Since u r a heavy footer(untill brake pad crack), go for the higher temp is the only way... note that the more temp it withstand the more it scream when cold... really scream...
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...