~KnuckleDuster~ Posted April 5, 2014 Share Posted April 5, 2014 I'm going to be routing my water return line back to the T-stat and found that a 90-93 Miata thermostat housing cover will fit and has an extra port on top of it. All my ports are being used and I figured this would be a quick and easy way to add an extra port for the water return. http://community.ratsun.net/topic/25128-how-to-upgrade-your-l-series-thermostat-housing/ My concern is the size difference. Will this be too restrictive? Quote Link to comment Share on other sites More sharing options...
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