Upgrade your pre-1991 Classic Mini or early Mini Cooper with this standard radiator featuring 3 offset tubes in the core and metric thread fixings. Great radiator for an 850 Morris Minis and may also be used for a 998cc engines. This well-made, cupro-brazed 3-core radiator with 9 core fins/gills per inch is more than adequate and a vast improvement over your old, rusted or clogged up radiator. Use a modern day radiator as the old original outdated "S" had 16 gills per inch with to much solder ruining its efficiency. Never run your engine too cool. It is always favourite to fit an electric fan to help cooling in our changing environment of weather and traffic queues rather than fit a radiator that will over cool your Mini. From 1980 all factory fitted radiators were to the old Cooper S spec of 3 rows of cores and 16 gills per inch to cope with the hotter running engines but radiator designs have changed a lot. However the basic problem is the lack of water capacity and all the late minis have 5/8" bore heater hoses as opposed to the old 1/2" bore which helps. Now different core designs and fins as on this radiator have helped to cool better than the old original designs. PLEASE NOTE: Not suitable for 1976 Australian built Minis, where the outlet was at the rear of the radiator. If you have the radiator out of your Mini than it makes sense to also change to an evolution type lightweight water pump which comes with 3 year warranty and of course you should also be changing the new fan belt. This is a Cuprobraze 3 tube modern design version with 9 gills/fins per inch. Cuprobraze is the latest use of brazing in place of traditional soldering to join copper and brass components of radiators which can also use alloys that are stronger than conventional lead-tin solders. Brazed joints are stronger than soldered types which can allow for thinner metal to be used than that for usual copper/brass rads. This improvement led to a further advantage in that cross sections gave higher heat transfer as well as being potentially stronger, lighter, more efficient and potentially smaller. The main benefit is a cheaper to produce better product. Ensure that your Classic Mini car runs smoothly and efficiently with this high-quality radiator designed specifically for pre-1991 Classic Mini cars.