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  1. Replies
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    I got out this weekend and did the calc.maft...

    I got out this weekend and did the calc.maft method to get a better VE table. I pulled 3-6% out in the 400/800 rpm rows, and 3-4% out from 4000+ from what the calc.vet method generated for a VE...
  2. Sticky: Is there any way we can get the...

    Is there any way we can get the Calc-MAFT-maps.zip file added to the 1st post? I know it took me awhile to find the maps file when I tried this method.

    On a side note, when I did this method the...
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    I forgot on the knock, when I was logging it I...

    I forgot on the knock, when I was logging it I seen quite a bit of knock retard(as high as 7 degrees IIRC). I know I have some bad lifters that bleed down below 1500 RPM's and it logs quite a bit of...
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    No COS, just an 0411 loaded with an 02 van tune...

    No COS, just an 0411 loaded with an 02 van tune modded to run dual electric fans. I couldn't find B3647 in my tune file. I thought maybe it was an injector table since there is no stock tune file to...
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    Now that the hurricane cleanup is done, I'm back...

    Now that the hurricane cleanup is done, I'm back on this. I went through and did the calc.vet and it did not help my going lean on initial throttle application when cold in O/L. It doesn't seem to...
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    Yes, everything is stock except for the intake...

    Yes, everything is stock except for the intake swap, it even has the stock cats on it still. I know it needs some VE corrections, but I'm at a loss where to begin with it for this going lean when it...
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    Lean mixture when in o/l

    I have had to start driving my Tahoe because my Suburban is down, so now I have to break down and fix my tune in it. It's my 99 Tahoe with an L31 5.7l vortec, marine intake swap, 0411 PCM swap, no...
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    I had forgotten to update this thread. I ended up...

    I had forgotten to update this thread. I ended up turning the misfire monitor off and it cleared up all of my lockup problems. It would hardly ever display any misfires on my scanner, but I started...
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    The PLX requires adding in a ttl to rs232 serial...

    The PLX requires adding in a ttl to rs232 serial port to work.

    https://forum.efilive.com/showthread.php?28000-PLX-SM-AFR-Serial
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    The only real issue I see you running into is...

    The only real issue I see you running into is your fuel gauge. 98+ gmt400 gas trucks run the fuel sending unit to the pcm, and it in turn runs the fuel gauge. With an 0411 you use an express can fuel...
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    All I swapped was the Camaro operating system...

    All I swapped was the Camaro operating system segment so I could get the fans to work via the ac pressure sensor. When I did the swap, it changed it from a gmt-610(van) to F-body in G1206, so I left...
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    With a camaro OS, you will have to wire in a...

    With a camaro OS, you will have to wire in a resistor for the ac pressure sensor. Tbe Camaro OS will default the fans on low all the time without an ac pressure sensor. I would switch back to a truck...
  13. Replies
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    I forgot to post it earlier, but here is the base...

    I forgot to post it earlier, but here is the base file I used straight from, TIS. It's from an 02 EXPRESS van.

    23052
  14. Replies
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    Tune check 0411 swap?

    Can somebody look over this tune file for me and see if I did the segment swap correctly? I have a 99 TAHOE with the older 5.7L vortec(distributor engine, low res crank sensor with 4 crank & 1 cam...
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    The VATS disable does not work on LML/LGH....

    The VATS disable does not work on LML/LGH. Several have tried it on the facebook swap page, and they all ended up spending the $2K to the company that has made a box to make it work. I don't remember...
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    I believe you can do the force read on an lb7...

    I believe you can do the force read on an lb7 like you can an ls1b, but it involves opening the ecm up to do it.
  17. Replies
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    My throttle body is just the 454 throttle body...

    My throttle body is just the 454 throttle body and blade, I'm using the 350 shaft in it so the linkage hooks up like stock.

    Here's my current file. The file I posted earlier is stock except for...
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    The IAC passages are nearly identical between the...

    The IAC passages are nearly identical between the 2 except the 454 throttle body has an extra passage, but it's blocked in my spacer(have to run one to clear the external fuel rail), and the intake....
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    I have it set now so that minimum air(IAC fully...

    I have it set now so that minimum air(IAC fully closed, hot idle of 200, & in park) is right around 450 RPM's. It adapts to 40 IAC steps at a hot idle in park, goes up to around 67 with the AC and...
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    larger throttle body tuning

    I tried searching, but I'm not coming up with an answer to my issue. I have a 99 TAHOE with a 5.7L vortec, 0411 PCM swap running an 02 OS, dual electric fans, Camaro segment swap(modified the request...
  21. For LML EVERY segment MUST match perfectly or...

    For LML EVERY segment MUST match perfectly or else you WILL have problems.
  22. I have 2 cab & chassis tune files, but neither...

    I have 2 cab & chassis tune files, but neither one has the fuel system segment's mapped out. The H&S probably doesn't have a dual tank fuel system segment in it which would cause your issue because...
  23. I would start by swapping in a 02 LM7 engine...

    I would start by swapping in a 02 LM7 engine segment. There's alot more changes than just VE and cylinder volume between an LS1 and LM7. Then I would be checking your wiring for your O2 heaters. The...
  24. You might could try the 98 ls1a pcm to see if...

    You might could try the 98 ls1a pcm to see if that works. I use my tech 2, so I don't know about efilive doing it. I do know externally 96/97 looks the same as 98-00, but internally they're...
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    I found a list online of a company auctioning off...

    I found a list online of a company auctioning off trucks and it had vin numbers listed. That was how I found the 01. From what I've found, 1500's were 4.3's, 2500's were still 6 lug, but had the 5.7l...
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