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Guys when I start the Brumby in the mornings and afternoon after work the first 2 seconds when she fires I get a knock which sounds like big ends, which then goes away and the thing just ticks over Has got 287K on it and running 20w 60 Penrite HPR Diesel oil on their recommendation. Don't recall the same issue with the My GLF coupe I had 15 odd years ago, mind you it had probably 140K less on it.
I was thinking that maybe the factory filter might be the go rather than the Ryco equivelant. Any thoughts. Majordad

maybe swap in another oil pump with new seals etc ??

Does the oil light go out straight away? I'd recommend fitting an oil filter with a non return valve in it.