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Thread: Running warm, again!

  1. #81
    ⚙ Gearhead 1K+
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    Re: Running warm, again!

    Good to hear.

    Post up some pictures of the new vs the old???

  2. #82
    Original Gearhead Joe Morreale's Avatar
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    Re: Running warm, again!

    I never thought of taking pictures. I'll take one of the old one out of the car and one of the new one installed later today. I hope it shows the comparison.
    2001 SE British Racing Green - FM frame rails - FM solid sway bar - FM clutch- Mishimoto 53mm radiator - Bilsteins -
    Complete MK Turbo kit with intercooler - 3'' custom exhaust - Custom door panels - Custom "shorty" console

  3. #83
    Original Gearhead Joe Morreale's Avatar
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    Re: Running warm, again!



    The one in the car goes up to the bottom of the hood latch, around where the blue line is. You can see how much more area it opened up. The first one completely covered the mouth. I cut the bumper support a little to allow more air to pass through. I also used foam rubber, on the inside of the bumper the seal air to the inside of the mouth. I have to get a piece of corex and cut it to fit from the front of the undertray to the bottom of the bumper. I'll probably just use some self tappers for now. That will close everything up pretty good. I took a hard boosted run through Crewsville and speeds were in triple digits. Temps only went to 203. When I get finished I'm hoping for temps under 200.
    2001 SE British Racing Green - FM frame rails - FM solid sway bar - FM clutch- Mishimoto 53mm radiator - Bilsteins -
    Complete MK Turbo kit with intercooler - 3'' custom exhaust - Custom door panels - Custom "shorty" console

  4. #84
    Individual-1 ☚☻☛ Agent☣Orange's Avatar
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    Re: Running warm, again!

    The little one is the new intercooler?

  5. #85
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    Re: Running warm, again!

    Oh wow, that is a lot smaller width wise. Are the cores the same thickness?

    have you watched your IAT temps since the swap?

  6. #86
    Original Gearhead Joe Morreale's Avatar
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    Re: Running warm, again!

    The little one is the new intercooler. I had to change the pipe on the hot side and add a pipe and couple on the cold side. Surprisingly it has more surface area than the original. Measurements are old one: 6.5''x22'' (143 sq. in.) new one 11.5''x15'' (172 sq. in.) That gives me 7'' of exposed radiator, through the mouth, that I didn't have before. They are both the same thickness and I have not checked IAT temps as of yet. I would imagine with the bumper support cut out the new IC is getting more air than before and air temps should be well under control. I'm going to try and fabricate and complete the undertray today. Depends on how damn hot it gets outside. It's already sweltering. If you know anybody looking for a good IC, send them in my direction. Not good with ac. It's a Vibrant core. The same one that Fab9 uses in their stage 1 unit. Cheap. I'll even clean the bugs off.
    2001 SE British Racing Green - FM frame rails - FM solid sway bar - FM clutch- Mishimoto 53mm radiator - Bilsteins -
    Complete MK Turbo kit with intercooler - 3'' custom exhaust - Custom door panels - Custom "shorty" console

  7. #87
    Original Gearhead Joe Morreale's Avatar
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    Re: Running warm, again!

    Well it's summer and I'm back to this. On I-75 doing 80-90 with the AC on temps climb to 217. Still a bit too warm. I have my bumper off now and I'm going to use foam rubber, under the mouth and up the sides. The hot side has a small gap which I'll jam foam in it with some foil duct tape. I'm going to seal the bottoms of the radiator, condenser and intercooler with the aluminum duct tape
    The top is pretty well sealed with the nrg cover. I need to drop 10 degrees on long high speed runs, with boost. If this doesn't work, I'm thinking of ditching the restricive, but pretty, Flyin Miata shroud and mount the spal fans with bar stock. I'll have to plan a long trip as soon as I'm done, to see if it makes any difference.
    2001 SE British Racing Green - FM frame rails - FM solid sway bar - FM clutch- Mishimoto 53mm radiator - Bilsteins -
    Complete MK Turbo kit with intercooler - 3'' custom exhaust - Custom door panels - Custom "shorty" console

  8. #88
    Events Manager minuteman048's Avatar
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    Re: Running warm, again!

    Man, I thought you had this licked! You have the factory shroud underneath right? Not that it matters, but do you have the coolant reroute on your car? If not Jack has the components. I think you have the 50 mm radiator too right?
    99 Emerald Mica, 01 Header, Ground Control Springs w/Bilstein HDs. Thompson CAI, High Flow cat w/Borla Exhaust, Fab9 COP's
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  9. #89
    Original Gearhead pdexta's Avatar
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    Re: Running warm, again!

    What coolant are you running? I've had good results with water wetter and a very weak mix of antifreeze:water. I'm still stumped by you having these issues even with your upgraded radiator and fans.
    Scott
    2000 SE Miata ♦ 6sp, MS3X, GTX2860 @ 20psi, E85
    2005 Civic Hybrid ♦ 5sp

  10. #90
    Original Gearhead Joe Morreale's Avatar
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    Re: Running warm, again!

    I don't have the reroute. From what I understand the 01+ cars with the upgraded headgasket it only evens temps between cylinders. If I get one It'll probably be the q max. I do have a 52mm radiator. What seems to be the issue is getting air through the 2" thick intercooler, then the ac condensor and finally the radiator. I'm try to block areas where air is escaping around the "heat exchangers". Sealing the exchangers, on the bottom should help, along with sealing around the mouth and vertical edges. The stainless shroud is pretty, but in reality it is blocking air flow at high speeds, when fans aren't necessary.

    Really my temps aren't dangerous high. A normally aspirated Miata will run warmer. A bone stock but perfectly maintained NA6 with A/C will run 230° clt at a steady 70mph on a 100° day. Use full throttle a lot or add a bit of power and you're at 245°.

    I run straight distilled water with water wetter.
    2001 SE British Racing Green - FM frame rails - FM solid sway bar - FM clutch- Mishimoto 53mm radiator - Bilsteins -
    Complete MK Turbo kit with intercooler - 3'' custom exhaust - Custom door panels - Custom "shorty" console

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