Results 1 to 11 of 11

Thread: Rolling road/emanage ultimate mapping - where?

  1. #1

    Join Date
    May 2009
    Real Name
    Patrick Magee
    Location
    St. Neots
    Posts
    820
    Thanks
    11
    Thanked 23 Times in 15 Posts

    Rolling road/emanage ultimate mapping - where?

    Hi Folks, not sure if I will get much response in this, but nothing ventured, nothing gained.

    I have my Soarer running with an emanage ultimate, forged internals, HKS cams, GT3076 and a twin scroll housing. I have done my usual 'street map' (blasting up and down empty roads while logging the AFRs, timing and knock sensors) and I am pretty sure I have it running as well as I can. However, what I need is the final 'master's touch' to get some little niggles sorted (such as the annoying 'hot start' - I fixed it my adding fuel at 500rpm, but that is probably the wrong way to do it), and to get an idea of how much power I am really making.

    So, does anyone have any recommendations in the St. Neots/Cambridgeshire area for a good mapper or just a rolling road? The only emanage mapper I know is Thor in Coventry, and I have tried them before (not massively impressed)

  2. #2

    Join Date
    Aug 2014
    Real Name
    Luke T
    Location
    Bedfordshire
    Posts
    109
    Thanks
    0
    Thanked 2 Times in 2 Posts
    Maybe look fir supra specialists? I need to map mine soon and only want to take it to someone with good experience of 1jz and 2jz.

  3. #3

    Join Date
    Feb 2004
    Real Name
    Andy B.
    Location
    Enfield, London
    Posts
    7,831
    Thanks
    77
    Thanked 52 Times in 49 Posts
    Have you tried Nod?

    He is a trader on the Supra site.
    When tuning a Soarer you can have
    Power
    Reliability
    and Cheap.
    But you can only have 2...take your pick!
    So you want to tune your TT??? Read these.......
    http://www.soarerworld.com/forum/showthread.php?t=3834
    http://www.soarerworld.com/forum/showthread.php?t=24968
    http://www.soarerworld.com/forum/showthread.php?t=27018
    http://www.soarerworld.com/forum/showthread.php?t=25113
    http://www.soarerworld.com/forum/showthread.php?t=17138
    http://www.soarerworld.com/forum/showthread.php?t=6865

  4. #4

    Join Date
    Apr 2005
    Real Name
    Anh
    Location
    Kent
    Posts
    27
    Thanks
    0
    Thanked 1 Time in 1 Post
    I often map/tweak my EMU on the street, and picked up a few handy to keep in mind to get the best out of your tune.

    - Use the logger feature, it will show you what the engine is seeing and what it is doing (injector duty, timing advance, intake/coolant temps etc)

    - The 1JZ ecu is very sensitive to sensor inputs, particularly knock. It will retard timing the instance it finds knock, if knock was mild it will eventually return back to full timing advance if no further knock is detected. More severe knock will take much more knock-free running time before things return back to normal, so the speedy process is to reset the ECU (battery disconnect for 5 minutes) if you

    - Air intake temp sensor can occasionally get heatsoaked when stationary for too long, and fools the factory ECU you have high intake temperatures, and thus it leans out your fuel trim even further, by doing all that original / intending timing advance that worked for the intended A/F ratio wont work so well on after the ECU fuel trim. I use the IAT correction map to add injector duty between 1-5% from 30 Deg C onwards.

    - Enrich injector duty for lower vehicle speeds (lower gears) - your car can often run leaner in 1st & 2nd compared to 3rd, so a nice fuel trim & timing advance angle for 3rd could cause less than optimal running in 1st and 2nd, worst case is it runs rather lean in 1st and get some knock, triggering the ECU to retard the timing again and leading you to disconnect the battery to clear it.

    - The stock ecu runs more advance, and proportionally less injector duty (runs lean) below 6 psi boost - best to not trim anything or add timing below this level of boost pressure.

