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  1. Replies
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    rma 218003 I've posted this on several...

    rma 218003

    I've posted this on several facebook tuning groups and there are numerous customer having the same issue. There is obviously an issue with a lot of the MPVI2 interfaces. I just happened...
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    Mpvi2 issues- unhappy customer.

    Just wanted to give a heads up to all you good folks. If you have issues out of your mpvi2 losing connection with your vehicle and or computer, OR losing connection with your wideband, send it to hp...
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    Mpvi2 issues- unhappy customer.

    Just wanted to give a heads up to all you good folks. If you have issues out of your mpvi2 losing connection with your vehicle and or computer, OR losing connection with your wideband, send it to hp...
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    anyone?

    anyone?
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    how to tune cold driving

    Hey guys,

    I am having an issue with cold driving. On a cold start and immediate driving, the truck dies and the rpm's fluctuate 500 rpm up or down, rolling/ coasting. It is a stick shift. I feel...
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    Trouble tuning VE

    Hey guys. I have been chasing my tail the last several months nailing down the idle. So I decided to revisit my VE. I decided to take an hour drive and try to hit as much cells as possible. I have...
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    Thank you so much for the time and effort that...

    Thank you so much for the time and effort that you put into making these videos. I have bought several tuning guides over the years and these videos tie it all together for me. Keep doing what you're...
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    I kind of wonder if i'm not fighting a crappy IAC...

    I kind of wonder if i'm not fighting a crappy IAC and it doesn't have enough range for cold start
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    That is why I haven't drilled it yet. I just...

    That is why I haven't drilled it yet. I just can't seem to figure out why I set my IAC to 40-60 at hot idle and set BRAF and then it won't start without pedal on cold start. I can't even get it into...
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    Chattanooga, TN

    Chattanooga, TN
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    3,626

    It seems to like it alright. I noticed it doesn't...

    It seems to like it alright. I noticed it doesn't smell no where near as bad. With a cam this large, It only seemed right to shift the SOIT to PPV. At 6700rpm and 100% TPS. I'm running around 87% Inj...
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    I have not drilled yet because I honestly...

    I have not drilled yet because I honestly couldn’t figure out how to use his calculator.
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    Idle Tuning with large TB and large Cam

    hello,

    I am having a hard time setting my IAC and getting my truck to start cold.

    set up:
    1986 c10
    ls1
    prc heads - 10.5:1 CR
    btr stage 4 car cam
    long tube headers
  14. Thank you for the knowledge. That is interesting....

    Thank you for the knowledge. That is interesting. No port work was done.
  15. For what it's worth, I called Texas Speed to ask...

    For what it's worth, I called Texas Speed to ask them if they have ever shaved a head .060. He said you can not shave a 317 head that far bc you are cutting away too much of the chamber. He said I...
  16. Yes. Same RPM. The Torque was lower on the new...

    Yes. Same RPM. The Torque was lower on the new set up early on the dyno pull but caught up. I'll see if I can get the dyno Chart. He will overlap the dyno pulls so you can see the difference the the...
  17. My engine Builder is thinking by milling the...

    My engine Builder is thinking by milling the heads .060, we may have disrupted the cylinder air flow, maybe we changed the pattern? Made it less efficient?
  18. So I don't have a log of the dyno pull but I did...

    So I don't have a log of the dyno pull but I did go back and look at it. At 6000rpm, the Injector Duty was 83%
  19. the dyno curve? I'll have to ask my buddy to sent...

    the dyno curve? I'll have to ask my buddy to sent me a pic. I was so pissed I just left and didn't get a picture. 347.5 Cub in
  20. Just to clarify, I'm running 93 on the current...

    Just to clarify, I'm running 93 on the current set up, Which is the stage 4 cam and milled heads. I forgot and ran 87 on the stock 317 heads and smaller cam the day I went for a dyno tune and dyno...
  21. I got a riddle for you... Explain how I made Less Hp with new cam and heads set up.

    Okay guys, My tuner/buddy/ teacher and I are stumped. Previous set up

    MSD atomic Air force
    Stock LS2 Injectors
    holley 102 DBC
    4Inch CAI
    LS7 MAF/ IAT
    317 Heads
    Patriot double Valve Springs...
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    I did a chassis ground with pin 3 as well

    I did a chassis ground with pin 3 as well
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    Made myself a serial cable and pinned the 3 and 5...

    Made myself a serial cable and pinned the 3 and 5 terminal to serial signal and ground. Using lambda on hp tuners
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    I?m still using the serial. I just transformed...

    I?m still using the serial. I just transformed it. What do I have to do to try the serial data mod?
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    thank you sir. I didn't even think about doing...

    thank you sir. I didn't even think about doing that! I learned a new trick of the trade today.
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