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Thread: Question re D2 ECU for auto V8 - or TD5?

  1. 31st August 2018, 08:06 PM #11
    PhilipA
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    Third locks at 70kmh indicated on the speedo and unlocks at 50.
    In my case that is about 75KMh by the GPS .

    It helps to lock if you ease off at 70Kmh+

    Regards Philip A
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  2. 31st August 2018, 08:18 PM #12
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    rick130
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    Quote Originally Posted by PhilipA View Post
    Third locks at 70kmh indicated on the speedo and unlocks at 50.
    In my case that is about 75KMh by the GPS .

    It helps to lock if you ease off at 70Kmh+

    Regards Philip A
    Ditto
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  3. 1st September 2018, 04:23 PM #13
    JohnnoK
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    The ECU from an auto Td5 will improve matters for a manual Td5 because the auto ECU's fueling is set up to come in much lower to overcome torque converter slip on pull away, so a manual with an auto ECU will be better off the mark.
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  4. 1st September 2018, 04:59 PM #14
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    So has any body tried it yet? Keen to see if it works but don't want to be the guinea pig Question re D2 ECU for auto V8 - or TD5?
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  5. 1st September 2018, 08:46 PM #15
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    Quote Originally Posted by SPROVER View Post
    So has any body tried it yet? Keen to see if it works but don't want to be the guinea pig Question re D2 ECU for auto V8 - or TD5?
    I'm planning on trying it, but might be a few weeks away yet. At least I've finally located a local supplier for the auto trans control unit.
    D4 MY16 TDV6 - Cambo towing magic, Traxide Batteries, X Lifter, GAP ID Tool, Snorkel, Mitch Hitch, Clearview Mirrors, F&R Dashcams, CB
    RRC MY95 LSE Vogue Softdash "Bessie" with MY99 TD5 and 4HP24 transplants
    SADLY SOLD MY04 D2a TD5 auto and MY10 D4 2.7 both with lots of goodies
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  6. 2nd September 2018, 12:53 PM #16
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    A friend of mine who has a scrapyard made few tests on his own D2 and in two cases the result was good with V8 EAT ECU and once it was worst, i don't remember the p/ns involved but iirc the low compression one was not OK and it was well with two high compression ECUs and not the same .... there are 13 versions of V8 EAT ECUs and it's not only about superseded part numbers, there are differencies in theyr's addaptive strategy and IMO it depends very much on what kind of fuel map is in the engine ECU and how the two ECUs will match, so if you want to make experiments you'll have to make serious research which EAT ECU to try according to what kind of fuel map or other tuning you have cos it will not be the same...here is the list:

    Discovery Td5 (2000), manual, tuned
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  7. 2nd September 2018, 01:31 PM #17
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    Quote Originally Posted by sierrafery View Post
    A friend of mine who has a scrapyard made few tests on his own D2 and in two cases the result was good with V8 EAT ECU and once it was worst, i don't remember the p/ns involved but iirc the low compression one was not OK and it was well with two high compression ECUs and not the same .... there are 13 versions of V8 EAT ECUs and it's not only about superseded part numbers, there are differencies in theyr's addaptive strategy and IMO it depends very much on what kind of fuel map is in the engine ECU and how the two ECUs will match, so if you want to make experiments you'll have to make serious research which EAT ECU to try according to what kind of fuel map or other tuning you have cos it will not be the same...here is the list:

    Excellent work (as usual).
    Reaffirms what I was told yesterday that mixed results occur (from real tests).
    Oh dear, nothing seems to ever be as simple as initially suggested/hoped, so see how we go.
    D4 MY16 TDV6 - Cambo towing magic, Traxide Batteries, X Lifter, GAP ID Tool, Snorkel, Mitch Hitch, Clearview Mirrors, F&R Dashcams, CB
    RRC MY95 LSE Vogue Softdash "Bessie" with MY99 TD5 and 4HP24 transplants
    SADLY SOLD MY04 D2a TD5 auto and MY10 D4 2.7 both with lots of goodies
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  8. 2nd September 2018, 01:47 PM #18
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    It'd be interesting to know what the difference is with regards to compatiilty.

    eg cant mix pre-post EU update, MY update, variations on MY components, Hi/Low compression, flash/non flash ECU or maybe if it is related to SLABS or something else. .
    Cheers
    Slunnie


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  9. 2nd September 2018, 02:45 PM #19
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    IMO there will not be two vehicles to behave the same cos even the vehicle's weights and tyre dimensions are involved due to the VSS.... to not eliminate the human factor too, yes i agree that it's not simple at all and the results can be various
    Discovery Td5 (2000), manual, tuned
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  10. 2nd September 2018, 02:53 PM #20
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    I'm guessing someone with the knowledge has tried, but ideally you'd flash reprogram the auto ECU to suit whatever you wanted.

    Change points, lockup points, etc.
    Lockup in all four gears in low range?
    Yes we can.
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