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Thread: $0E / $31 XDF Missing transmission parameters.

  1. #1
    Fuel Injected! 1BadAction's Avatar
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    $0E / $31 XDF Missing transmission parameters.

    Where is the Desired shift time for the 4L80E masks? I thought these things were supposed to be complete and ready to rock, but it turns out, when it comes to the transmission, the XDF is less complete than the 7060 was!! It runs better in every other way, but if I can't tighten up the slush box shifts, then this 7427 is going to go in the garbage.
    94 Blazer, Turbo'd 350 TBI - DD
    1991 2500 Suburban Adventure truck - 4wd conversion, 4-link F/R, 582ci CNP Big Block with Terminator X EFI backed by a 6L90 and twin stick'd NP205 t-case
    2012 Porsche Panamera Turbo - Date night car :)
    1979 16' Action Marine/"Johnny Cash" Merc Bridgeport Champ Motor - Metalflake Maniac

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    Fuel Injected! brian617's Avatar
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    Did you do the 7427 swap? Might want to read this.. post 5.

    http://www.gearhead-efi.com/Fuel-Inj...llygraves+4l80
    89 K1500 Scottsdale 5.7L 5spd 3:42 RamJet cam Dart iron TBI heads 427 PCM swap
    95 C2500 Cheyenne 6.5L turbo diesel 4L80e 4:10 DB2-4911 Manual pump conversion 0411 PCM trans control 2Bar COS
    05 Outback XT 2.5L turbo gas auto

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    Fuel Injected! 1BadAction's Avatar
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    Yes I have seen that... have never seen people that have problems with it though.
    94 Blazer, Turbo'd 350 TBI - DD
    1991 2500 Suburban Adventure truck - 4wd conversion, 4-link F/R, 582ci CNP Big Block with Terminator X EFI backed by a 6L90 and twin stick'd NP205 t-case
    2012 Porsche Panamera Turbo - Date night car :)
    1979 16' Action Marine/"Johnny Cash" Merc Bridgeport Champ Motor - Metalflake Maniac

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    Fuel Injected! brian617's Avatar
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    Ok, good. Would stink if that was an in-tunable combo.

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    Quote Originally Posted by 1BadAction View Post
    Where is the Desired shift time for the 4L80E masks? I thought these things were supposed to be complete and ready to rock, but it turns out, when it comes to the transmission, the XDF is less complete than the 7060 was!! It runs better in every other way, but if I can't tighten up the slush box shifts, then this 7427 is going to go in the garbage.
    All that was needed for all of mine was in the $OE XDF , is this the one you are using ? I have had no problems getting mine to shift as soft as I wanted or rattling your teeth on the 1-2 like I have it now .

    Quote Originally Posted by brian617 View Post
    Did you do the 7427 swap? Might want to read this.. post 5.

    http://www.gearhead-efi.com/Fuel-Inj...llygraves+4l80
    FWIW , I have seen this explained and understand the theory , I do not believe it for a second , I run a 1992 4L80E in my '92 SS with the '7427 , many miles , no problems . It was verified for correct operation (as correct as it can be with the shift points modded as I have them) by my trans guy , who has forgot more about these than I can ever hope to know. Just my .02.

    TOM
    1994 3500 Dually , 502 (509) , 264HR , Edelbrock MPFI , PFI '7427
    1992 S-10 434 SBC/Tremec - '7427
    1986 Monte Carlo SS
    1984 S-10 , SAS, 496/700R4/205 , D44/14BFF -'7427
    1980 Z-28 496/700R4
    1979 Corvette 496/700R4
    1977 Olds 98 Regency 403/700R4

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    Fuel Injected! 1BadAction's Avatar
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    What is your base bin? Are you able to adjust shift time? I'm using the advanced OE 250 and it looks like it was stopped half way. the OD is awesome, it has all the adjustments I'd want, but the 80E calibrations are half assed. This is really disappointing because the engine itself runs WAY better, the IAC response and the fueling is extremely accurate. No more idle flare when the truck is put into park, no more windup when you free rev it, and so on... I can't wait to get it on the road and see what kind of MPG I can get out of it.

