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Type: Posts; User: Jason W

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  1. Replies
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    2,612

    I have finally gotten around to updating this...

    I have finally gotten around to updating this thread! The timing tables haven't fixed my issue, but they have improved the smoothness of my acceleration a bit.
    One thing I have noticed is that I...
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    Thanks for the suggestions guys. I recently...

    Thanks for the suggestions guys. I recently dropped all the timing values in the area up to 2000 revs to 13 degrees to match what I had in my idle tables. This was only done to make the timing stay...
  3. I can only suggest what I found saved me a lot of...

    I can only suggest what I found saved me a lot of headaches with my car with idle, but others may say it wasn't a good move as it could be washing any oil off my cylinder walls due to injecting fuel...
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    Slight stumble in rev range

    Just wondering if anyone has any ideas on what could be causing a bit of a stumble or surging around 1500 revs while gently accelerating. I know there could be heaps of things, but any ideas would be...
  5. Upgrading to the Beta software just worked for me...

    Upgrading to the Beta software just worked for me too. I have the early version MPVI 1 interface and any of the SAE parameters weren't logging.

    Is this noted anywhere in a log of known issues...
  6. Definitely related to AC

    Does anybody know if the AC cutout is related in any way to the tune of the car? Without fail if I rev over my AC cutout revs then my IAC opens up to 310 and stays there for about 20-25 seconds, then...
  7. Just wanted to update on this one for what I have...

    Just wanted to update on this one for what I have been playing around with over the last day or so. I think it may have something to do with the AC cutout above specific revs (4000rpm) as when I...
  8. Have you tried changing your End Of Injection...

    Have you tried changing your End Of Injection Timing settings? I ended up maxing out the Boundary to 8, then have the normal and makeup tables around 7.9 and 7.5 respectively in the 80-105 degree ECT...
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    I have a stroked L76 block and have found that I...

    I have a stroked L76 block and have found that I can't push the timing anywhere near what I had on the LS1. I would have thought you would have been able to get a bit more than 20 degrees before...
  10. IAC desired position 310/reset issue after WOT

    Hi.

    I am having issues lately with my IAC going up to 310 after I have been at WOT for a short time. I have attached a scan as well as the tune that was with this scan.
    In my tune the box that...
  11. I know this post is old now, but it's where I am...

    I know this post is old now, but it's where I am currently at with my tune. After building a 402 stroker for my WH2, I got it running, bumped up the timing and the PE tables and left it there for...
  12. Thread: Poor idle help

    by Jason W
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    1,315

    I have started to sort this out after all this...

    I have started to sort this out after all this time. I ended up setting all my end of injection timing to 8 and it seems to have smoothed this out heaps! Previously I had increased it slightly but...
  13. Thread: Poor idle help

    by Jason W
    Replies
    1
    Views
    1,315

    Poor idle help

    Hi.

    I am about at my limits on tuning the idle on my car! No matter what I try I can't get it nice and smooth and even at 900rpm it still has a shudder when both in gear and in neutral or park....
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    OK. I have finally been able to attach these...

    OK. I have finally been able to attach these files! Must be something in the coding of Google Chrome! Internet Explorer actually worked!

    Anyway, the log attached shows a bit of the AFR pulsing I...
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    Idle afr jump and lean cruise surging

    Hi.

    I am yet to upload my log and tune as I have attempted it this morning and nothing shows up to attached after uploading! I will try again after work...

    After playing around with the tune on...
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    Idle AFR and base timing questions

    I have had a bit of a search for these things but so far haven't found a direct answer to the following questions:
    #1: When using the scan tool I command an AFR of 13:1 and it gets me a fairly nice...
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