seitzx Posted June 19, 2022 Report Share Posted June 19, 2022 When removing the heater core from an e30 with an m20 do you just block off the water port on the back of the head? Or do you reroute the water back to the front to keep from creating a hot spot in the head? Quote Link to comment Share on other sites More sharing options...
jakks Posted June 19, 2022 Report Share Posted June 19, 2022 I've seen it both ways. We run a block off place. 1 Quote Link to comment Share on other sites More sharing options...
TimS Posted June 19, 2022 Report Share Posted June 19, 2022 I made a block off plate and plugged the fittings on the thermostat housing. Quote Link to comment Share on other sites More sharing options...
Technical Advisory Committee Chris Huggins Posted June 20, 2022 Technical Advisory Committee Report Share Posted June 20, 2022 Blockoff plate. Replace the "T" hose with a normal straight hose between T-stat housing and the coolant pressure tank. 2 Quote Link to comment Share on other sites More sharing options...
Fetterhund Posted June 20, 2022 Report Share Posted June 20, 2022 19 hours ago, Chris Huggins said: Blockoff plate. Replace the "T" hose with a normal straight hose between T-stat housing and the coolant pressure tank. This is what we did on our new M52, seems to give the least amount of clamps and connections to come loose or hoses to fail. 1 Quote Link to comment Share on other sites More sharing options...
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