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  • bigger radiator

    I need a bigger radiator. Does any one know where can a I find a larger than stock radiator or know the dimensions to have one custom made?

  • #2
    Why do you think you need a bigger radiator? :?:

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    • #3
      maybe his car grew a size over winter and it doesn't fit anymore

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      • #4
        I would see it as being quite hard to make something fit that's any larger than a stock dual core. Maybe if you made it a little shorter and an inch or so thicker?

        Here are the stock radiator specs. Compare it to other units, you may have to get one custom made; I know Afco does this for a reasonable price.

        Radiator Dimensions:
        Core Size: 16 1/8" x 25 3/8" x 1 1/4"
        Top header: 1 1/2" x 25 5/8"
        Bottom header: 1 1/2" x 25 5/8"
        Inlet kneck diameter: 1 3/16"
        Outlet kneck diameter: 1 3/16"
        Rows: 2
        Mount type: Bracket/Pin Mount
        Distance between transmission oil cooler fittings: 11 3/4"
        Construction: Copper/Brass

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        • #5
          my rad is out of a 5-speed so it doesnt have the tranny oil cooler fittings on it , sooo it doesnt use some of the core for oil cooling , making it better by any margin???

          and if you are having troubles with your car overheating then there may be sopmething wrong with the cooling system . unless you are running high rpms for long periods of time i dont see why you should have an issue.

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          • #6
            2+2turbo wrote: my rad is out of a 5-speed so it doesnt have the tranny oil cooler fittings on it , sooo it doesnt use some of the core for oil cooling , making it better by any margin???

            and if you are having troubles with your car overheating then there may be sopmething wrong with the cooling system . unless you are running high rpms for long periods of time i dont see why you should have an issue.
            The trans cooler is just a little dinky thing that sits in the bottom endtank of the radiator... it's more or less a tiny heat exchanger between engine coolant and trans fluid.

            I've run my car at WOT with 22PSI for over 30 seconds... a new "stock replacement" turbo radiator. I never saw the temp move much more than a couple MM of the needle.

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            • #7
              yeah , how much power are you making at 22psi? . your dyno runs were at 16psi right?

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              • #8
                I believe Mark86T on this site had an all aluminium radiator made with the stock or possibly slightly larger than stock dimensions. It installs the same as the stock unit.

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                • #9
                  EDM turbo radiator.

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                  • #10
                    2+2turbo wrote: yeah , how much power are you making at 22psi? . your dyno runs were at 16psi right?
                    Who knows... the dyno runs were with 15.8PSI. So much has changed since then. It was slipping the 6 puck at 24 PSI and 19-20 degrees on race gas, so probably somewhere around 440-460rwhp and similar torque. Considering I am running stock ignition, and stock cooling (less e-fan) I think I can say Nissan likes to over-build some of their systems from the factory. If only they had been so kind with the fuel system.

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                    • #11
                      Andrevas wrote: EDM turbo radiator.
                      Is this any better than the USDM turbo radiator?

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                      • #12
                        the car is going to be used for road racing and it will need a bigger radiator. the car didn' grow

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                        • #13
                          [quote]Jason84NA2T wrote:
                          Originally posted by Andrevas
                          EDM turbo radiator.
                          Is this any better than the USDM turbo radiator?
                          it's supposed to be something like 10% more efficient because of high speed autobahn use

                          http://www.courtesyparts.com/Merchant2/ ... o_radiator

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                          • #14
                            only $400! :shock: I think most people would sooner go for a custom made unit that would probably outperform it...

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                            • #15
                              MikeZ wrote: I believe Mark86T on this site had an all aluminium radiator made with the stock or possibly slightly larger than stock dimensions. It installs the same as the stock unit.
                              I do indeed have a custom made radiator. About twice as thick as stock, same overall width & length. All aluminum. Crossflow. Spal fan cools it. Here in Vegas I autocross and do track days. Temp gauge never goes over 190. Normal driving it never goes above 180. Then fan kicks on & drops temp to 165. The whole set up runs about $400-$500 for radiator, Spal fan, all wiring, relay, temp switch to mount in radiator, and pipe to cross over radiator. I got mine for free (can you say FREEBIE!!) as I was the development car. Can't beat free. I can get info. on it if anyone is interested. There is a downside to using it. If you are using the Spearco I/C or run your piping under front bumper/over radiator this radiator won't work for you. I had to cut the bumper mounting bracket/hood latch half off to get the piping to run. PITA. It works though. It also made me remove my A/C so I could adjust the I/C piping. No need for A/C on the track, right?

                              378whp 445wtq
                              http://mark86t.zmobiledetailing.com/.../v/Black+Hole/


                              Z Mobile Detailing, Las Vegas, NV

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