Sorry my man, I should have stated a big LOL, because your trying to help in earnest and I just laughed at the reply because I did think it funny. I ment no harm. Sorry.
Cause he said this, "The catch is here, the only small block mopar that raced here and is therefore ellidgeable in the class, was a 273 and auto." which makes bigger displacements illegal to a high degree.
If he can't change heads, improve breathing, he's not going to get more power at higher RPM, now is he?
What I'm saying is, increasing the ability to wind the snot out of the engine is not necessarily going to make more power, make it more competitive, nor make it last longer.