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06-26-2006, 10:10 AM #1
- Join Date
- May 2006
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Difference between RR Race EDU and Stock class ECU
Can someone please tell me what the difference is between the two ECU'S from Rotax
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06-26-2006, 10:37 AM #2
8600 RPM rev limit on Race ECU
8500 Rev limit on stock class ECU
Stock Class ECU is legal for those racing in "Stock Class" racing.
Both have more aggressive timing/fuel curves over stock ECU's.
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06-26-2006, 10:51 AM #3
What else does the stock class ECU do for speed and acceleration Jerry? Im kinda being bit by the speed bug
What improvements will I see from my current setup? Top speeds?
Sorry to hijack the thread!
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06-26-2006, 10:58 AM #4
The stock class, just like the Race ECU will deliver much better acceleration as well as top speed.
The stock class ECU is probably a better choice to those who dont wish to do head work, lightened valves.
There are many here running the stock class ECU so maybe they will offer some input.
Also, i have a customer in Puerto Rico running the stock class and he's doing 80+ in the heat
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06-26-2006, 11:01 AM #5
I will need another re-pitch right?
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06-26-2006, 11:38 AM #6
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06-26-2006, 12:38 PM #7
- Join Date
- Jan 2006
- Location
- Puerto Rico
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- 691
Originally Posted by Green Hulk
show up in the mail today
Stock class RR (4502) ECU = more acceleration, midrange and top end speed with the (right pitch)
Ray
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06-26-2006, 07:31 PM #8
Hey Ray any of your friends have any that are not in use?
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06-26-2006, 08:20 PM #9
- Join Date
- Jan 2006
- Location
- Puerto Rico
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- 691
Originally Posted by GeoRXT
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06-26-2006, 10:19 PM #10
Whats the difference? I want the stock class, but dont know about this reflashed ECU's...?
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