News

A practical lubrication checklist for laying up a classic car over winter: fresh oil, preservation oil, greasing, fluids and how to wake the car up again in spring.

Type A and Type F automatic transmission fluids look similar but behave differently. Learn how they differ, which classic transmissions use which, and how to avoid mixing them up.

How to run in a rebuilt classic engine: which oil to use, how long the running-in period lasts, how to drive it, and the mistakes that cause lasting damage.

Monograde or multigrade, mineral or semi-synthetic, and why ZDDP matters for older camshafts: a clear guide to choosing engine oil for a classic car.

GL-4 and GL-5 are not simply 'good' and 'better'. Here is how to decide which API level a classic gearbox or differential needs, and why yellow-metal synchromesh parts make the question matter.