    As far as the force motor dithering... I didn't really want to get into that because I have a feeling theres going to be a pissing match over it, but if it works it works.
    94 Blazer, Turbo'd 350 TBI - DD
    1991 2500 Suburban Adventure truck - 4wd conversion, 4-link F/R, 582ci CNP Big Block with Terminator X EFI backed by a 6L90 and twin stick'd NP205 t-case
    2012 Porsche Panamera Turbo - Date night car :)
    1979 16' Action Marine/"Johnny Cash" Merc Bridgeport Champ Motor - Metalflake Maniac

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    Fuel Injected! 1BadAction's Avatar
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    There is a major issue somewhere... I started to head to work and it hesitated to 1-2 shift when I gave it more than a little bit of throttle, then it immediately went to the shift error tables and bangshifted 1-2 and 2-3. I left it sit and drove the Camaro.
    94 Blazer, Turbo'd 350 TBI - DD
    1991 2500 Suburban Adventure truck - 4wd conversion, 4-link F/R, 582ci CNP Big Block with Terminator X EFI backed by a 6L90 and twin stick'd NP205 t-case
    2012 Porsche Panamera Turbo - Date night car :)
    1979 16' Action Marine/"Johnny Cash" Merc Bridgeport Champ Motor - Metalflake Maniac

  8. #8
    EFI tuning addict 96lt4c4's Avatar
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    Quote Originally Posted by 1BadAction View Post
    There is a major issue somewhere... I started to head to work and it hesitated to 1-2 shift when I gave it more than a little bit of throttle, then it immediately went to the shift error tables and bangshifted 1-2 and 2-3. I left it sit and drove the Camaro.
    Post your bin and let us take a look at it, you really shouldn't have to mess with shift time.

    Try this bin, or copy the transmission parameters into your bin. Also what .xdf are you using? The one I have has everything the $0D xdf has.

    The "Load Based Pressure Offset vs. TPS vs. Gear" was subtracting a lot of line pressure on all the shifts.
    Attached Files Attached Files
    Last edited by 96lt4c4; 12-01-2014 at 09:31 PM.

    -1999 Hugger Orange SS, LS2 402 T56, 9 inch Ford 3.90 gears, Tuned with HP Tuners
    -2002 Cavalier, Tuned with HP Tuners
    -1994 Full Size Blazer ,383 TBI 4L60E, 4.10's, Tuned with Tunerpro RT (Where it all began)

  9. #9
    Fuel Injected! 1BadAction's Avatar
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    Quote Originally Posted by 96lt4c4 View Post
    Post your bin and let us take a look at it, you really shouldn't have to mess with shift time.

    Try this bin, or copy the transmission parameters into your bin. Also what .xdf are you using? The one I have has everything the $0D xdf has.

    The "Load Based Pressure Offset vs. TPS vs. Gear" was subtracting a lot of line pressure on all the shifts.

    I cut that table WAY back... Maybe something else is fishy, let me do some more testing referencing this BHDF bin, I have the stock BHDF that I will use as a base. Thanks.
    94 Blazer, Turbo'd 350 TBI - DD
    1991 2500 Suburban Adventure truck - 4wd conversion, 4-link F/R, 582ci CNP Big Block with Terminator X EFI backed by a 6L90 and twin stick'd NP205 t-case
    2012 Porsche Panamera Turbo - Date night car :)
    1979 16' Action Marine/"Johnny Cash" Merc Bridgeport Champ Motor - Metalflake Maniac

  10. #10
    Fuel Injected! 1BadAction's Avatar
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    Quote Originally Posted by 96lt4c4 View Post
    Post your bin and let us take a look at it, you really shouldn't have to mess with shift time.

    Try this bin, or copy the transmission parameters into your bin. Also what .xdf are you using? The one I have has everything the $0D xdf has.

    The "Load Based Pressure Offset vs. TPS vs. Gear" was subtracting a lot of line pressure on all the shifts.
    Can you give me a screencap of the "line pressure parameters" folder? I think something may be wrong with Tuner Pro...
    94 Blazer, Turbo'd 350 TBI - DD
    1991 2500 Suburban Adventure truck - 4wd conversion, 4-link F/R, 582ci CNP Big Block with Terminator X EFI backed by a 6L90 and twin stick'd NP205 t-case
    2012 Porsche Panamera Turbo - Date night car :)
    1979 16' Action Marine/"Johnny Cash" Merc Bridgeport Champ Motor - Metalflake Maniac

  11. #11
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    I used BJKW as a base for a few .

    Something sounds amiss , Wiring / pinout issue ??

