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Engine upgrade questions

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Old May 22, 2023 | 06:36 PM
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Gblair88's Avatar
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Default Engine upgrade questions

I'm looking into stroking the efi 302 to a 347 and keep the efi. When I change out the injectors do I need to change or reprogram the ecm? Anyone know? Looking to go with about 42 or 46lb injectors.
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Old May 23, 2023 | 08:28 AM
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Gblair88,
Hit and ask the same question on
StangNet.com, There are a bunch of tuners on there for their Foxbodies.
I am a factory guy and would go as low on the size and the pressure as you can
I hear those guys chime in with their never-ending problems.
They often have trouble with their tunes after doing what you have planned
Some have made the switch to Holley Pro-jection et al. (or others)
The A9L processors do have limitations
How savvy are you mechanically is a question
If savvy, it will be no problem for you, there is a lot to it
007
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Old May 23, 2023 | 11:09 AM
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thanks you ill check them out. Im also in contact with a tuner locally around here. they just got back with me today. they are a big deal with things around where i live. i need to upgrade to a 89 or newer maf or change out the ecm. im going to call when i run out to lunch today.
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