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| | | 5.0 Firing order | Joined: Apr 2012 Posts: 753 old hand | OP old hand Joined: Apr 2012 Posts: 753 | I know the firing order is different between a non-H.O. 302 and the H.O. 302 and 351. Is the change in injector pulse order built into the wiring harness or the ECM? Working on an engine build and just trying to figure out what parts I should start trying to find.
When Chris Farley talked about living in a van down by the river, did anybody else think that wasn't such a bad idea?
| | | Re: 5.0 Firing order | Joined: Aug 2001 Posts: 12,107 Likes: 37 Maniac | Maniac Joined: Aug 2001 Posts: 12,107 Likes: 37 | ECM. DO NOT TRY AND CHANGE INJECTOR FIRING ORDER BY SWAPPING THE TERMINALS ON THE INJECTORS. Sorry, I needed to type that in all caps to make sure you heard me. See here: http://www.oldfuelinjection.com/?p=92
Windows- they're what make a van worth owning! | | | Re: 5.0 Firing order | Joined: Apr 2012 Posts: 753 old hand | OP old hand Joined: Apr 2012 Posts: 753 | So that would mean going to a Mustang e-cam which is designed for a 5.0H.O., I would need to get a computer for a Mustang with an AOD to match my 91 Econoline 5.0 non H.O. and AOD to switch the injector order. And of course swap the plug wires on the cap.
When Chris Farley talked about living in a van down by the river, did anybody else think that wasn't such a bad idea?
| | | Re: 5.0 Firing order | Joined: Aug 2001 Posts: 12,107 Likes: 37 Maniac | Maniac Joined: Aug 2001 Posts: 12,107 Likes: 37 | Or you could get something like a TWEECER or Quarterhorse and change the firing order in the ECU.
I suppose the pertinent question is why are you having to change the injector firing order? If you are rebuilding a motor, just pick a cam that matches the firing order currently programmed into your ECU.
Windows- they're what make a van worth owning! | | | Re: 5.0 Firing order | Joined: Apr 2012 Posts: 753 old hand | OP old hand Joined: Apr 2012 Posts: 753 | Did not know how involved the tweecer was. The h.o./351 firing order is more naturally balanced. Just using the e cam as example. A tweecer will probably be a must have. Planning on a mild cam and decent heads and maybe the edelbrock truck efi intake with a stout rotatig assembly in a ford racing boss 302 block. Once everything seems happy and I like the setup, will start piecing together components for a remote turbo. I know turbocharging(hence the name) but will be learning fords efi setup.
When Chris Farley talked about living in a van down by the river, did anybody else think that wasn't such a bad idea?
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