Having difficult time getting to work properly with P51 with both fans

I have been tinkering with this for some time now - can you please offer some advice on how to get a Thinkpad P51 Xeon to have max fan run on both the CPU and GPU all the time? I do not want the fan to go below 90% - actually running at 100% on both fans would be fine. Please advise.. Thank you for your help..