Right I've finally sorted out some strut top caps for my poly bushes as the Polo caps were falling through the strut top
(borrowed this pic from Robin over on R32OC, hope he doesn't mind)
So I came up with this idea, Robin beat me to it though lol
Standard Golf cap with the cup part cut off leaving a big washer
Then the remaining lip ground flat and centre hole enlarged slightly
Polo and modified Golf cap mated together
Comparison of difference in diameter between the two caps
Rubber buffer added to both caps
Fitted on now and they work perfectly
I'll be fitting the engine bits over the new year; VR6 MAF, ECU, injectors, WMI nozzle so I'll report back with some pics once that's all done