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Old 02-09-2013, 01:36 PM   #1
zukgod1
 
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Trans control and 5.9/6.7 swap

Are there any changes that we can make with EFI Live?

I'm not looking for a race application here but I would like to change some of the behavior.

Second part for the question.

I have a 5.9 truck with a swapped 6.7 running 5.9 ECM ect.
Having a weird cold start issue and was told I should get a 6.7 ECM to fix it.

I was thinking about getting a 6.7 ECM and harness then using EFI to tune it.
My concerns are in the security areas (if there are any).

Is what I'm talking about feasible or am I up in the night?
Will I have to have the ECM flashed from the dealer before I can do anything?

I would be getting a used ECM, thinking that would be best.?

Thanks
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08 F-350 King Ranch, 6.4, H&S. EGR and DPF delete, 5" exhaust and THAT'S IT! Well, aside from wheels/ tires and a leveling kit. Tired of broken crap.
 
Old 02-09-2013, 04:54 PM   #2
3brorce
 
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The 5.9 and 48re there is some trans adjustability. shift firmness is through the valve body. EFI can adjust some shift points, lock-up speed and TTVA actions.
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Old 02-09-2013, 05:01 PM   #3
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Cold start issue from the 6.7 injectors? Just wondering as I don't have any issues with mine, yet I'm running 5.9 injectors.
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Old 02-09-2013, 05:14 PM   #4
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Quote:
Originally Posted by icemanjc1 View Post
Cold start issue from the 6.7 injectors? Just wondering as I don't have any issues with mine, yet I'm running 5.9 injectors.
I just kept the injectors that were with the block. It runs fantastic but it has a stumble on start up. Blows unburnt fuel out the tail pipe for maybe 5-10 seconds then like a switch is flipped it smooths out.

I did lots of reading before this swap and didn't find anything about funky starting on any of the current swaps.

Someone suggested I use a 6.7 ECM so I'm exploring that now.

I had thought about running 5.9 injectors but the bowls are different between 5.9/6.7. I'm sure there are some 5.9 tips with the tighter pattern I just didnt look as this engine only had 35 k on it.
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COMPETITIONDIESEL.
08 F-350 King Ranch, 6.4, H&S. EGR and DPF delete, 5" exhaust and THAT'S IT! Well, aside from wheels/ tires and a leveling kit. Tired of broken crap.

Last edited by zukgod1; 02-09-2013 at 05:16 PM.
 
Old 02-09-2013, 06:15 PM   #5
'strokeThis_'07
 
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I see no reason to go to a 6.7 ECM. I have no starting problems with my swap, it runs just like a 5.9. I think you have another issue

The 03-early 04 injectors are 143* vs 146* (I believe) for 6.7, basically the same spray pattern. I run the 5.9 injectors
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Old 02-09-2013, 07:00 PM   #6
zukgod1
 
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Quote:
Originally Posted by 'strokeThis_'07 View Post
I see no reason to go to a 6.7 ECM. I have no starting problems with my swap, it runs just like a 5.9. I think you have another issue

The 03-early 04 injectors are 143* vs 146* (I believe) for 6.7, basically the same spray pattern. I run the 5.9 injectors

Thank you for the confirmation. This is what I found on every swap.

Maybe swapping in the 5.9 injectors would be the way to go.
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COMPETITIONDIESEL.
08 F-350 King Ranch, 6.4, H&S. EGR and DPF delete, 5" exhaust and THAT'S IT! Well, aside from wheels/ tires and a leveling kit. Tired of broken crap.
 
Old 02-10-2013, 02:48 AM   #7
icemanjc1
 
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As far as trans control, when you swap to a 6.7 ECM, you lose the ability to control the a 48RE unless you already have a PCS controller+Valvebody. just a thought..
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Old 02-10-2013, 09:11 AM   #8
zukgod1
 
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Quote:
Originally Posted by icemanjc1 View Post
As far as trans control, when you swap to a 6.7 ECM, you lose the ability to control the a 48RE unless you already have a PCS controller+Valvebody. just a thought..
That my friend is something I had not thought of.

Looks like I may just need to change to 5.9 injectors.

sent from my mobile thingy while picking my nose.
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