Been doing some searching and I'm a tad confused about the whole oil debate.. So I don't wana start another but I'm doing a oil change this weekend and what's everyone's opinion ?..

20w50 ???? XLD Classic ???

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64' 850 1275cc

Valvoline XLD Classic works for me.
I used to use Castrol's GP50>Formula R 25W50>Edge Sport 25W50 (all the same oil, different marketing) but when the price per can got silly I went to KMX 20W/50 and then Valvoline XLD Classic.
All these oils maintain good pressure when hot even freeway running, without an oil cooler. Unlike Castrol GTX......

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Sweet need something that can handle some moderalty hard driving and a lot of freeway driving. I'm on the freeway almost every time I drive it cos of where I live and my mechanic (father in law) lives 150km away. So plenty of 1.5 hrs trips at 90-100km/hr.

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64' 850 1275cc

I'm a big fan of Castrol edge 25w50. I have found it gives me better hot oil pressure at idle, plus oil usage is better than "other 20w50 oils" I've tried. It's just what I have found that works for me in my car.

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1963 Morris 850