free to all.... http://www.badongo.com/cfile/1466909 after going to the above link, go to the bottom of the page and wait 45 seconds for it to load, then download the zip and extract
ive been using this one for a while, its ok. but it wont let you do 3v heads,and dont use the preset head flow numbers theyre crap,just find the numbers for the heads online and input them. And the forced induction is pretty outdated and it only lets you run a single power adder.
I agree completely with maverick75. If you don't enter your "real" numbers, the output is pretty skewed. But if you share heads with a buddy, you can send your file over to him and he can change his cam numbers (or whatever is different on his car) and you can save some time.