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Old 04-19-2022, 07:55 PM
Paraman1 Paraman1 is offline
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Default Difference between Holley Terminator LS and Terminator X LS?

I am trying to figure out what the difference between the Holley EFI Terminator X part number 550-903 and the Holley Terminator LS MPFI kit part number 550-608 are?
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Old 04-19-2022, 08:21 PM
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Tinker Tinker is offline
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The 550-903 uses the terminator ecu or xmax ecu that will also control single wire DBW throttle and electronic transmission control.
The 550 608 appears to use a hp ecu.
Double check what ecu is included with the kit you choose.
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Last edited by Tinker; 04-19-2022 at 08:36 PM.
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