I've been playing around with the free AI the last week as it's scorching hot down here and everywhere else too. Anyway it's pretty neat plugging in numbers and seeing the supposed results. My main goal is to eventually figure out my P90 head I bought for $25, yeah that's right twenty five dollars 😁, hopefully what valve length and lash pads I'll use and how much to cut for the Schneider cam kit I bought many years ago. I don't think it's my cam though, just a core I sent in but it has high lift so I'll be using the Viton Ford valve seal as the OEs would get squished.

@Diseazd has given me some advice also to go along with the P79 and P90 modifications Datsun garage provides.

https://datsunzgarage.us/p90/

Hi Site……If you shave .080 inches from your P90 head, you’ll have to jack up the cam towers .080 inches too. You use the early 280 valves which are approximately .080 inches longer. With this set up, you don’t need the shorter valve seals……they are used when the L24 head uses a cam with .460 or more lift which would squash those seals. If you decide to do that, let me know and I’ll put you in touch with Eiji at Datsun Spirit…..he has everything you need to build that head. He has a ton of Isky Stage III cams also. If you just send him your head, he’ll build you a piece of art. Nice buy for $25.00.