Quote:

Dennis,
What are you looking for? Why are you building a 500, was the current shortblock not good enough? The application, intended use, and goals for a combination have as much to do with head selection as flow numbers.


Sorry for the confusion!
Well my current set up is a 383 w 440 crank rod rpms (otb) have been flowed @ 292 at 600, , 12.5 c, stx21 w.1.5 rockers,
456 geared 5200 vert (ta),on alcohol,
runs currently 6.70 1/8 @ 103.4 mph 1.423 60, (no 1/4 passes as yet)
I am down on cubic inchs , and as this combo is a rather old tec build up (1977pistons) Runs great , just want to get into the 9s ,
I want to build a 500cu motor over winter, but was looking at upgrading heads, .
I have been observing some of my friends combos, mainly their choice of heads, , trying to figure what is the better head to go with ,After seeing a couple combos in use, and saw that they had changed heads, from RPM to a Pro comp style Victor jr head , saw that they was not much of any pick up, over the same set of heads I now have, would the Indy heads be any better for a 500cu, ???