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  1. Replies
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    Found my issue! pulled my injectors and compared...

    Found my issue! pulled my injectors and compared the orings to an injector I know sealed correctly in this manifold and my brand new orings were too small!!! I was definitely pulling air in through...
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    Thank You for your advice. I know exactly what...

    Thank You for your advice. I know exactly what your saying about the axis' being flipped. I found that out the hard way when I tuned the car originally with the ASA Cam in the LS2 with LS2...
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    Ok I am starting to get frustrated. I made the...

    Ok I am starting to get frustrated. I made the above changes and now after 2 minutes of running my check engine light is flashing. Engine went back to running lean. IDC was at 4% till the idle...
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    Ok I just pulled an injector and took this image....

    Ok I just pulled an injector and took this image.

    Part numbers are:
    0280158051
    80527

    Cross referenced the number and theyre the stock LS3 injectors.
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    Ok just made the changes and I should have a log...

    Ok just made the changes and I should have a log here shortly. Thank you for helping me out.

    So I am going to explain the injector changes I made and where I got my info.

    So I started with a...
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    Ok I can turn my LTFTs off. You make a valid...

    Ok I can turn my LTFTs off. You make a valid point at why my IDC is low. I have no idea as to why. What steps should I do to correct that?
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    Ok that brought me down to 800rpms for a breif...

    Ok that brought me down to 800rpms for a breif second. Idle still climbs and hangs at 1800rpms then searches to go back down. So i was able to shave 200 rpms down to a normal idle but it is not quite...
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    OK! That got me in a lot safer of a place. My...

    OK! That got me in a lot safer of a place. My STFT were only up to 5% rich. Much better but it took a minute or 2 to lower down to there from 12-7%

    So i checked your settings you changed in the...
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    Awesome! Thank you for you help. I am going to...

    Awesome! Thank you for you help. I am going to load this tune and give it a try and attach the log. As far as the IFR data, did you see any discrepancies or anything odd compared to normal LS3/LS7...
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    So I reviewed your tune and it looks like the...

    So I reviewed your tune and it looks like the only injector data you changed were the Short Pulse Adder & Offset vs. Volt vs.Vac.

    So do you think the rest of the injector data is correct? Im about...
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    So I ran the tune provided and the car ran and...

    So I ran the tune provided and the car ran and idled fine but it was still dangerously lean in the area of being +28.

    I attached a copy of the log but i was at least able to log a little throttle...
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    Does anybody have a compare file of an e40 with...

    Does anybody have a compare file of an e40 with ls3 injector data?
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    Ok I can do that but this is where I am confused....

    Ok I can do that but this is where I am confused. I'll just be honest but I feel lost on the injector data. Which areas do i need to specifically look at?

    I literally copied data from a 06 Z06 and...
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    Here is an attached copy of the log for about...

    Here is an attached copy of the log for about 30secs...

    at 1200 rpms it went up to 25.87 @ 65Kpa.

    I definitely need some help. Should i bump my fueling up 20%???

    Car just smells rich but...
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    Ok so I just modified my VE table and reduced a...

    Ok so I just modified my VE table and reduced a lot of timing from my chart at all areas above 2k to around the 20-22 range. I will not be doing any WOT pulls till my Wideband comes in but I would...
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    Thanks for the tip. I can definitely give that a...

    Thanks for the tip. I can definitely give that a try. I thought it was running lean but it smelled rich. I did have a steady idle (no surging) and the car fired right up. The big issue was as soon as...
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    E40 GTO with ASA Cam and LS3 - Start-up tune

    Hi All,

    I am in desperate need of help on getting my fresh engine build fired up so I can safely break in my engine. I have experience with very basics of tuning on VE and MAF tables but I am...
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