S50 fan situation

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  • CincinnatiKid
    Mod Crazy
    • Nov 2007
    • 716

    #1

    S50 fan situation

    So I'm in a unique situation here and am looking for some options. I bought a turn-key S50 swap, the clutch fan went out, so I bought the spal kit to swap in. Got into it today, pulled the clutch fan/radiator and tried to install the spal fan, but it won't fit, not enough clearance for the fan to fit. I don't want to remove the aux fan as I still have and use the a/c radiator and the stock aux mounts aren't easily adaptable as far as I can tell. It's a fairly new M20 radiator and is in good condition, there's about 1.5-1.75" clearance between the radiator and the nub that replaces clutch fan threads. So I'm asking you guys what other options I have?
    1990 S50 goodness.
  • 87e30
    R3V Elite
    • Jul 2008
    • 5676

    #2
    Not familiar with the spal but I don't see why you can't just get another m20 clutch fan and throw that in...?
    Originally posted by z31maniac
    I just hate everyone.

    No need for discretion.

    Comment

    • kalib0y
      No R3VLimiter
      • Dec 2004
      • 3620

      #3
      I use a 16in 3800cfm pusher with a 10in 1200cfm puller and I am still running AC on my s50 set up

      Most people on here just use the low profile 1" tall spal fan and say it works fine for them.
      95 7.1L 16V E36 M3
      Motorsport Hardware ***Wheel studs and Spacers!!!--->FOR SALE 4/5 Lug Stud Conversion Kits available CLICK HERE
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      • kermugit
        Member
        • Oct 2010
        • 88

        #4
        Okay, So I hear everybody running their spal 16"x 2.05 low pro fan and other combos for their swap. Well I wanted a/c so I can tell you that having a 14" pusher (2200cfm) and a 16" spal puller will not hold up if you get stuck in gridlock on a hot day with your A/C on. electric fans are good if you are not running a/c on your ride. If you are like me and drive your car 500+ miles in a week I can tell you that electric fans on this swap while running a/c will not work well. I want to put his to rest and tell you if you want a/c dont waste your time running electric puller. I fit the mechanical fan back in and have had the best results running my a/c in grid lock (45 mins) in 100+ days. some moding will have to be done to the top lip of the rad, but it is not a big price to pay for cooling your car and running your a/c. I no longer worry about watching my temps climb in traffic. Hope this helps. Nothing beats a mechanical fan in this setup. I drive this car 200 miles round trip twice a week, so I made sure it was able to handle some milage. P.S. I did have to mod the electric pusher fan in front of the condensor, but if you can do your swap this is the easy part.
        Attached Files
        Many soldiers go unknown.... You will never be forgotten SSG. Matt Mauphin, SPC. Juan S. Restrepo and all past and to come

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        • bimmerteck
          Mod Crazy
          • Mar 2009
          • 762

          #5
          Originally posted by kermugit
          Okay, So I hear everybody running their spal 16"x 2.05 low pro fan and other combos for their swap. Well I wanted a/c so I can tell you that having a 14" pusher (2200cfm) and a 16" spal puller will not hold up if you get stuck in gridlock on a hot day with your A/C on. electric fans are good if you are not running a/c on your ride. If you are like me and drive your car 500+ miles in a week I can tell you that electric fans on this swap while running a/c will not work well. I want to put his to rest and tell you if you want a/c dont waste your time running electric puller. I fit the mechanical fan back in and have had the best results running my a/c in grid lock (45 mins) in 100+ days. some moding will have to be done to the top lip of the rad, but it is not a big price to pay for cooling your car and running your a/c. I no longer worry about watching my temps climb in traffic. Hope this helps. Nothing beats a mechanical fan in this setup. I drive this car 200 miles round trip twice a week, so I made sure it was able to handle some milage. P.S. I did have to mod the electric pusher fan in front of the condensor, but if you can do your swap this is the easy part.

          What Thermostat/switch combo were you running? What temps were you seeing the coolant get up to while in traffic? Are you sure your water pump/thermostat is operating properly?

