hello again, I have an 88 gt speed-density, I have A9L, and pigtail, bbk 75mm on t.body, on intake, stock inlet pipe from mass-meter, my que's are what type m.m. should I use, its all stock, there is a 70 mm cobra 93 meter for sale on e-bay , calibrated to 19 lbs they say, I went up to 60 max bid, but I have seen many more for way cheaper, heck I have a 76mm for 38 lb inon the shelf back there, I would like to up-grade heads/ cam , but not right now , what size meter should I buy thanxs Rick,