with stock ic/exhaust/injectors/downpipe/etc using shell v power gas (very common here 99 ron) at 8C/47F dynoed at 262 hp at the fly was kicking out 312 lb/ft but pegged down to 281 at 4200rpm are my rods gonna last?

as you know ive just fitted a k04 ive currently got a k03 chip and i will get it properly mapped but it would be late next week and i have to use the car very often in the mean time. i've been told that id be fine if i take it easy so i drive the car very very slowly changing gear at less than...