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Old 10-14-2019, 08:05 AM   #1
6spdhyperblue


 
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Exhaust Pops crackles 16-18

theres been a few ppl asking about how to increase them and we’ve been hearing that the 2019+cars definitely have more pops coming from the exhaust. this guy posted his stock 2019 file for us to look at and confirms this theory. There are a few tables that effect the decel pops but seems like the min spark tables are what gm changed from previous years. What I did was use the top three rows of both minimum spark tables and blend it in the next row or two. Gm has taken that table further than I have before and yeah it crackles a lot.

Quote:
Originally Posted by floridanick View Post
https://gofile.io/?c=JArkyY

not sure if that will work or not?

Last edited by 6spdhyperblue; 11-29-2019 at 10:18 AM.
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Old 10-20-2019, 05:50 PM   #2
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My car is a 2019 A10 SS , not 2020 fyi
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Old 10-21-2019, 09:26 AM   #3
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That's is how I made mine pop more. Dropped the top 2 rows of minimum final spark to like 5. I wouldn't do any blending, though. It can lead to some weird driveability issues. You can also disable DFCO to get a bit more/longer pop.

If I remember right, I only did mine above 2k rpms so I could keep it from popping when I want to (I leave the neighborhood every day at 4:30 am for work).
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Old 10-21-2019, 09:32 AM   #4
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Yeah people have been recommending around 5. Take a look at the file, it’s much more aggressive than that. People have said that may result in damaging the cats but I suppose not.

If you look at this file it is blended. If you’re not dropping the whole table and only the top rows you might want to blend a row or two as the 19+ file does.

Last edited by 6spdhyperblue; 10-21-2019 at 09:51 AM.
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Old 10-21-2019, 09:38 AM   #5
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Quote:
Originally Posted by floridanick View Post
My car is a 2019 A10 SS , not 2020 fyi
Thanks for clarifying
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Old 10-22-2019, 12:13 PM   #6
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Quote:
Originally Posted by 6spdhyperblue View Post
Yeah people have been recommending around 5. Take a look at the file, it’s much more aggressive than that. People have said that may result in damaging the cats but I suppose not.

If you look at this file it is blended. If you’re not dropping the whole table and only the top rows you might want to blend a row or two as the 19+ file does.
Not too worried about my cats....

Good info for the guys that kept them tho. Need to go find my hptuners pc so I can look at that file. Dang Imelda flooded me out so all that stuff is stashed away somewhere.
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Old 10-23-2019, 08:24 PM   #7
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Looks at the top three rows. This is where the decel happens

Ok 17 on top
19 on bottom
Attached Images
  

Last edited by 6spdhyperblue; 10-24-2019 at 01:02 PM.
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Old 10-24-2019, 12:35 PM   #8
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That's interesting that the spark timing would have changed between 16 and 19.
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Old 10-25-2019, 07:44 AM   #9
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Wow, the whole table looks changed.
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Old 12-08-2019, 01:03 PM   #10
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It's there an easy and safe way for newbies to do this through hp tuners? I just got my car tuned remotely and would like to try this out, but I dont want to mess up the tune that's in it. Mine doesnt pop at all, ever.
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Old 12-08-2019, 01:53 PM   #11
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Download the file in the op. Copy the top three rows over from that tune into both minimum spark tables in your tune. Take a screen shot and post up what the top 6 rows look like.
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Old 12-08-2019, 04:11 PM   #12
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Quote:
Originally Posted by Booher View Post
It's there an easy and safe way for newbies to do this through hp tuners? I just got my car tuned remotely and would like to try this out, but I dont want to mess up the tune that's in it. Mine doesnt pop at all, ever.
Always make a backup copy of the current tune file. Then be sure to do a “save as” and then add the changes to the file name.
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Old 12-08-2019, 05:41 PM   #13
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Ok, I'll mess with that tomorrow after my dyno, I dont want to mess with it before that, thankyou for the info.
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Old 12-09-2019, 07:13 AM   #14
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had a bimmer glide up next to me last night with all snarling and popping an shit. looked like he was looking for a run. he jumped me first then i merged to his lane and punched. either i caught him by surprise or he lost heart but he was still pulling before I hit my exit.
all show- no go.
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