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Thread: Silvertop 4AGE's and oil coolers

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  1. #1
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    Default Silvertop 4AGE's and oil coolers

    What's the best way of setting up an oil cooler on the 20 valves? My track car with a freshly rebuilt engine was hitting 110 degrees whilst on track and 120 after I eased off before it cooled down which I thought was too high.


    I've read that the sandwich plate off a smallport bolts on but doesn't have a thermostat but haven't verified it. I also would like to avoid having to relocate the oil filter if possible as I want to keep it simple.


    I've also heard of people running oil coolers having issues with the vvt as it affects oil pressure, but it seems to be more of a blacktop issue.


    Any advice would be greatly appreciated.

  2. #2
    Noooob
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    I've never ran an oil cooler on any of my 20vs... But smallport oil sandwich plate is the way to do it with a drain back to the sump, otherwise aftermarket cooler / relocation kit
    Ae86 Drivingclub - Toyota AE86 Car Club where AE86 | KE70 | Toyota 86 / GT86 | Subaru BRZ | Scion FRS owners

  3. #3
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    16 valve sandwich plates don't use a thermostat, but they do use a pressure release valve that opens at a certain pressure to allow oil to pass through the oil cooler.
    But keep in mind you need an oil return in the sump to run this setup.
    I'd go with an aftermarket sandwich plate that has a thermostat, where both the feed and return for the oil cooler come from/go into the sandwich plate. Like this Mocal unit:

  4. #4
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    Thanks rianwest. That's exactly what I'm after.

    Where is the best place to buy one of these sandwich plates? I don't want to buy some Chinese rubbish that's gonna cost me an engine when it fails.

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