Hi I purchase 42lb/hr injectors and I have a C&L 73mm mass airl flow meter. When looking at sampling tubes I noticed for 87-93 mustangs the green tube is the biggest made and it says for 38lb/hr injectors, but on a 93 cobra the same size mass air everything, green tube is for 42lb inj. so will this green tube work for 42lb inj on my 91?