injector upgrade needed ?? March 04, 2009, 06:24:34 PM ok so my 91 has a e303 cam 1.6 roller rockers larger throttle body and maf (can rember the sizes off the top of my head) and a stock fuel pump I think. and stock injectors when Im parked it smells very rich but when i romp in it just sits there for a sec or 2 also i dont know if it was tuned after the new maf and cam could that be it Quote Selected
injector upgrade needed ?? Reply #1 – March 05, 2009, 01:17:28 AM I bet your problem is caused by an improper/unknown MAF. Stick the stock one on and I bet it'll run much better... Quote Selected
injector upgrade needed ?? Reply #2 – March 05, 2009, 06:42:45 AM No e-cam and e7 head 5.0 will need more than 19's-- N/A anyway.... What gears are you running and is this an auto trans equipped car?Quotelarger throttle body and maf (can rember the sizes off the top of my head) and a stock fuel pump I think. and stock injectorsNo thinking, no guessing. You want help; give us the info we need in order to assist you in correcting your issue. Otherwise you leave a lot more up to chance and when you get the wrong answer because the info provided is incomplete or incorrect. Quote Selected
injector upgrade needed ?? Reply #3 – March 05, 2009, 07:02:44 AM I have an E cam,Mass Air,1.6' rollers,and more,andd the 19# injectors are doing great. Quote Selected
injector upgrade needed ?? Reply #4 – March 05, 2009, 10:24:33 AM 70mm tb(bk) 73mm maf (ford)I will look tonight at my fuel pressure also it is a aod car with 308gears im going to swap in a m5r2 and and a tri-lock with 3:27 in the next few months Quote Selected
injector upgrade needed ?? Reply #5 – March 05, 2009, 01:27:58 PM Quote from: pegasus;25967970mm tb(bk) 73mm maf (ford)I will look tonight at my fuel pressure also it is a aod car with 308gears im going to swap in a m5r2 and and a tri-lock with 3:27 in the next few monthsWhat Ford came with a 73mm MAF? It *could* be a C&L MAF. If it's not a C&L 73mm MAF then the MAF is more than likely your problem. The ONLY FACTORY MAF that will interchange with the 55mm MAF found stock on 89-93 5.0 Mustangs and 91-93 5.0 T-birds is a 70mm MAF housing and sensor (with part number F2VF) from the following cars:92-94 Crown Vic, Grand Marquis, and Town Car94-95 Mustang V6 or V8 Quote Selected
injector upgrade needed ?? Reply #6 – March 05, 2009, 02:59:56 PM Quotealso it is a aod car with 308gearsAOD + E-Cam = Need for more gear/stall.If you're dead set on swapping the M5R2 in don't worry 'bout the stall on the AOD so much but the gear swap should be paramount. Quote Selected
injector upgrade needed ?? Reply #7 – March 05, 2009, 04:43:01 PM What was the original ? 70mm TB is way to much for your set up.Back off of that and 19's will be fine. Quote Selected
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