MK1 Campaign Post Posted 02 December 2013, 12:40 PM #1362385 (In Topic #167173) Parsons Settling In Underseal and Primer Does anyone know which type of underseal and primer were used on the 1983 MK1 gti campaigns, just about to start the respray on my golf and wanted to get it right.ThanksDan 0 guests and 0 members have just viewed this: None. Forum home Bodywork, Fittings and Interior