I like the water injection, if this works out I might look at putting it in mine

I'm surprised you didn't buy the RB Water Injection kit :)
https://www.rbracing-rsr.com/waterinjection.html

Knightrous
I'm surprised you didn't buy the RB Water Injection kit :)
https://www.rbracing-rsr.com/waterinjection.html

Valid point. Same reason why I didn't go for a "top brand" system: Short answer : not cost effective (which is one of the principles of my build).
The only systems I do not financially compromise on are safety systems, hence why the amount I spent on safety could've got me another MR2 basically :)