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Hello everyone My first post here, hopefully first of many I've been doing some research about a project I'm currently planning, and I have noticed that the good people here have a very deep understanding of the engine I'm working on, so I'm asking the question here. I have an E30 with the M10 engine, and I'm planning to do turbo upgrade to it in the future, currently I'm reading everything I find, I learned a lot from the megasquirt efi build on the faq here. I live in a very hot climate, and currently with the stock radiator and waterpump, my car cannot sustain "spirited driving" in this hot summer, or even long distance casual cruising between cities. Not that it has blown up or anything, just that the temp gauge goes a lot higher than it should. So, while planning the turbo build, I have decided to get a turbo with oil AND watercooling, to extend the life of the turbo. With this choice, I have also decided to get a bigger radiator, electric fans, and also electric water pump. And we arrive at the question of today: what is the actual route of coolant in this engine? I'm asking this because I want to erase the mechanical water pump, and get the electric, so it moves more water, and can also keep cooling the engine, while it is off; I've noticed the temp goes high after turning it off, because of the heat soaking effect I'm told. So, where do you think I should put the electric pump? Also second question, I'm going to control this pump with the ecu, that is going to decide pump load based on engine coolant temp, so if it's cold, it wont run, if it's a hot day, it will keep running even after the engine is off, so I don't think I need the regular thermostat anymore, am I correct? Also based on what I can see from looking at the engine, I have drawn a very, very, simple diagram as to how it looks, but I haven't figured out the direction of the coolant flow, so, maybe you can help me out. Thank you for your help
Here is one for all you technical minded 02ers: Electric water pump. To simplify the process and bypass all pulse adjustment, electronic management and etc, can we just: 1) Remove the fin from current mechanical pump. 2) Machine or shave the current pump by removing spindle and pulley and install a "block off plate" or just get rid of the current pump and install block off plate. 3) Install EWP after the radiator outlet (or anywhere on supply line to the engine block). 4) Run the EWP constantly. 5) Keep the thermostat setup the way it is since the EWP is constantly running (deleting it would obviously require some sort of EWP management system). Has anyone made a block off plate or any company selling it? Cheers