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emo Harry Hockly ECU Identification

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31 Jan 2014 20:22 #20679

Can anyone out there who has had one of these or seen one up close let me know if they are easily identified? Were they some kind of modded standard box or was it an aftermarket type?

Many thanks

Last Edit: 31 Jan 2014 20:23 by clutchslip.

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31 Jan 2014 23:43 #20683

Modified stock ecu as far as I am aware.

I seem to remember they look identical to the standard ones. The only way I could tell the difference between the two ecu's was to fit it to the car and go for a blast ... The HH ecu would rev to over 10k rpm, I think the std ones have a rev limit of around 9k?

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04 Feb 2014 10:10 #20719

Hi I have a DRS ecu for the avanzato trxx r4 its identical to the original ecu on the outside,and fits straight on the eng loom.The rev limiter is removed and the speedo if cable fails which was common doesnt put on EML on.Fueling is different and you can alter boost to a very high limit without fuel cut.My avanzato is so quick power flow exhaust,cat removed and itg air filter.Makes me smile :lol:

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04 Feb 2014 20:56 #20723

Thanks very much for the input. Mick do you know if the Hockly unit was really just a DRS supplied ECU?

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05 Feb 2014 09:11 #20730

Im sure they was built by daihatsu to get full potental out of the engine without causing engine :evil: failure

The following user(s) said Thank You: clutchslip

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16 Feb 2014 12:06 #20825

I wonder why they removed the revlimiter ? Is there any difference in fueling/ignition at the same level of boost etc, or does it just provide extra mapping for higher boost ?
Im thinking perhaps they removed the revlimit to allow the driver to stay in gear longer for corners etc rather than for power?
Has anyone ever had one of these back to back on a rolling road?

Last Edit: 16 Feb 2014 12:11 by xchipx.

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16 Feb 2014 18:23 #20828

My old R4 revved beyond 10K and I never hit a limiter and AFAIK it didn't have a Challenge ECU :blink:

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15 May 2014 07:25 #21544

How hard are aftermarket ecu's to come by?

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15 May 2014 22:37 #21557

The Hockley ones? Depends if you know anyone who might have a username of Avanzato who has one he might get rid of...

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16 May 2014 16:14 #21564

What do they go for on average

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