KOnahic Posted February 5, 2020 Share Posted February 5, 2020 Just thought I'd throw this out...What's everyone running for oil in a Cross Flow that doesn't get raced, & only driven hard occasionally. Thanks, Kato Link to comment Share on other sites More sharing options...
Anker Posted February 5, 2020 Share Posted February 5, 2020 The previous owner of my car recommended PennGrade SAE 20W-40 Partial Synthetic. Link to comment Share on other sites More sharing options...
DavidL Posted February 5, 2020 Share Posted February 5, 2020 I use Castrol 20W-50, with an additive from Moss Motors, "ZDD Plus" as a lead replacement. https://mossmotors.com/zddplus-engine-oil-additive My car is a 1990 Caterham with the stock Caterham X-Flow 1700 Super Sprint. Link to comment Share on other sites More sharing options...
The Stig Posted February 5, 2020 Share Posted February 5, 2020 I’ve been using Valvoline VR1 Racing Oil 20w50. It’s a High Zinc oil https://www.valvoline.com/our-products/motor-oil/vr1-racing-oil Link to comment Share on other sites More sharing options...
JohnCh Posted February 5, 2020 Share Posted February 5, 2020 I've heard a lot of good things about Driven Racing Oil HR which was designed for older engines that are driven intermittently. It's available in both dyno and synthetic. I have some of the dyno oil in the garage ready to go in the Elan as soon as I have time for an oil change. https://tech.drivenracingoil.com/whats-hr-conventional-10w-40-hot-rod-motor-oil/ -John Link to comment Share on other sites More sharing options...
SENC Posted February 5, 2020 Share Posted February 5, 2020 Brad Penn and Redline are the stateside recommendations I've gotten over the years for my Elan, both have plenty of zddp and are considered top end. Both are expensive, but I figure it is worth it for these old engines. I'm currently using Redline 20W50 for the twink in my Elan, planning the same for the Seven (pre-crossflow). Link to comment Share on other sites More sharing options...
coffee break Posted February 6, 2020 Share Posted February 6, 2020 I've used Castrol GTX 10w-40 and/or oil recomended for diesel motors which have zinc additives. In my application, having the proper oil level is important. The motor leaks some. I'm a goldylocks driver, as long as its not too hot or not too cold I'll take the car out, and its kept inside a conditioned garage. So the oil isn't getting much of a workout. Link to comment Share on other sites More sharing options...
KOnahic Posted February 7, 2020 Author Share Posted February 7, 2020 Many thanks to all for your responses. This gives me a lot to think about, but they are all of the same vein. I've got a dry sump on my car which means buying 7 quarts, so I just wanted to be right the first time. Wish I could still get Castrol XLR 20w-50 like I ran in my Mini; but that was a long time ago. Cheers, Kato Link to comment Share on other sites More sharing options...
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