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Thread: 454 411 Swap

  1. #101
    Lifetime Member SS2win's Avatar
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    Here's the Vehicle Platform Options page under COS5 ...


    Click image for larger version. 

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    2001 Camaro SS
    EFILive Custom OS3

  2. #102
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    Very cool. That looks familiar, I think I've seen that on some GenIV tunes before. Possibly on the desktop with the newer calz files. Now that I think about it someone on another forum was talking about being able to change tach pulse output to correct a factory tach. Having said that, the 1 tune I have the newer calz file for on the laptop is the COS5 and that's the one that's not giving me anything for the system segment which I have been able to modify in the past.
    1998 GMC Sierra K1500 5.7/4L80E, longtubes, 411 w/COS 5, marine cam/intake, Whipple. 91 octane at 6000'.
    1997 GMC Sierra K3500 7.4/4L80E, 411 w/COS 3, Whipple, small cam.
    2004 Corvette Z06 with longtubes.

  3. #103
    Lifetime Member SS2win's Avatar
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    You can adjust the tach pulse but I don't think you can ever get it right on the dash. Mine seems to run 2-300 RPM's higher than reported on the scanner
    2001 Camaro SS
    EFILive Custom OS3

  4. #104
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    There's a guy with a truck I tuned on a little whose tach pegs out while the motor us under 5000 RPM. Cluster, motor, harness, and PCM all from the same donor (LQ9 swapped).
    1998 GMC Sierra K1500 5.7/4L80E, longtubes, 411 w/COS 5, marine cam/intake, Whipple. 91 octane at 6000'.
    1997 GMC Sierra K3500 7.4/4L80E, 411 w/COS 3, Whipple, small cam.
    2004 Corvette Z06 with longtubes.

  5. #105
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    I stole the calz files from a newer V7.5 and now can view platform options and all that good stuff. All the system stuff is finally showing for the 1500 as well. My only questions are these: is it as simple as changing my declared platform from GMT610 (van) to GMT800 (in hopes of t case working right), selecting my applicable options (really just low res crank as the 97 didn't have the alternator terminals like my 98 and BTM can suck it), and doing a cal only flash? Or are there some unknown unknowns I may be overlooking?
    1998 GMC Sierra K1500 5.7/4L80E, longtubes, 411 w/COS 5, marine cam/intake, Whipple. 91 octane at 6000'.
    1997 GMC Sierra K3500 7.4/4L80E, 411 w/COS 3, Whipple, small cam.
    2004 Corvette Z06 with longtubes.

  6. #106
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    Another fun fact I learned today: bump the max allowed timing 10 degrees. Could be the cause of my 32.5* limitation. We shall see. Another tuner observed a 10 degree offset in the max timing.
    1998 GMC Sierra K1500 5.7/4L80E, longtubes, 411 w/COS 5, marine cam/intake, Whipple. 91 octane at 6000'.
    1997 GMC Sierra K3500 7.4/4L80E, 411 w/COS 3, Whipple, small cam.
    2004 Corvette Z06 with longtubes.

  7. #107
    Joe (Moderator) joecar's Avatar
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    I take it you're running an older build of V7.5.

    Intetesting about max timing.

  8. #108
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    Yeah, it seems 7.5 doesn't want to play with Windows 10 on my desktop so laptop only for the time being. Can't really get to the dually to try this out as it's out at the hangar with the camper still in the back. Joe do you know if those platform changes in the system segment will require a full flash or cal only flash?
    1998 GMC Sierra K1500 5.7/4L80E, longtubes, 411 w/COS 5, marine cam/intake, Whipple. 91 octane at 6000'.
    1997 GMC Sierra K3500 7.4/4L80E, 411 w/COS 3, Whipple, small cam.
    2004 Corvette Z06 with longtubes.

  9. #109
    Joe (Moderator) joecar's Avatar
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    Platform changes require only cal flash.

  10. #110
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    As observed in my 1500, the dually is next whenever I can excavate it from my camper. Thanks!
    1998 GMC Sierra K1500 5.7/4L80E, longtubes, 411 w/COS 5, marine cam/intake, Whipple. 91 octane at 6000'.
    1997 GMC Sierra K3500 7.4/4L80E, 411 w/COS 3, Whipple, small cam.
    2004 Corvette Z06 with longtubes.

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