If your getting the vehicle mapped standard fpr is fine. If your trying to get around not mapping it then a rising rate is a crude way of getting fueling but you will need a air fuel ratio sensor to set it up properly to make sure its not going to run lean or to rich. As for the injectors id say they are too small altho I'm sure someone would argue they're ok. but considering you can get a set of 6x Bosch greens new for £175 on ebay now it won't break the budget to look into a new set. Altho again people have there own ideas of whats good and whats not. Depends on your power goals. Also look i