    - Keep in mind the coolant temperature below 80 deg C will mean the ECU is in warm up enrichment mode, ideal temps would sit abover this and under 95 deg C.

  5. #5

    Join Date
    May 2009
    Real Name
    Patrick Magee
    Location
    St. Neots
    Posts
    820
    Thanks
    11
    Thanked 23 Times in 15 Posts
    Thanks Anh - useful comments. I log pretty much everything I can when doing a test run, so that much I already do. My full throttle AFRs are fine, but I am still playing with the timing to get better mid-range. Knock sensor logging helps a lot with that. I try not to go over 5% knocking - is that too conservative? For the hot start: interesting that you suggest using the IAT map - that is my next plan, as I am fairly sure that enriching the air map at 500rpm is the wrong way to fix a hot start issue. The heat soak on the air temp sender would produce exactly what I am seeing - I will definitely try the IAT injector correction.

    I am not sure what you mean by enriching injector duty in the lower gears - how does the EMU know the vehicle speed or which gear I am in?

  6. #6
    Spank The Monkey Champion!
    Join Date
    Apr 2008
    Real Name
    Kurt Driver
    Location
    UK just about
    Posts
    328
    Thanks
    11
    Thanked 8 Times in 8 Posts
    Connect knock sensor to brain - use headphones. Period.

  7. #7

    Join Date
    May 2009
    Real Name
    Patrick Magee
    Location
    St. Neots
    Posts
    820
    Thanks
    11
    Thanked 23 Times in 15 Posts
    After reading around, 5% knocking is very conservative - most info on the web says that its not a worry unless its over 50%. Plenty more room for tweaking!

    But, have we no further recommendations for a good dyno/mapper?

  8. #8
    Spank The Monkey Champion!
    Join Date
    Apr 2008
    Real Name
    Kurt Driver
    Location
    UK just about
    Posts
    328
    Thanks
    11
    Thanked 8 Times in 8 Posts
    Dave Stone @ DS Automotives in Aylesbury. Want to meet there next week? And you can see one of the last Soarers ever ever made

  9. #9
    Spank The Monkey Champion!
    Join Date
    Apr 2008
    Real Name
    Kurt Driver
    Location
    UK just about
    Posts
    328
    Thanks
    11
    Thanked 8 Times in 8 Posts
    I'm there Friday morning and lunch if anyone wants to see one of the last Soarers ever made... last 30.

  10. #10
    Master Mahjongg Champion! Cannon Ball Champion!
    Join Date
    Dec 2004
    Real Name
    Chris Barclay
    Location
    S. Lincs at last
    Posts
    11,347
    Thanks
    45
    Thanked 612 Times in 569 Posts
    Quote Originally Posted by Yakuza View Post
    I'm there Friday morning and lunch if anyone wants to see one of the last Soarers ever made... last 30.
    I'm sure that we'd all like to see it Kurt, why not post some pictures?

  11. #11

    Join Date
    May 2009
    Real Name
    Patrick Magee
    Location
    St. Neots
    Posts
    820
    Thanks
    11
    Thanked 23 Times in 15 Posts
    Good tip Kurt - I will check them out.

Similar Threads

  1. Emanage ultimate + harness + map sensor
    By pharmed in forum Soarer Parts For Sale
    Replies: 3
    Last Post: 22-06-2015, 00:49
  2. 1jz- emanage ultimate
    By Melfast in forum Soarer Electrical
    Replies: 6
    Last Post: 01-05-2014, 01:11
  3. Emanage Ultimate Wiring
    By mestew87 in forum Soarer Electrical
    Replies: 14
    Last Post: 11-03-2012, 11:09
  4. Emanage Ultimate +
    By Ajazyasin in forum Soarer Parts For Sale
    Replies: 3
    Last Post: 03-11-2008, 20:04
  5. power fc or emanage ultimate?
    By Ajazyasin in forum Soarer Electrical
    Replies: 2
    Last Post: 12-09-2005, 19:17

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •