Join Date: Jul 2011
Location: Cologne, Germany
imo, an item with a copper seal washer doesn't need sealant at all, the copper, being soft, effects the sealing (think sump, tranny or axle drain plugs....you wouldn't seal those!)
That's why you renew the washer each time.
Dom - Alfa Spider 1990 S4 - formerly: Alfa 101 Sprint, 2600 Sprint, Montreal - family classics: Jensen Interceptor II, '58 Hooper RR Silver Cloud I, Shadow II, '60 Corvette.