Smart.
OP has so many opinions that range from 'on the money' to 'vicarious spending', 'in case it rains' 'room to grow'...that's my favorite line of all time... and you know if that was true..we would have all bought family trucksters when we were 20's & single.
.500 cam, I made about 400, 392hp with a set of stock x heads and a .528 solid that ends up more like .490 something after push rod angularity and the factory's slightly inaccurate rocker ratios...so I dont see even remote necessity for an aluminum head 20cc bigger port volume than stock and that needs more $ go through.
1.94/1.60 valve 360 heads, blended and milled to 65cc , about .025- .030 milled off and some comp 901 springs.
Bolt on and go, no $tripped thread$, no aftermarket bolt$.
Should be a slam dunk, 1 page ..but here we are, talking about 1600 heads on page 2 .lol
If the 308/j x etc were ported right, about stage 2, the next head to move to would be the cnc shocker 185, or and then trick flows.
Op buying promaxx is like a 75 yr old man buying air jordans ...jmo
