Marty I run 180 air and 150 fuel on mine runs well ( wolf creek racing) has a good pamphlet for $10-$15 on setting it up. I found them very helpful and there are ports on the manifold for vac advance. aaron
Sweet ride I'm also doing a turbo swap in the 260. If I can't drive it in 2' of snow the next best thing is wrenchin. Aaron 71 240z (1/71) 74 260Z (turbo project)