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ECU flash options?
#13331832
11/04/19 04:00 PM
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Joined: Jan 2015
Posts: 1,982
bassmanrudy
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jan 2015
Posts: 1,982 |
So I'm looking into getting my ECU flashed to bump HP some. Mercury 90HP 2 stroke. Not sure the exacts til I look but it's an Optimax something.
Has anyone been successful in doing an ECU flash on a 2 stroke and if so who did you use?? So much stuff online but honestly not helpful. I've sent several emails to those companies but usually get a "no" reply pretty quick.
Thanks for the help!
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Re: ECU flash options?
[Re: bassmanrudy]
#13332028
11/04/19 07:20 PM
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Joined: Aug 2006
Posts: 7,182
steve@S2Marine
TFF Celebrity
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TFF Celebrity
Joined: Aug 2006
Posts: 7,182 |
check with Eric at simmon motor sports. he's your best bet for that engine flash
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Re: ECU flash options?
[Re: bassmanrudy]
#13332381
11/05/19 01:44 AM
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Joined: Jan 2015
Posts: 1,982
bassmanrudy
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jan 2015
Posts: 1,982 |
Thanks for the recommendation Steve! I talked to Simmons(some girl as Eric wasn't around) and she said they could flash it to 120HP from the 90. That's a 30HP increase which I would hope equals a 5-10 mph increase and better fuel economy by running at a lower rpm when not in a tourney. The boat is rated to a 135 so not overpowering it or anything.
Doing some math based off formulas online- current boat "loaded(estimation with fuel/gear)" is 2600lbs ÷ 90 = 29lbs per 1 HP Upgraded motor added in- 2600lbs ÷ 120 = 21.6lbs per 1 HP.
$675 ÷ 3 = $225 per 10HP gained.
Might have to reprop from a 19P to a 21P but that is still TBD.
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Re: ECU flash options?
[Re: bassmanrudy]
#13332994
11/05/19 04:41 PM
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Joined: Aug 2006
Posts: 7,182
steve@S2Marine
TFF Celebrity
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TFF Celebrity
Joined: Aug 2006
Posts: 7,182 |
the re prop (up in pitch) is where the increased speed will come from.
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