Yep, the issue of cooling needs a lot of thought. I'm still dealing with it four years on. It's a combination of issues. First the size of rad. Meg won't fit due to subframe. When you compare the size it's about 3+ litres of water in difference. Then there's issues around the flow. Heat easily traps due to the design of the pipes. Also aircon covering the rad. Then there's issues around heat diserpation. The list goes on but be careful cause on scan gauge I've seen 110 deg when ambient temps are high. I think I've solved some of the issues and made significant in rodes into others. Ultimately, the water pipe work design is wrong for the Clio.I'm just going to fit the Megane radiator, as i'm using the original intercooler as is the rad would've needed to be moved over a bit anyway so could aswell fit the Megane radiator while i'm at it.i also had to loose A/C because the downpipe hit a little pot, wonder if the pot isn't there on UK Clio's as i've seen 225 conversions retaining A/C, could you make me a pic when the engines out?Also i unbolted the wishbones and pulled the uprights outwards so i could remove the shaftsgoing to do wiring and immobiliser tomorrow so hopefully be able to start it in the afternoon
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