SB Road Racing/Nascar/Sprint Car/Reving BUDGET BUILD

So then would this mean that having the power lower with a redline of 6500 but power a little lower would make for an engine that would have better durability long term?
Pretty much! The less PM you turn the less stress the engine has. Low stress, low maintenance. High stress, high maintenance.

Stock engines, low maintenance
Hot rods street strip, medium maintenance
Race engines, high maintenance