          Comment

          • dude8383
            Forum Sponsor
            • Jan 2005
            • 10387

            #6
            Originally posted by kermugit
            I fit the mechanical fan back in and have had the best results running my a/c in grid lock (45 mins) in 100+ days.
            Which clutch fan did you use?
            IG: deniso_nsi Leave me feedback here

            Comment

            • phreshkid
              R3V Elite
              • May 2009
              • 4655

              #7
              I wish there was a clutch fan that could be used for the 318is radiators with the built in expansion tank.
              world renown Harry Potter expert
              sigpic

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              • Matt-B
                The Waffler
                • Jun 2009
                • 3856

                #8
                Originally posted by phreshkid
                I wish there was a clutch fan that could be used for the 318is radiators with the built in expansion tank.
                i used a 16" puller on my m42 radiator, no issue


                Please leave feedback below, thanks

                http://www.r3vlimited.com/board/showthread.php?t=358170

                Comment

                • phreshkid
                  R3V Elite
                  • May 2009
                  • 4655

                  #9
                  Originally posted by Matt-B
                  i used a 16" puller on my m42 radiator, no issue

                  Are you by chance running a/c as well?
                  world renown Harry Potter expert
                  sigpic

                  Comment

                  • kermugit
                    Member
                    • Oct 2010
                    • 88

                    #10
                    This is what I always see, other people saying " gee what temp you use, is your shit running right" Yes, I had a new pump and 80 c thermo! Dont worry about me I have had my shit looked over. So Im not pulling shit out of my ass. I can tell you this happens more often than people are willing to say. Are you running a/c? If so chime in if not kick rocks. 95% of the swaped e30 dont run a/c. I was trying to use the m42, but the amount of room in my opinion it was a no go. I did use my m20 clutch and fan with 88+ m20 rad. I had to trim the top lip alittle with a cutting wheel so I can sleep at night. This has been optional with other swaps I have seen in person. I drive my can 100 miles to L.A. than get stuck in hard L.A traffic around 3:30 to 4:45ish and then an extra 20 miles. So I can tell you what happans with your a/c blasting and traffic not moving. I tried putting 4 other fans and set ups and this worked the best. I have 7,000 miles with this set up and no issue. I did have some cups put on my trany cossmemeber so little to not forward movement in the motor when stoping.
                    Last edited by kermugit; 05-11-2011, 03:21 PM.
                    Many soldiers go unknown.... You will never be forgotten SSG. Matt Mauphin, SPC. Juan S. Restrepo and all past and to come

                    Comment

                    • dude8383
                      Forum Sponsor
                      • Jan 2005
                      • 10387

                      #11
                      Good to know. I too have a/c but haven't experienced any issues with overheating...and I live in NYC ;)

                      I am a firm believer in the fact that the clutch fan's are MUCH better at keeping things cool. I might consider getting a clutch fan in the future though, because you never know...maybe I'll get stuck in some LA traffic lol
                      IG: deniso_nsi Leave me feedback here

                      Comment

                      • phreshkid
                        R3V Elite
                        • May 2009
                        • 4655

                        #12
                        Originally posted by dude8383
                        Good to know. I too have a/c but haven't experienced any issues with overheating...and I live in NYC ;)

                        I am a firm believer in the fact that the clutch fan's are MUCH better at keeping things cool. I might consider getting a clutch fan in the future though, because you never know...maybe I'll get stuck in some LA traffic lol
                        I too like this belief.
                        world renown Harry Potter expert
                        sigpic

                        Comment

                        • Wanganstyle
                          R3VLimited
                          • Apr 2010
                          • 2828

                          #13
                          clutch fan is the best for traffic. all day long, locks up when its HOT and your engine needs it.

                          in the 2JZ world, the stock clutch fan is often seen @ the texas mile :)

                          clutch fan freewheels and does not drag when you are @ wangan speed. if your front end gets damaged and the fan is stuck, it will simply free spin on its fluid.


                          I've ran stock clutch fan without shroud on many cars without problems, AC+ traffic+crazy hills oh my.
                          OBD1 M54/M52TU swap as a M50b25

                          Z4 non powered steering rack fits e30



                          Euro e46 2005/6 320d 6mt gearbox into E30 with M20 hardy and beck 1985 327s engine

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                          • kalib0y
                            No R3VLimiter
                            • Dec 2004
                            • 3620

                            #14
                            I havent had any problems with my 16in 3600cfm FFD pusher in front of my condensor, 10in 12oocfm FFD puller, 75 degree thermostat, mishimoto rad, lower temp switch, on my S50 and I run the AC all day sitting on the 5fwy traffic and dont have any issues at all. Never goes past the half way mark....Im a happy camper with a full electric set up
                            95 7.1L 16V E36 M3
                            Motorsport Hardware ***Wheel studs and Spacers!!!--->FOR SALE 4/5 Lug Stud Conversion Kits available CLICK HERE
                            LIKE my Facebook Page! CLICK HERE

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                            • e30rapidic
                              R3VLimited
                              • Oct 2003
                              • 2167

                              #15
                              try a shroud
                              '87 325ic, powered by S50.

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