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Holley EFI PCM ( Dominator and HP)

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Old Jan 19, 2019 | 09:18 AM
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Default Holley EFI PCM ( Dominator and HP)

I’m on the market for a Holley PCM, my question is what make a Holley PCM a 24X or a 58X.
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Old Jan 19, 2019 | 09:46 AM
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Originally Posted by ly6
I’m on the market for a Holley PCM, my question is what make a Holley PCM a 24X or a 58X.
You select that when setting the tune up, it can do either
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Old Jan 19, 2019 | 09:48 AM
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Originally Posted by squarles67
You select that when setting the tune up, it can do either
So it more the engine harness you chose that make it a 24x or 58x?
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Old Jan 19, 2019 | 10:02 AM
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Yes, see page 12 of the wiring manual https://documents.holley.com/techlib...10555rev17.pdf
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Old Jan 19, 2019 | 01:54 PM
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Originally Posted by ly6

So it more the engine harness you chose that make it a 24x or 58x?

You just choose it in the software...your harness has to be correct for 24x or 58x but the same holley ecu can do either one. Feel free to call us on Monday or email us and we can spec you out a holley system.
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Old Jan 20, 2019 | 10:53 AM
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Thanks every body for helping! I’m in vacation in Los Angeles CA for 2 day, then travel to Las Vegas NV for 4 day, then travel to Phoenix AZ for 3 day all by car. If any one have or see a great deal on a Holley HP or Domminator new or use. If you have something in those area PM me and I will contact you for pick up.
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Old Jan 28, 2019 | 01:34 AM
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Originally Posted by ly6
I’m on the market for a Holley PCM, my question is what make a Holley PCM a 24X or a 58X.
Close this post. Thanks!!!
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