Water pump pulley ratio high RPM offroad

He gets real in depth with keeping a eng cool that has to run 6-7500 rpm for hours on end.
I followed some of his block mods and the water pump mod.

I can hot lap my car and never overheat! it hasn't been driven on the street thow.

It's a great article.
Any one that wants/need to improve the cooling system should read it.
Hope it's still there. It was like 3 years ago that i followed Sanborn's thead while i was building my eng.
also followed most of his oil mods as well.

The oil mod can be found here on one of the sticky. By Guitar Jones. called Any one interested in the oiling mods I did?