Figuring out injector grouping

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christopher1968
Posts: 2
Joined: Tue May 10, 2016 1:28 pm

Figuring out injector grouping

Postby christopher1968 » Tue May 10, 2016 1:45 pm

Working with a Haltech Sprint and can not figure out how to group the injectors of my Ford 5.0 HO (firing order 1-3-7-2-6-5-4-8) where is the information? I don't see it on the schematic, only the four injector drivers. Wanting to run semi sequential using the PIP from the TFI module in the distributor as CMP and trigger the MSD box from the Haltech IGN 1. Thanks.

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HaltechMatthew
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Re: Figuring out injector grouping

Postby HaltechMatthew » Wed May 11, 2016 4:06 pm

Because it is not full sequential it is not critical how you group them. Some pair them with cylinders next to each other, others with cylinders opposite each other in the firing order. In the end you still will have at least half your cylinders on time and half off time no matter what way you wire it.

christopher1968
Posts: 2
Joined: Tue May 10, 2016 1:28 pm

Re: Figuring out injector grouping

Postby christopher1968 » Fri May 13, 2016 12:55 pm

OK, thank you. I will figure out which two cylinders are up (compression for one and exhaust for the other) and pair them that way.

SONofSUN
Posts: 47
Joined: Mon Jan 27, 2014 4:32 am

Re: Figuring out injector grouping

Postby SONofSUN » Wed May 18, 2016 10:01 pm

christopher1968 wrote:OK, thank you. I will figure out which two cylinders are up (compression for one and exhaust for the other) and pair them that way.


I think that would be

1 & 6
3 & 5
4 &7
2 & 8


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