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Automatic grille block
While sleep deprived last night, i came up with what i think is an idea worth following up on. A hinged door on the grille that when open, allows air to the radiator but when closed, completely blocks air to the rad, thereby retaining the precious heat. How do i activate it? Well, stick a small pneumatic cylinder on it and run a hose up to the vacumn line going to the brakes, but BETWEEN the non return valve and the inlet manifold. Therefore the brakes will hold their vacumn as normal. 90% of my grille is already blocked and the rest is right in front of the radiator so the resulting door will be quite small. When the engine is on, the door opens due to the vacumn pulling on the cylinder. But when i FAS, the door will (should!) close and keep that precious heat in. Sounds simple in theory but i may have missed a few things. Anyone got any ideas to make sure this works? I'm on the prowl in work for a suitable cylinder to do this and with winter on the way (well it feels like it here anyway, it's pi$$ing rain), is a timely mod!
ollie
ps, i'll post pics as i do it and probably put in the diy section
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