EcuDataScan discussion

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Re: EcuDataScan discussion

Postby dwayne » Tue Sep 15, 2009 11:17 pm

parso_rex wrote:The trouble with building it in is that then you are responsible for sorting issues for say when someone comes along and says it doesn't work on my car when you said it would etc etc plus you have to have an example of every vehicle and test it on them and so on as they are virtually all slightly different.
I think the better way is to possibly have an option that allows you or another software capable user the ability to add additional parameters to be logged that way its the end users responsibility and a huge load off the supplier. I hope that makes some sense


hehe, there's a list of development options from back in the beta days, including stuff like analogue gauges and custom audio alarms per parameter. I think Daren is concentrating on the KISS principle, which is a good idea at this point.

I like your idea Mark, perhaps a customisable parameter that simply reads a location in RAM that you specify. Then all we need is a listing of the addresses on a per ECU basis.

Cheers

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Re: EcuDataScan discussion

Postby Ric » Sat Sep 19, 2009 7:26 pm

Has anyone else tried the 0 to 100 km/h performance test?
Do you think it's accurate?
On my first serious try, I beat the official 7.0s time for my car. :?

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Re: EcuDataScan discussion

Postby GTB Liberty » Sat Sep 19, 2009 7:56 pm

Ric wrote:Has anyone else tried the 0 to 100 km/h performance test?
Do you think it's accurate?
On my first serious try, I beat the official 7.0s time for my car. :?

Img_5441a.jpg


6.5 flat :-P I was amazed! Stock car - honest.

PS - nice wallpaper :)
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Re: EcuDataScan discussion

Postby Ric » Sat Sep 19, 2009 8:45 pm

What's the official time for the '08 SpecBGT? Carsales.com.au doesn't list one.

Here's some wallpapers:

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Re: EcuDataScan discussion

Postby smythie » Sat Sep 19, 2009 10:29 pm

should we be talking to James about using these in the ECUDatascan units?
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Re: EcuDataScan discussion

Postby GTB Liberty » Sun Sep 20, 2009 11:14 am

With just 185kW/339Nm on tap, the Subaru is outgunned on power and torque and probably won't match the acceleration of its six-cylinder rivals. Nevertheless, the all-paw sedan slingshots off the line and pulls strong and smooth to stop the clock at 7.0sec to 100km/h, with the 400m gone in 14.95.

http://www.carsales.com.au/reviews/2008/comparison/ford/aurion/ford-falcon-xr6-turbo-vs-subaru-liberty-gt-spec-b-vs-trd-aurion-5976

As such, even I am very sceptical of the 6.50 that my ECUdatascan gave me.

OR maybe I can launch a Lib better than everyone :-P LOL
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Re: EcuDataScan discussion

Postby MH3.0R » Sun Sep 20, 2009 10:10 pm

Ric wrote:Has anyone else tried the 0 to 100 km/h performance test?
Do you think it's accurate?
On my first serious try, I beat the official 7.0s time for my car. :?


Ric,

I was not serious, but got a 7.02 out of the 3.0R 5AT.
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Re: EcuDataScan discussion

Postby smythie » Sun Sep 20, 2009 10:18 pm

according to the various test figures I have seen, the H6 auto was supposed to be a few tenths faster than the manual
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Re: EcuDataScan discussion

Postby Ric » Mon Sep 21, 2009 12:14 am

According to the 2006 sales brochure.

3.0RB wagon with 5AT = 8.4s (this could be a mistake)
3.0R wagon with 5AT = 8.2s
3.0R sedan with 5AT = 8.2s
3.0RB sedan with 5AT = 8.2s
3.0RB wagon with 6MT = 7.0s
3.0RB sedan with 6MT = 6.9s

GT wagon with 5AT = 6.8s
GT sedan with 5AT = 6.8s
GT wagon with 5MT = 5.8s
GT sedan with 5MT = 5.7s
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Re: EcuDataScan discussion

Postby dwayne » Mon Sep 21, 2009 12:49 am

Ric wrote:Has anyone else tried the 0 to 100 km/h performance test?
Do you think it's accurate?
On my first serious try, I beat the official 7.0s time for my car. :?


In a word - no ! It tells you when the ECU thinks it's doing 100, and I more than strongly suspect the Subaru ECU reads a few % high. Plus any wheelspin causes it to miscalculate too.

According to the ECUDatascan, when mine was stock, I could pull 6.2's all day. a couple of almost perfect launches gave me "5.98"

Now it's tuned I can regularly get under 6 seconds, even with very sympathetic launches, and have managed a 5.44 with a good launch. However, the car is simply not a 5.4sec 0-100 car by any stretch, I've had a few low 5 cars, and this is just not that quick (yet). I could now believe 5.9, maaaaaybe 5.8 if the planets align. So it always seems to read about half a second optimistic.
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Re: EcuDataScan discussion

Postby dwayne » Mon Sep 21, 2009 12:51 am

smythie wrote:according to the various test figures I have seen, the H6 auto was supposed to be a few tenths faster than the manual


Hmm, doesn't match with what I've seen - the 6MT ratios were geared towards better accelleration than the auto's.
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Re: EcuDataScan discussion

Postby smythie » Mon Sep 21, 2009 2:16 pm

the 3RB 6 speed requires a shift to 3rd around 90km/h though and I expect the 5 speed auto would go past 100km/h still in second. The auto will also deliver quicker upshifts under full load. Add in the extra mass of the 6 speed manual over the 5 speed auto and I think you have some of the reasons why the gearing of the 6 speed manual is defeated
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Re: EcuDataScan discussion

Postby dwayne » Mon Sep 21, 2009 4:17 pm

can't argue with that logic smythie, from memory the manual was a full 30kgs heavier than the auto. I owned a 3.0RB manual wagon and did drive a few auto 3.0R's and they didn't feel as quick as the manual though, but hey, bumdyno is never all that accurate :)
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Re: EcuDataScan discussion

Postby smythie » Mon Sep 21, 2009 6:46 pm

the autos when just driving around will be slower to react to throttle applications because of the torque converter. In general driving around you aren't going to have it spinning above the torque converter's stall revs all that often (and Subaru doesn't lock the torque converter) so you'll have to wait for the engine speed to rise those 5-10% above road speed. In the manual, the clutch locks the crank to the gearbox input shaft and any throttle application will be (relatively) instantly felt. One of the big reasons I dislike auto boxes.

Off the line, the auto will likely be just as quick, if not quicker due to being easier to stall and launch, shifting quicker and at higher speeds.
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Re: EcuDataScan discussion

Postby parso_rex » Mon Sep 21, 2009 10:00 pm

Of course you could always verify the times using romraider or one of the others logging vehicle speed and subtracting the times.

I think those times sound about right remember some of those tests for the mags are done with two in the car others with one. 6 seconds is not blindingly fast even a slug 6L commodore does it in 5 something, personally I couldn't stand owning a car which takes 5.0 seconds or more to 100 :lol:
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