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tuning_resources:aftermarket_ecu [2021/08/05 09:57] – bentuning_resources:aftermarket_ecu [2026/04/14 12:27] (current) – ben
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 [[:tuning_resources:aftermarket_ecu:megasquirt|Megasquirt]] [[:tuning_resources:aftermarket_ecu:megasquirt|Megasquirt]]
  
-[[:tuning_resources:aftermarket_ecu:holley_dominator|]] +[[:tuning_resources:aftermarket_ecu:holley_efi|]]
- +
-Holley HP EFI+
  
 [[:tuning_resources:aftermarket_ecu:haltech|]] [[:tuning_resources:aftermarket_ecu:haltech|]]
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 ^ ^Stock PCM^MegaSquirt^[[https://www.haltech.com/product/ht-051100-platinum-sport-plug-in-gm/|Haltech Sport]]^Haltech Elite 750^Haltech Elite 2500^Holley HP EFI^Holley Dominator| ^ ^Stock PCM^MegaSquirt^[[https://www.haltech.com/product/ht-051100-platinum-sport-plug-in-gm/|Haltech Sport]]^Haltech Elite 750^Haltech Elite 2500^Holley HP EFI^Holley Dominator|
 |Cost of ECM|~$100 - $300 for tuning tools|~$600|$1,187|$1,200 for ecu alone|$1,950 for ecu alone|$1,433|$2,300| |Cost of ECM|~$100 - $300 for tuning tools|~$600|$1,187|$1,200 for ecu alone|$1,950 for ecu alone|$1,433|$2,300|
-|Cost of Wiring Harnesses| | |Uses factory 3800 harness|extra $224 for premium harness|extra $255 for premium harness| \\ ~$700 \\ Can buy as a kit \\ |>$700 \\ Harnesses sold individually|+|Cost of Wiring Harnesses| | |Uses factory 3800 harness|extra $224 for premium harness|extra $255 for premium harness| \\ ~$700 \\ Can buy as a kit|>$700 \\ Harnesses sold individually|
 |Ease of harness install for 3800|Plug and Play|Requires custom harness|Plug and Play|Requires custom harness|Requires custom harness|Requires custom harness|Requires custom harness| |Ease of harness install for 3800|Plug and Play|Requires custom harness|Plug and Play|Requires custom harness|Requires custom harness|Requires custom harness|Requires custom harness|
 |Ease of use|Moderate|Difficult|Easy|Easy|Easy|Easy|Easy| |Ease of use|Moderate|Difficult|Easy|Easy|Easy|Easy|Easy|
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 |Internal Data Logging|no| | |yes|yes| |yes| |Internal Data Logging|no| | |yes|yes| |yes|
 |Known Oddities| | | | | |can't use external battery charger with ECU connected|can't use external battery charger with ECU connected| |Known Oddities| | | | | |can't use external battery charger with ECU connected|can't use external battery charger with ECU connected|
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