You will be fine with Coolex my old mans used these for years with Calibra Cav turbos running more power than the Lotus's.
Ill be fitting one too when the clams off, there based in Nottingham and I believe they have supplied a few known companies with the radiators for the Elise platform.
Hey Dean all good this end buddy, works been manic and with the lads Rugby Sunday mornings its hard to get out! I am definitely doing some track days this year though! new rear rotors and pads all fitted, shes been on axle stands since last Oct and SORNED.... its been horrible.
Think my springs are 450F 500R and I have tightened up the anti roll bar.
Ive also been playing with Geo and found a sweet spot for me ;)