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Whipple Upgrade for 525efi

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Old 01-14-2012, 12:59 PM
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Ok I'm an !diot, I read the op got it as a question regarding the calibration of an sc setup. Have no exparience with the ecu upgrades other than on 496's. Works fine, but not a lot of top end improvement. Don't know if the same will be the case on the 525EFI. On the 496's a thermostat change is needed.
LOL,,,,not at all,,,,Ive done selective reading as well !!!!!
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Old 01-14-2012, 01:14 PM
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LOL,,,,not at all,,,,Ive done selective reading as well !!!!!
Haven't we all?
In fact... My whole educational experience was done with selective reading
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Old 01-14-2012, 05:12 PM
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Haven't we all?
In fact... My whole educational experience was done with selective reading


Love it but so true!

And some of these threads are so long, and get derailed so many times you have to use selective reading!

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Old 01-14-2012, 08:27 PM
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i was told most merc calibrations are too rich?!?
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Old 01-14-2012, 08:47 PM
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i was told most merc calibrations are too rich?!?
Too rich or just some built in leeway? I wouldn't do this and then have to buy 91 octane which can be hard to find at the gas docks. And it is only about 25-30 hp and 1-3 mph, probably about 1 mph for most of us. It might be a neat trick for sealed 525 racers, if legal, but doesn't sound good for a recreational boat. I will pass on it and recommend that you do too.

Now the whipple kit is intriguing but I'll have to wait until my money tree sprouts another 20-30 grand.
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Old 01-15-2012, 09:01 AM
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i was told most merc calibrations are too rich?!?
The 2004's were. There was a reprogram on later models to get rid of a transom sooting issue.

Of course with todays fuel,,,,I think Id rather have that tune back

This is more the a fuel map change though
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Old 01-16-2012, 11:00 AM
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Raising the rev limit? May want to read this:

http://www.mercuryracing.com/blog/wh...ts-are-limits/
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