Jump to content
SAU Community

Motec

Gts-t

By Gts-t,
in Engines & Forced Induction

 Share

Recommended Posts

ish Proficient

ish

Posted
Posted (edited)

i have had my motec M8 installed in an R32 GTR but took it with me when i sold the car.

Motec offer probably the most hi tec features available for the track and the street but you have to remember that none of it comes cheap...

What you get is basicly an After market ECU with basic features enabled allowing controling of engine mapping etc and a certain amount of logging time to make these adjustments .

Where Motec starts to seperate its self from the other Ecus is it is can be opened up futher feature wise at a cost giving more serious racing features... Wideband Lambda, Constant Logging, Launch Control, Boost control, Gearcut ,Telemetry and so on!

As far as cost goes thats very hard to say .

After purchasing the right ECU for your needs you have to sought of know what your wanting from your ECU to determine if it needs to be fully installed or piggybacked deppending on what you want it to control .... each feature can cost different amounts or become enabled in groups....

i will have a look though my old tuning reciepts and mail to give yo a bit better idea

My M8 came off a touring car with every feature enabled :D Very luck find

Hope this Helps abit

http://www.motec.com.au/ < Dload the software and have a bit of a play

http://www.horsepowerinabox.com/HPIABV8/category30_1.htm < Basic purchase pricing

Edited by ish
Link to comment
https://www.sau.com.au/forums/topic/173385-motec/#findComment-3187372
Share on other sites
Gts-t Grand Master

Gts-t

Posted
  • Author
Posted (edited)

Thanks for the reply, ive had a read thru the pdf's from the motec site on the m48 ecu and understand the features and such. Ill give them a a call tomorrow and check out the prices.

I guess more than anything i just want to see who here has it as you dont read or hear to much. Obviously this isnt a problem for gtr owners but pfc prices for hcr32 are getting up there, especially when u factor in the extra cost of the datalogit software.

Edit: just checked out the pricing thanks for that. I think the ecu that would be suitable is the m48 clubman, that can be upgraded to the pro in the future if it was needed. At 2400 including software it is pretty attractive depending on how many extras i need to buy to get it running. However if i can sell my afm and ebc that might help soften the blow a little :(

Edited by 2630GTS
Link to comment
https://www.sau.com.au/forums/topic/173385-motec/#findComment-3187631
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing


  • Latest Posts

    • GTSBoy
      Mistakes were made, my R34 Story

      By GTSBoy · Posted

      Yeah, that's fine**. But the numbers you came up with are just wrong. Try it for yourself. Put in any voltage from the possible range and see what result you get. You get nonsense. ** When I say "fine", I mean, it's still shit. The very simple linear formula (slope & intercept) is shit for a sensor with a non-linear response. This is the curve, from your data above. Look at the CURVE! It's only really linear between about 30 and 90 °C. And if you used only that range to define a curve, it would be great. But you would go more and more wrong as you went to higher temps. And that is why the slope & intercept found when you use 50 and 150 as the end points is so bad halfway between those points. The real curve is a long way below the linear curve which just zips straight between the end points, like this one. You could probably use the same slope and a lower intercept, to move that straight line down, and spread the error out. But you would 5-10°C off in a lot of places. You'd need to say what temperature range you really wanted to be most right - say, 100 to 130, and plop the line closest to teh real curve in that region, which would make it quite wrong down at the lower temperatures. Let me just say that HPTuners are not being realistic in only allowing for a simple linear curve. 
    • Kinkstaah
      Mistakes were made, my R34 Story

      By Kinkstaah · Posted

      I feel I should re-iterate. The above picture is the only option available in the software and the blurb from HP Tuners I quoted earlier is the only way to add data to it and that's the description they offer as to how to figure it out. The only fields available is the blank box after (Input/ ) and the box right before = Output. Those are the only numbers that can be entered.
    • GTSBoy
      Mistakes were made, my R34 Story

      By GTSBoy · Posted

      No, your formula is arse backwards. Mine is totally different to yours, and is the one I said was bang on at 50 and 150. I'll put your data into Excel (actually it already is, chart it and fit a linear fit to it, aiming to make it evenly wrong across the whole span. But not now. Other things to do first.
    • Kinkstaah
      Mistakes were made, my R34 Story

      By Kinkstaah · Posted

      God damnit. The only option I actually have in the software is the one that is screenshotted. I am glad that I at least got it right... for those two points. Would it actually change anything if I chose/used 80C and 120C as the two points instead? My brain wants to imagine the formula put into HPtuners would be the same equation, otherwise none of this makes sense to me, unless: 1) The formula you put into VCM Scanner/HPTuners is always linear 2) The two points/input pairs are only arbitrary to choose (as the documentation implies) IF the actual scaling of the sensor is linear. then 3) If the scaling is not linear, the two points you choose matter a great deal, because the formula will draw a line between those two points only.
    • GTSBoy
      Mistakes were made, my R34 Story

      By GTSBoy · Posted

      Nah, that is hella wrong. If I do a simple linear between 150°C (0.407v) and 50°C (2.98v) I get the formula Temperature = -38.8651*voltage + 165.8181 It is perfectly correct at 50 and 150, but it is as much as 20° out in the region of 110°C, because the actual data is significantly non-linear there. It is no more than 4° out down at the lowest temperatures, but is is seriously shit almost everywhere. I cannot believe that the instruction is to do a 2 point linear fit. I would say the method I used previously would have to be better.
×
×
  • Create New...