I did a post on enlarging the holes which helps to cure the problem. Try the link: ND Windscreen Scuttle Drain Holes - Blocking? - Technical Area / Body, Interior & Styling - MX-5 Owners Club Forum (mx5oc.co.uk)
I did a post on enlarging the holes which helps to cure the problem. Try the link: ND Windscreen Scuttle Drain Holes - Blocking? - Technical Area / Body, Interior & Styling - MX-5 Owners Club Forum (mx5oc.co.uk)