    TOM
    1994 3500 Dually , 502 (509) , 264HR , Edelbrock MPFI , PFI '7427
    1992 S-10 434 SBC/Tremec - '7427
    1986 Monte Carlo SS
    1984 S-10 , SAS, 496/700R4/205 , D44/14BFF -'7427
    1980 Z-28 496/700R4
    1979 Corvette 496/700R4
    1977 Olds 98 Regency 403/700R4

  12. #12
    Fuel Injected! 1BadAction's Avatar
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    Quote Originally Posted by Nasty-Z View Post
    I used BJKW as a base for a few .

    Something sounds amiss , Wiring / pinout issue ??

    TOM
    Ran and shifted through all gears + locked up fine with no error codes yesterday evening, just felt soft and slow on the shift... This morning when I modded a few tables it felt like it was going into LHM.

    The whole reason to have the desired shift speed is to tighten up the shifts without adding pressure. I might have added 5psi to the shift pressure on the 7060, but the 1-2 shift times are less than half the stock 454SS table. It shifts quick and firm, but doesn't SLAM. The advanced OD does have desired shift speed, but the OE/31 does not. ugh.

    Thanks for the ideas, I'm going to triple check pinouts tonight and try another bin. Maybe it has something to do with the $31 bin that I ripped off my memcal.
    94 Blazer, Turbo'd 350 TBI - DD
    1991 2500 Suburban Adventure truck - 4wd conversion, 4-link F/R, 582ci CNP Big Block with Terminator X EFI backed by a 6L90 and twin stick'd NP205 t-case
    2012 Porsche Panamera Turbo - Date night car :)
    1979 16' Action Marine/"Johnny Cash" Merc Bridgeport Champ Motor - Metalflake Maniac

  13. #13
    EFI tuning addict 96lt4c4's Avatar
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    There is also a table that is used to raise Line pressure in PE. Its all zero's stock. I populated it in the bin I posted.

    -1999 Hugger Orange SS, LS2 402 T56, 9 inch Ford 3.90 gears, Tuned with HP Tuners
    -2002 Cavalier, Tuned with HP Tuners
    -1994 Full Size Blazer ,383 TBI 4L60E, 4.10's, Tuned with Tunerpro RT (Where it all began)

  14. #14
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    Quote Originally Posted by 1BadAction View Post
    Ran and shifted through all gears + locked up fine with no error codes yesterday evening, just felt soft and slow on the shift... This morning when I modded a few tables it felt like it was going into LHM.

    The whole reason to have the desired shift speed is to tighten up the shifts without adding pressure. I might have added 5psi to the shift pressure on the 7060, but the 1-2 shift times are less than half the stock 454SS table. It shifts quick and firm, but doesn't SLAM. The advanced OD does have desired shift speed, but the OE/31 does not. ugh.

    Thanks for the ideas, I'm going to triple check pinouts tonight and try another bin. Maybe it has something to do with the $31 bin that I ripped off my memcal.
    Did you use the pin X over I sent you ? Speedo seeing the correct signal ?

    Just some thoughts

    TOM
    1994 3500 Dually , 502 (509) , 264HR , Edelbrock MPFI , PFI '7427
    1992 S-10 434 SBC/Tremec - '7427
    1986 Monte Carlo SS
    1984 S-10 , SAS, 496/700R4/205 , D44/14BFF -'7427
    1980 Z-28 496/700R4
    1979 Corvette 496/700R4
    1977 Olds 98 Regency 403/700R4

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    Quote Originally Posted by 1BadAction View Post
    Ran and shifted through all gears + locked up fine with no error codes yesterday evening, just felt soft and slow on the shift... This morning when I modded a few tables it felt like it was going into LHM.

    The whole reason to have the desired shift speed is to tighten up the shifts without adding pressure. I might have added 5psi to the shift pressure on the 7060, but the 1-2 shift times are less than half the stock 454SS table. It shifts quick and firm, but doesn't SLAM. The advanced OD does have desired shift speed, but the OE/31 does not. ugh.

    Thanks for the ideas, I'm going to triple check pinouts tonight and try another bin. Maybe it has something to do with the $31 bin that I ripped off my memcal.
    If I can find a $OE hack and have a minute I could likely find the tables and add them into the XDF. That being said I do not remember those tables being missing in the $0E .XDF I have.

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