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Type: Posts; User: South Lakes Speed Shop

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  1. For anyone interested, swapped back to serial...

    For anyone interested, swapped back to serial today after making a new cable and the problem is gone. RPM reads perfectly all through logging
  2. No takers on this? As an update I hit 5000rpm...

    No takers on this?

    As an update I hit 5000rpm on a few shifts today yet VCM had frozen out the RPM at 2400 max.......so lost all that data! Which is shit

    I have since ordered another serial...
  3. VCM Suite - RPM going stale with Pro-Link?

    Is anyone else experiencing issues where the RPM readout will freeze for a few seconds during logging then come back online?

    I have just notcied this since starting to use the Pro-Link input...
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    We're up and running! Thanks Russ, taking that EQ...

    We're up and running! Thanks Russ, taking that EQ log off cleared up the numbers. I have pulled a little timing now and a little fuel so will rinse and repeat until the secondary VE is good then re...
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    I gotcha! So SD primary can only be tuned...

    I gotcha!

    So SD primary can only be tuned with MAF enabled

    SD secondary is MAF off

    SD secondary is only used when MAF is off but any change made to secondary needs to be mirrored in...
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    Thanks for the clarification, I will focus...

    Thanks for the clarification, I will focus efforts on the secondary then! This is all a learning curve for me and I've very much jumped in at the deep end with trying to tune something that has a...
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    thanks Russ! I guessed it would be something...

    thanks Russ! I guessed it would be something stupid I was missing out :pray:

    I will try and log tomorrow or monday without the EQ log and report back, I have also orderd an AEM with the CANBUS...
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    Thanks, I will modify the secondary although...

    Thanks, I will modify the secondary although given the AFR readout that still doesn't make sense that it is showing the primary as 40% rich

    I was also under the impression that primary was...
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    Sure, I'll attach it here For reference...

    Sure, I'll attach it here


    For reference engine is on stock injectors, but is a 383 with ported heads, Holley fabricated sniper intake and an MS3 cam
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    Unfortunately not, I tried all the user math...

    Unfortunately not, I tried all the user math before starting to make my own
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    Yes, just the graph seems to be messed up. ...

    Yes, just the graph seems to be messed up.

    Someone on one of the facebook groups suggested it may be trying to output in EQ still even though its a transformed function (thus giving the wacky...
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    It is getting to the point where I'm just going...

    It is getting to the point where I'm just going to buy an AEM and in fact I may well do........

    The LM-2 looked good which was why I went with it but in hindsight I probably should have gone AEM,...
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    C'mon surely someone has to have an idea? ...

    C'mon surely someone has to have an idea?

    Here's a better example


    1011 RPM

    Commanded AFR = 12.46
    WB AFR = 13.20
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    I tried that and get stupid numbers too........ ...

    I tried that and get stupid numbers too........


    Losing the will to live with this one, so my AFR math should be correct according to this current one but if you look at the logged AFR at around...
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    AFR Error Math???

    Hey guys, need a little help setting this up......


    Not sure what the hell is going on with the math but I cant get my LM-2 to give me a proper percentage that makes sense


    Using this math...
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    OK! So I'm a freaking idiot................. ...

    OK! So I'm a freaking idiot.................


    Turns out I was being tricked by the car. It primed but had intermittent (mainly not) pressure in the run position because the ground on the relay...
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    I corrected the cylinder volume up to 0.78750 ...

    I corrected the cylinder volume up to 0.78750

    With regards to the timing I took the notes off this forum saying the MS3 wants 30 degrees in the idle areas and inputted them

    AFR is coming back...
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    I did try that, unfortunately it wont stay...

    I did try that, unfortunately it wont stay running

    I am not sure if it could be a fuel pressure issue or a base tune but I think it is most probably base tune, this thing has been fighting me...
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    383 LS1 Tuning Help

    Hi guys, I'm new to tuning but trying to learn as I'd like to be able to offer it as a service in the future and also I wanted to get my own car running with a tune I created......so first off my HP...
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