit and taken out by almost anything you can possibly imagine while you're riding and spew ~4.5 quarts of insanely hot oil all over you and the bike, or you'll take it out yourself after you touch it a few times before you remember that hot metal looks just like cold metal.

        Just run the oil lines behind the frame!
        -- Scott
        _____
        ♬
        2004 ST1300A: No name... yet
        1982 XJ1100J: "Baby" SS Brakes, '850 FD, ACCT
        1980 XS1100G: "Columbo" SS Brakes, '850 FD, ACCT
        1979 XS1100SF: "Bush" W.I.P.
        1979 XS1100F: parts
        2018 Heritage Softail Classic 117 FLHCS SE: "Nanuk" It's DEAD, it's not just resting. It is an EX cycle.
        ♬

        Comment

        • #5
          Well as always great feedback thanks for the responses everyone!!
          1979 SF
          Rehabilitating a Well Loved Classic

          Comment

          • #6
            Originally posted by natemoen View Post
            Well metal is a better conductor of heat so in theory it should, BUT the braided line is usually Teflon lined also.

            Yeah, the ones I have are, but I know they'll sure burn your hands to touch the lines after riding, so it's transferring at least some of that heat.
            Try your hardest to be the kind of person your dog thinks you are.

            You can live to be 100, as long as you give up everything that would make you want to live to be 100!

            Current bikes:
            '06 Suzuki DR650
            *'82 XJ1100 with the 1179 kit. "Mad Maxim"
            '82 XJ1100 Completely stock fixer-upper
            '82 XJ1100 Bagger fixer-upper
            '82 XJ1100 Motor/frame and lots of boxes of parts
            '82 XJ1100 Parts bike
            '81 XS1100 Special
            '81 YZ250
            '80 XS850 Special
            '80 XR100
            *Crashed/Totalled, still own

            Comment

            • #7
              Originally posted by trbig View Post
              Yeah, the ones I have are, but I know they'll sure burn your hands to touch the lines after riding, so it's transferring at least some of that heat.
              But they are also right next to the header pipes....so what what is the heat from?
              Nathan
              KD9ARL

              μολὼν λαβέ

              1978 XS1100E
              K&N Filter
              #45 pilot Jet, #137.5 Main Jet
              OEM Exhaust
              ATK Fork Brace
              LED Dash lights
              Ammeter, Oil Pressure, Oil Temp, and Volt Meters
              Green Monster Coils
              SS Brake Lines
              Vision 550 Auto Tensioner

              In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

              Theodore Roosevelt

              Comment

              • #8
                Originally posted by natemoen View Post
                But they are also right next to the header pipes....so what what is the heat from?

                I have a different radiator now.. this one bashed my front fender into submission from wheelies.. but my lines are run out in front of the frame. They do get next to a pipe at the bottom, but for the most part, they're out in the open.. so I'd have to say the answer is.. Oil.






                They're held in place with clamps.



                Last edited by trbig; 07-20-2013, 07:36 PM.
                Try your hardest to be the kind of person your dog thinks you are.

                You can live to be 100, as long as you give up everything that would make you want to live to be 100!

                Current bikes:
                '06 Suzuki DR650
                *'82 XJ1100 with the 1179 kit. "Mad Maxim"
                '82 XJ1100 Completely stock fixer-upper
                '82 XJ1100 Bagger fixer-upper
                '82 XJ1100 Motor/frame and lots of boxes of parts
                '82 XJ1100 Parts bike
                '81 XS1100 Special
                '81 YZ250
                '80 XS850 Special
                '80 XR100
                *Crashed/Totalled, still own

                Comment

                • #9
                  Nice looking installation.
                  Skids (Sid Hansen)

                  Down to one 1978 E. Stock air box with K&N filter, 81H pipes and carbs, 8500 feet elevation.

                  Comment

                  • #10
                    Where did the clamps come from Tod?
                    Nathan
                    KD9ARL

                    μολὼν λαβέ

                    1978 XS1100E
                    K&N Filter
                    #45 pilot Jet, #137.5 Main Jet
                    OEM Exhaust
                    ATK Fork Brace
                    LED Dash lights
                    Ammeter, Oil Pressure, Oil Temp, and Volt Meters
                    Green Monster Coils
                    SS Brake Lines
                    Vision 550 Auto Tensioner

                    In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

                    Theodore Roosevelt

                    Comment

                    • #11
                      Originally posted by natemoen View Post
                      Where did the clamps come from Tod?
                      Had to ask, didn't ya? lol. They were saved in my favorites from another computer. I think I saved them... I'll look tomorrow. Found them listed on a site with a bunch of Harley farkles...
                      Try your hardest to be the kind of person your dog thinks you are.

                      You can live to be 100, as long as you give up everything that would make you want to live to be 100!

                      Current bikes:
                      '06 Suzuki DR650
                      *'82 XJ1100 with the 1179 kit. "Mad Maxim"
                      '82 XJ1100 Completely stock fixer-upper
                      '82 XJ1100 Bagger fixer-upper
                      '82 XJ1100 Motor/frame and lots of boxes of parts
                      '82 XJ1100 Parts bike
                      '81 XS1100 Special
                      '81 YZ250
                      '80 XS850 Special
                      '80 XR100
                      *Crashed/Totalled, still own

                      Comment

                      • #12
                        They aren't cheap if you buy 4 of them, but I've found that just two (One on each line) will work mounted somewhere in the middle between the attachment points to the adapter and the radiator.


                        http://www.westendmotorsports.com/ku...rs-p-1392.html
                        Try your hardest to be the kind of person your dog thinks you are.

                        You can live to be 100, as long as you give up everything that would make you want to live to be 100!

                        Current bikes:
                        '06 Suzuki DR650
                        *'82 XJ1100 with the 1179 kit. "Mad Maxim"
                        '82 XJ1100 Completely stock fixer-upper
                        '82 XJ1100 Bagger fixer-upper
                        '82 XJ1100 Motor/frame and lots of boxes of parts
                        '82 XJ1100 Parts bike
                        '81 XS1100 Special
                        '81 YZ250
                        '80 XS850 Special
                        '80 XR100
                        *Crashed/Totalled, still own

                        Comment

                        • #13
                          Thank you sir. Haven't put my cooler on yet.
                          Nathan
                          KD9ARL

                          μολὼν λαβέ

                          1978 XS1100E
                          K&N Filter
                          #45 pilot Jet, #137.5 Main Jet
                          OEM Exhaust
                          ATK Fork Brace
                          LED Dash lights
                          Ammeter, Oil Pressure, Oil Temp, and Volt Meters
                          Green Monster Coils
                          SS Brake Lines
                          Vision 550 Auto Tensioner

                          In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

                          Theodore Roosevelt

                          Comment

                          • #14
                            Nate- By the time you're done modding your bike, it may have to require Goldwing and (EFI Fuel Injection?) decals, lol.
                            1979 XS1100F
                            2H9 Mod, Truck-Lite LED Headlight, TECHNA-FIT S/S Brake Lines, Rear Air Shocks, TKAT Fork Brace, Dyna DC-I Coils, TC Fuse Block, Barnett HD Clutch Springs, Superbike Handlebars, V-Star 650 ACCT, NGK Irridium Plugs, OEM Exhaust. CNC-Cut 2nd Gear Dogs; Ported/Milled Head; Modded Airbox: 8x8 Wix Panel Filter; #137.5 Main Jet, Viper Yellow Paint, Michelin Pilot Activ F/R, Interstate AGM Battery, 14MM MC, Maier Fairing, Cree LED Fog Lights.

                            Comment

                            • #15
                              Originally posted by trbig View Post
                              They aren't cheap if you buy 4 of them, but I've found that just two (One on each line) will work mounted somewhere in the middle between the attachment points to the adapter and the radiator.


                              http://www.westendmotorsports.com/ku...rs-p-1392.html
                              ¿Where'd you get the lines?
                              JCarltonRiggs

                              81XS1100SH; WorkingMotorcycle,Not For Show,DeletedFairing,SportsterHL,
                              7½ gal. Kaw Concours gastank,1972 Wixom Bros. bags

                              79XS1100F; ?Parts?, or to Restore?

                              Comment

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