I know this has probably been answered, but I can't seem to find any real numbers. I have a 1973 240z I am restoring. I have the numbers matching L24 and E88 head. I have a stage 2 cam, ported and polished, and L28 valves in the E88 head. I am going to put Z therapy SUs on it that I already have. I would like to put triples on in the future some time if I need to. I also have an F54 non turbo engine I can use. Both I have to rebuild and will cost the same amount of money. What kind of horse power increase would I get with the F54? I have a type 2 280zx 5 speed transmission and rear end. And what kind of pistons would you guys recommend buying? I found a local supplier with old stock ACT Japanese pistons, but I haven't found any information on them. Thanks for your help!
Erik
Oklahoma
1973 240z