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Thread: how can i adjust decel parameters? for srt

  1. 05-17-2015 #1
    cammedupsrt4
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    how can i adjust decel parameters? for srt

    Well im looking at trying to adjust the decel for my srt4, i like the popping that srts do lol but i dunno how or where to adjust decel? And my decel is kinda rich some while deceleration. Thanks guys
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  2. 06-06-2015 #2
    Turbo2.0
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    copy the part throttle base timing, the VE map, and then go to Engine/fuel/cutoff/delay and change all the boxes to 7-8 seconds
    This will give you the loud popping you are looking for.....The rest of this tune is a Stage 1 SRT with a modified WOT FA enrichment, boost by gear, 20 psi,and no overboost codes. It is from my daily driven SRT. New OX base tune 32915.hpt
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  3. 06-06-2015 #3
    Turbo2.0
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    The attached file has the same decel, but it does not have the 20psi or boost by gear. The one inline with the paragraph has all the goodies.
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  4. 06-07-2015 #4
    B00STJUNKY
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    Forgive my curiosity, but when you say boost by gear, do you really mean boost by MPH? I don't see a torque by gear table, but do see a torque by MPH.

    I know you can setup breakpoints in MPH vs Torque to match the speeds that would correspond with each gear change on a "pedal-to-the-metal" pull, but there is always some amount of MPH overlap from one gear to the next that is hard to overcome or compensate for when rolling starts are encountered.
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  5. 06-07-2015 #5
    Turbo2.0
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    Yes, boost by mph, but most of the SRT community knows it by boost by gear.
    The table is not there in useable form in Stage 2 or Stage 3 ECU's.
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  6. 07-27-2015 #6
    cammedupsrt4
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    Well i was just looking where to adjust for the decel and popping, i have my tune im on 1000s and big turbo, i just wanted to see where to adjust for popping on decel
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  7. 02-06-2016 #7
    Jbors27
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    I have the same setup as you, 1025cc Siemens, and big turbo. having a hell of a time trying to tune my car on HP. car wants to spike over 35psi, which is no bueno. Forgive my neediness, but is there anyway I could take a look at the tune your running to give me a decent starting point? Im running 1025cc inj, wally 255, 3bar map and tip, tial 38mm wg with 15lb spring, and a 62trim. 05 pcm. so far I can drive the car, but can't get into boost at all without all hell breaking loose. Thanks in advance for any help you can give.
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