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Type: Posts; User: HRD

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  1. Replies
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    Yes. Seemed to be the case

    Yes. Seemed to be the case
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    I switched to Holley EFI and was much happier.

    I switched to Holley EFI and was much happier.
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    I have a similar setup and option a worked better.

    I have a similar setup and option a worked better.
  4. The Camaro is done. I got PCM of NC to tune it. ...

    The Camaro is done. I got PCM of NC to tune it. It runs great. The truck is 90% there. I just need to do some idle tuning. It trys to surge and die sometimes when I come to a stop or idle across...
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    Bump

    Bump
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    OK, I've dialed the boost back some to get a...

    OK, I've dialed the boost back some to get a better picture of what the trans is doing or what is being commanded. The advice that Russ has provided has been extremely helpful in getting the shifts...
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    Fixed! These settings fixed my TCC unlocking...

    Fixed!

    These settings fixed my TCC unlocking problem.
    44121
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    Man, how did I miss that? Thanks again.

    Man, how did I miss that? Thanks again.
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    I'm having the same problem with my 4L80E TCC...

    I'm having the same problem with my 4L80E TCC unlocking when I let off the gas. It's a real PITA with a higher stall converter. You get a RPM flare when you go back on the throttle before it locks...
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    Well thanks to Russ's help and use of the Bluecat...

    Well thanks to Russ's help and use of the Bluecat transmission software, it is shifting much better. It will now actually shift under WOT, but occasionally does still hit fuel cut one time right as...
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    For future reference, Russ's formula "calculated...

    For future reference, Russ's formula "calculated tire/current tire*trans revs/mile" gives the new trans rev/mile to get the correct calculated tire value.
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    Thanks Russ. I'll give that a shot. I thought...

    Thanks Russ. I'll give that a shot. I thought that as long as the MPH reading was right in the scanner then all was good. So now my understanding is the trans speed calculations are independent of...
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    No one??

    No one??
  14. Replies
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    Slow to command shift, hitting fuel cut 4L80E

    I've been struggling with this one. I've got a turbo'd 5.3 with a CK Performance built 4L80E, Circle D tripple disc billet converter.
    The problem is the PCM is slow to command a gear change and...
  15. That would be me. I recognized your username and...

    That would be me. I recognized your username and that cover in the pic. :cheers:

    BTW your truck looks great! I sold the blue 67. This is our new shop truck. ...
  16. Thanks guys! That did the trick. When I tried...

    Thanks guys! That did the trick.
    When I tried copying the values from the forum to the tune it didn't paste right where the line wraps, so I put the values into a spreadsheet in case someone else...
  17. HartRod, Thank you! Are the labels supposed to...

    HartRod, Thank you! Are the labels supposed to be the resistance values? I can change the temperature values in my table, but the resistance values don't match the labels you have posted.

    Click...
  18. 2011 LS3 with Maggie in 68 Camaro IAT reading high

    I'm just finishing up a Magnacharged LS3 6 speed swap in a 68 Camaro and fired it up for the first time. Keep in mind it has yet to be tuned. Anyway I am logging very high IAT values even thought...
  19. I've determined it is false knock. I believe...

    I've determined it is false knock. I believe from valvetrain noise. I'm running a LS7 cam that has a smaller base circle with stock length pushrods so I have nearly zero preload on the lifters. ...
  20. I think you'll find that you hit the 1.2g/cyl...

    I think you'll find that you hit the 1.2g/cyl limit on the timing table very easily and you'll have to scale the tune. Very cool project. I love Novas. Do you have any pics of the car?
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    I've been trying to nail down where I'm getting...

    I've been trying to nail down where I'm getting all the KR from, but haven't had much luck. No rattles, not solid motor mounts (although I do run solid motor mounts with the LS7 in my Camaro and...
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    Here is where I am now. 43133 43134 ...

    Here is where I am now.
    43133 43134 43135
    I still have a ton of false knock. I say its false because I'm getting a lot of knock at low loads, like at 2.52 in the first scan.
    The big...
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    The wide band reads Lambda, not A/F ratio. It...

    The wide band reads Lambda, not A/F ratio. It gets A/F ratio by multiplying the Lambda value (or dividing by the Equivalence ratio which is just the inverse of Lambda) by what you have in the Stoich...
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    Probably. I've been all over the exhaust looking...

    Probably. I've been all over the exhaust looking for rattles. It does have a leak, but no rattles.
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    I'm running a similar build in my 54 pickup. ...

    I'm running a similar build in my 54 pickup. 5.3L turbo with the Holley Hi-Ram. http://www.hptuners.com/forum/showthread.php?45935-Please-critique-my-3-bar-tune. I went with the 3bar OS and the...
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