For Automatic A31 Ceffys there is an oil cooler thats basically integrated with the radiator. Its the lower section of the radiator. For Manual versions there is no oil cooler. If at all an oil cooler is fitted you should fit one for the engine rather then the tranny as the engine needs it more. RB's run very hot and, the malaysian climate does'nt help either and oil temp soar causing the oil not to perform its best and engine failure.
it does matter with my evo4, when i loose my fuel pedal at above 3000rpm, very loud annoying 'kra...' sound bursted continuesly, but if it was under 3000rpm, there would be no annoying sound. when i stepped on the...