This looks like a very informative forum and I have a few questions before getting a 460 built. Firstly the engine is going in a 74 Bronco, 456 gearing, C-6 trans.with a 3000 high stall torque converter and shift kit. Summers axles and beefed u-joints. Maybe some Nitrous in the future. This truck will just be a streetable weekend driver for car shows and an occational 4x4 mud drag. And definately want the chevy truck guys to see the tail lights sat nights. I just want a very strong running 460.

I'm not going with alum heads, just the standard D3 type thats been ported and polished. The engine is a D1VE but not sure of the exact year. The heads are from a 1973 Mercury 429. I guess the main question is what type of cam should I use. I was leaning toward the Comp XE284H but not sure if there will be any valve clearance problems. Can roller lifters be used here? I can also go with different pistons if I need to. Not real sure what the CR is.

What year timing chain and gear should be used, I've heard use the early one but how early?? pre-70? I guess this is it for now so, I thank you guys!