ford fe camshaft question

[wrench87]

i am building a 445 fe stroker and i am using mass flo fuel injection i was wondering when a camshaft is ground how is it determined what the firing order will be?. the mass flo uses a 87-93 5.0 mustang computer i believe the fe uses the older ford firing order so i believe i will have to change the injector firing order in the computer with the tweecer. i know the 5.0 cam is different from a regular ford is it the cam that determines the firing order or just the distributor?. the cam i am using is a comp cams made by keith craft
part # 33-000-9 it is a hydraulic roller grind # fb 3112R /3410B hr112+4.
the cam card does not say what the firing order is so i imagine it is the stock fe type. any thoughts?

[philminotti]

Wrench-

When you order a Mass-Flo system from the company, they program the appropriate firing order. Chris Richards asked me what type of engine, and the displacement, and that's all he needed.

phil

[fkemmerer]

Originally Posted by wrench87

i am building a 445 fe stroker and i am using mass flo fuel injection i was wondering when a camshaft is ground how is it determined what the firing order will be?. the mass flo uses a 87-93 5.0 mustang computer i believe the fe uses the older ford firing order so i believe i will have to change the injector firing order in the computer with the tweecer. i know the 5.0 cam is different from a regular ford is it the cam that determines the firing order or just the distributor?. the cam i am using is a comp cams made by keith craft
part # 33-000-9 it is a hydraulic roller grind # fb 3112R /3410B hr112+4.
the cam card does not say what the firing order is so i imagine it is the stock fe type. any thoughts?

Your firing order will be the standard FE order as determined by your CAM. You will wire your distributor (at the cap) to support the standard FE firing order as well. If your mass flo system uses port injection, you may need to adjust your injector wiring to match the FE firing order. The first thing you should do is contact mass flo and see if they have already made this adjustment for you and, if not, how you should go about making the adjustment. If you need to make a change and you can do this in mass-flo's computer, that would be the simplest way to do it. If you cannot change the firing order in the computer, you can change the wiring to the injectors to match the FE firing order. If you bought your system from mass flo for an FE motor, chances are good that they have already taken care of this problem for you.

- Fred

[wrench87]

i am already running mass flo on my current engine 342 stroker, i am using a 93 a3m1 computer and a tweecer rt. i am switching to a 445 fe stroker so i only bought the new parts i needed for the big block, new distributor, new larger injectors 42lb new mass air meter, new ect sensor and a new act sensor, new victor fe efi manifold. i can easily switch the injector firing order with the tweecer, i think it is not reccomended to switch the injector wiring according to ryan at ford fuel injection.com? i am sure chris will send me a tune when i get closer to installing the new engine. chris usually chips his controllers, i bought my system in pieces because i already had all new parts on my original build, and bought things before he was burning chips on his set ups.