360 heads rocker arm question

Sorry its been so long we got it all together fired it up and it started heating up just like the 318 ( we think the problem was that it was 180 out) so we put the heads in the machine shop and the engine just to get looked at a few months ago, now we are taking our time puttig it back in the car, we have exhaust, tranny, and motor mounts bolted up just need to bolt everything on the top (manifold, ac (necessity in Sacramento), power steering, etc.) I'll keep you all posted