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Resolved :2g overheating

Posted by Evolving_sti, Aug 20, 2019

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  1. Evolving_sti

    Evolving_sti Proven Member

    Joined Apr 28, 2019
    DANBURY, Connecticut
    Hey guys. I just wanted to share. I recently bought a 99 spyder gst. It was stock. Did the basic boltons , speed density , fmic setup. Nothing major , still stock t25. I'm running link. Well I got a start up map from kenny @justatune. Car started right up ran great. Started noticing the temp gauge moving on the highway. I was hitting over 230 degrees ! So then I started datalogging and I was hitting 210-215 just cruising normally. If I turned both fans on via link it would get to 200-203. Still no good. I have mishimoto slims btw. So I came on here and read a sh** ton of articles and brain stormed with my mechanic to solve this issue. The fmic is a ets btw.
    So he ordered me the mishimoto x-line radiator, mishi radiator hoses, and he bought this fan pulse modulator which now controls the fans and not the ecu and we also cut the black part on the front bumper. So this module starts both fans at a low speed at operating temp. And as temp increases so does the rpms on the fans.

    Today is 92 degrees out, pretty hot. My cruising temps are 193-196 consistently with no AC. On the highway I'm at 200 dead. On the highway with AC I'm at 203- 206. I'm very happy with the results. And according to my mechanic link seems to read 7 degrees higher than his thermostat.
    I'm hoping once the car is tuned properly it will run a little cooler aswell. 20190820_192057.jpg 20190820_180704.jpg
    Just wanted to add my experience as I read alot of threads on here with alot of suggestions but alot of people dont put what actually resolved their issues with data.
    Hickory-NC-2Ggsx and Boomdeeze like this.
  2. Evolving_sti

    Evolving_sti Proven Member

    Joined Apr 28, 2019
    DANBURY, Connecticut
    Just wanted to add one more thing. I decided to install and aem temp gauge because I didnt always want link connected. I've noticed that the aem gauge reads anywhere from 3-7 degrees cooler than what link. I know almost every degree counts with these and alot of guys want to be as cool as they can get it. The gauge is tapped right by the radiator cap. So idk if that is as accurate as link but just thought I would share.
    20190823_140715.jpg 20190823_140409.jpg 20190823_140405.jpg
  3. Mello

    Mello Proven Member

    Joined Jul 4, 2003
    Albuquerque, New Mexico
    The sensor link is using is on the hot side of the thermostat & the one you tapped is in the neck going to the radiator. I would not expect them to match & the temperature from the add-on gauge probably cycles as the thremostat opens & closes.

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