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ECU re-mapping/program vs Piggyback Chip
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<blockquote data-quote="fabianyee" data-source="post: 199597" data-attributes="member: 6"><p>MOTEC and HALTECH are stand-alone ECU... and you can play with all the variables with stand alone ECU without having the stock ECU in the equation. </p><p>With Piggyback ECU, the stock ECU is still required to manage the engine. So I don't quite understand why are you bringing in MOTEC and HALTECH into the discussion, unless you got confused. </p><p></p><p>with chip mapping, you can change the fuel map and the ignition map just like what you can do with piggyback ECU. If there isn't any existing ignition map in the stock ECU chip, then the piggy-back ECU will not be able to change the ignition timing. Piggyback ECU can change A -> B, but if A is not present, then you can't have B.</p></blockquote><p></p>
[QUOTE="fabianyee, post: 199597, member: 6"] MOTEC and HALTECH are stand-alone ECU... and you can play with all the variables with stand alone ECU without having the stock ECU in the equation. With Piggyback ECU, the stock ECU is still required to manage the engine. So I don't quite understand why are you bringing in MOTEC and HALTECH into the discussion, unless you got confused. with chip mapping, you can change the fuel map and the ignition map just like what you can do with piggyback ECU. If there isn't any existing ignition map in the stock ECU chip, then the piggy-back ECU will not be able to change the ignition timing. Piggyback ECU can change A -> B, but if A is not present, then you can't have B. [/QUOTE]
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