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Gt40 ECM hope

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kylem428 View Drop Down
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    Posted: April-29-2017 at 12:46am
For all the gt40 guys out there - it seems a workaround has been found for the lack of replacement ecm's. props to vanhanbr on PN for finding the fix!PN gt40 ecm fix thread
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jonny Quest Quote  Post ReplyReply Direct Link To This Post Posted: April-29-2017 at 1:44am
Interesting read on PlanetNautique...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JD ski Quote  Post ReplyReply Direct Link To This Post Posted: April-29-2017 at 2:58am
Read that tonight also, very interesting. I do not know much about computer stuff but this does not sound hard to do with the right tools. Vanhanbr has done the hard work.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gun-driver Quote  Post ReplyReply Direct Link To This Post Posted: April-29-2017 at 1:08pm
This is great news as I believe this may get us one step closer to adding HP options to these motors.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JD ski Quote  Post ReplyReply Direct Link To This Post Posted: April-29-2017 at 2:18pm
That was my thought also. A little tweaking might result in some more HP/torque or both.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sport1999 Quote  Post ReplyReply Direct Link To This Post Posted: July-29-2017 at 7:15pm
Some progress being made on the ECM copy. Anyone on here following this thread? Comments?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: July-29-2017 at 8:24pm
Sounds like a done deal.

Quote from PN 6 days ago by Kmarine
Just ran the boat on the water with the c1a1 computer and the moates chip with the e290 file. Boat ran excellent. thank you all for your contribution. If it was not for this tread and everyone who shared their expertise we would not have a solution for ecm replacement. Hope this helps many GT40 owners for years to come.

Looks to me like a few people put a lot of time,effort and ingenuity into this and came up with something that works as good as the original
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jonny Quest Quote  Post ReplyReply Direct Link To This Post Posted: July-29-2017 at 9:51pm
That's what I love about the CC community.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: August-20-2017 at 6:14pm
Just fired mine up in the driveway with my ebay c1a1 computer and the moates chip programed with the e290 file. Runs the same and will try a water test later. Thanks to all the guy's on Planet Nautique who figured this all out.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Donald80SN Quote  Post ReplyReply Direct Link To This Post Posted: August-20-2017 at 6:46pm
Originally posted by Gary S Gary S wrote:

Just fired mine up in the driveway with my ebay c1a1 computer and the moates chip programed with the e290 file. Runs the same and will try a water test later. Thanks to all the guy's on Planet Nautique who figured this all out.


Gary,

Did you loose your original ECM on your Super Sport Nautique? It sounds like you are ok now, but that could of been a big problem.

Donald
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: August-20-2017 at 7:32pm
I guess I could have worded that better Don. No I did not just wanted a spare. Wanted the latest tune,the 300, but some issues were still being had with it. Maybe later I could just have another chip burned when it all works out.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Donald80SN Quote  Post ReplyReply Direct Link To This Post Posted: August-21-2017 at 12:25pm
Gary,

Great, I have now seen you post on Planet Nautique. I too would like to get a back-up ECM built for just in case. I too would like to have the latest (2002) tune. I will keep an eye on that thread and look at gathering some parts.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote tryathlete Quote  Post ReplyReply Direct Link To This Post Posted: August-21-2017 at 12:54pm
Gary, what possible tune improvements could there be for my GT40? It already runs like a champion.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: August-21-2017 at 1:12pm
From what I have read and confirmed when I opened mine up,ours Pete is marked 290 on the ECM. Later ones are the 300 . According to Tim there was a rolling idle ? that was happening and this newer tune was in answer to that. I have no idea what else was done but given time I'm sure someone will be able to "read" it. I'll post a link when I get to a PC
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tryathlete Quote  Post ReplyReply Direct Link To This Post Posted: August-21-2017 at 1:26pm
Yeah some folks report a rolling idle. I've never experienced it but if someone comes up with a replacement that won't break the bank, I'll sock it in my spare parts closet
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: August-21-2017 at 2:57pm
Here is the thread from a tuning site- ecctuning,org
These will be the guy's that will know what their looking at.
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