Have a look at DNRT races at Zandvoort - cheap entries at 250 euros for qualy & 3 x 25 minute races - that's 120 miles of a fabulous race track.
They run races for "Free Formula " essentially formula libre - & accept any single seater, sports racing car, clubmans car etc.
All you need is ....
MSA Nat A licence
Harwich to Hook ferry ticket - van & trailer = £160 return
Zandvoort is just 55 miles from Hook
Entry fee - 250 euros - cash on the day !
Next date for Zandvoort is October 13th - then Zolder on the 24th October
Email -
am.waterreus@hetnet.nl