hi can anyone help i have a rear trunk ducktail spoiler for my 72 ,it has no fixings i will have to fabricate them,can anyone let me know if (1) the spoiler should be tight down on to the trunklid or spaced a bit. (2) the position to the trunk lid edge ,and (3) the amount and type of fixings used .this is a fiberclass replica i have and has no fixings i will glass these in. any photos would be most welcome thanks guys