If I Need to Change the Coolant in a 1960s Classic, What Sort Should I Use?
Use standard ethylene glycol antifreeze mixed with deionised water (or soft tap water) at a ratio of one part antifreeze to two parts water. It would do no harm to flush the system a few times with plain water to remove sediment. Fill it up, run the engine until hot then drain the water. Allow it to cool fully before refilling.
Oil capacity: 9 1/2 pints (5.25 litres) of 20W/50 mineral oil. Make sure it has an API rating as a mark of quality. Also, check the levels in the gearbox, final drive, power steering and carburettor dashpots. Track down a workshop manual for further servicing data, or consult the P6B Service Guide in the July 2013 issue of Practical Classics.
Would a non-aqueous coolant like 4-life be better for Classics?
After seeing it used on wheeler Dealers, I thought it was a good investment in a classic car I want to hold onto for a long time. see what you think, see this link below . Ben
http://www.evanscoolants.co.uk/multimedia/Wheeler-Dealers—Watch-Now!–Edd-China's-Triumph-TR6-Conversion/43