Suggest you speak to Julian of JMA Cars, I bought my 75 from him and he knows everything about them. He is especially good with modifications and common faults on 75's, he even sells a fan mod kit which sounds like could be your problem. He sells them online here: www.jma-cars.co.uk/jma/Accessories.aspx
His phone number is also on site, ring for advice first. Mark.
Mark
February 2008
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