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Chipping Marine Engines

ozskiozski Posts: 1,706
I'm surprised we don't hear much chip tuning on marine engines given the importance of performance. . From a personal perspective I'm more than happy to run with a factory spec boat but it does surprise me that you don't hear much of anyone active in the ski boat market. Chip tuners seem to be everywhere else for better or worse...
'Ever tried. Ever failed. No matter. Try Again. Fail again. Fail better.'' 2021 MC As soon as it lands Ski - KD Platinum


  • fox197fox197 Posts: 107 Baller
    Different ecu programs. And due to being hard to dyno tune without putting on a standalone engine dyno it would be a fairly in depth process to get a file spot on by trial and error testing just for one type of motor. Not saying it couldn't be done. And the market is probly not the biggest in the grand scheme of things
  • DanEDanE Posts: 926 Crazy Baller
    No point in chip tuning an engine that is not turbo charged.
  • oldjeepoldjeep Posts: 3,686 ★★★Triple Panda Award Recipient ★★★
    edited May 2015
    Hard enough to just get an mefi scan tool at a decent price, although what you are talking about does exist for some versions
    5&6 seem to be scan only so far, no burn
    Chuck P
    Not a mechanic but I play one at home
  • DWDW Posts: 2,250 Mega Baller
    @ozski: My experience with tourney ski boat engine projects is that almost all owners are satisfied with what the Marinizer provides, just a tiny group considers modding their engine or boat itself.
  • WayneWayne Posts: 527 Solid Baller
    There are 2 sides to this. 1) trying to improve on what was done the the base package with no hardware changes and 2) adjusting the ECM calibration to support hardware changes.

    For option 1 there is very little gain in that area with out starting to step on robustness/durability of the engine. As oldjeep pointed out the tools are costly and the HP/$ gain is not favorable.

    For option 2 if you are serious about a performance marine application and want to stay fuel injected the options for an open ECM are plentiful and more cost effective then dealing with the OEM ECM.

    I think the reality for the ski community is if given the choice between spending $1k on more HP or a better ski most of us would jump at the ski.
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