Originally Posted by colnago62

It sounds like you are a speedster. I am a speedster. Raced on the track and hated races more than 15 laps. I have done 20 minute and 8 minute ftp tests and find that, for me, the 8 minute overestimates compared to the 20 minute test. My peak watts graph starts high but drops fast. The eight minute test allowed me to put up big numbers because by the time I start seriously dropping, the interval is almost over. For me, I find the ramp test works best to give a more realistic number for me.