you just read it basically, the mods he has done basically = a stock motor... As far as your a/f ratio, lean it out when you get some management and you will be able to see a few more horses out of it. You may be able to advance the distributor and if you get management, you maybe able to advanve the ingition maps and fuel maps to get a few more horses out of it.. looks good, grab the right plug wires up for it and dont tear it down to rebuild, unless you do it RIGHT.