I don't think the crate engines are anything special. Sure, nice engine if you don't want to do any building yourself, but it's easy to reproduce it with any magnum based engine. This is worth a watch.
again same motor the 4th test
tuned carb and timming for the headers 10 hp is all it made on a stock pos 291 hp engine
thats about the 8th test ive seen getting 10 hp
yada yada its not tuned they dont know what they are doing
when you know you know
great video