Originally Posted by MUD CHILD
It can still be used, according to the instructions, it says to in large the holes so that the lifter will fit. Obviously it will no longer hold the lifter in if there is a push rod failure, but it still shields the bottom of the intake from hot oil.
So those numbers look off to you, what do you think I can expect out of this motor?
Purely a guess on my part..........I think 440hp would be the upper limits. You might think about a little less duration cam for that head/intake combo. JMO