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03-24-2016, 11:40 AM | #1 |
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Satisfaction with S/C tuner - ESS kits
I have a question for the owners with ESS kits.
Without going into a debate on who is the best - always a subjective question/answer....I am specifically asking for feedback on the daily manners of your S/C car after the install and after tune. Any hesitation during WOT? Almost as if you are not able to modulate throttle. Daily manners after tune? Did you switch from the original tune? TIA for your feedback. If you feel more comfortable, PM me. |
03-24-2016, 11:45 AM | #2 |
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You won't find many ESS kits using different tunes unless there were purchased used and offered at a substantially lesser cost.
ESS designed the kit, no one knows the system better than they do.
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03-24-2016, 11:58 AM | #3 |
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Any hesitation during WOT? Almost as if you are not able to modulate throttle.
- No hesitation during WOT, but I also opted for the stock like throttle input/response as opposed to the default one ESS gives you with the SC tune. Daily manners after tune? - Nothing to report. Did you switch from the original tune? - Only changed the throttle input sensitivity as the original was to off/on without the subtle variances at partial throttle.
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03-24-2016, 12:06 PM | #4 |
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tom @ eas - I believe this as well, however I am experiencing a hesitation under load that did not exist prior to the tune. For a lack of better term, it's a herky-jerky sensation when I aggressively accelerate.
IMO - the tune should enhance the manners of the car and seamlessly make this better, correct? |
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03-24-2016, 12:07 PM | #5 |
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I ran ESS tune for 20K, switched to BPM myself and much more happy. Not cheaper, not bought used.
ESS not bad, just think BPM edged them out a tad. Either way the ESS SC itself is awesome. I also did not care for how the throttle felt with ESS's, im much smoother now.
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03-24-2016, 12:10 PM | #6 |
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BrewRifle - The hesitation may be a cause from the throttle response as you pointed out. I'll contact ESS and see what exactly the parameters are for throttle response with my tune.
Just for clarity - I have no complaints on anything else, just this one small issue. |
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03-24-2016, 12:32 PM | #7 | |
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How many miles on the car? When were plugs and O2s last changed?
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03-24-2016, 12:44 PM | #8 | |
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2- exactly like an oem/un modified car. i daily drive my car 6 days a week and have had my kit for fifteen months now. 3-no, flawless from the minute it was uploaded and started for the first time. I actually bought my kit used and from my research didn't really find the need to go to an aftermarket tuner. AJ/ESS did a great job creating the kit and the tune to go with it. i can't image how many dyno runs and hours they spent before releasing the kit
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03-24-2016, 01:09 PM | #9 |
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tom @ eas - O2 were not changed with the install, the plugs and injectors are new. The kit had 3k usage when I acquired it. The car's mileage is only 15k, and I've got maybe 1.5k with the kit installed. The Dyno did not show the hesitation - but TC was not on during the pulls either.
As Patrón mentioned - T/C being on most of the time may also be a factor. Until I've had more time behind the wheel to gain more confidence with the added HP - been a little hesitant to take 100% of the nannies off... |
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03-24-2016, 03:10 PM | #10 | |
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03-24-2016, 03:45 PM | #11 |
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Ah yea traction control on could be whats doing it, if you punch it in 1s 2nd 3rd depending on what tires your running you will get alot of hesitation/reduced power/braking etc that kicks in.
Just take it to empty parking lot etc start rolling a bit in first or 2nd and punch it with DSC off and see how it behaves.
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03-24-2016, 03:46 PM | #12 |
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I'd like to see dyno results for ESS S/C M3's with the ESS tune compared to dyno results for ESS S/C M3's tuned by someone other than ESS.
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03-24-2016, 03:58 PM | #13 |
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my 09 doesn't have mdm or other options so my TC is either on or off. it is a completely different animal with the TC off. the best way I can compare it is with the TC on it feels like an oem car without the supercharger from 1-3rd gear. turn it off and all the power is there.
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03-24-2016, 04:02 PM | #14 | |
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03-24-2016, 04:03 PM | #15 |
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that is what i've always wanted, especially ones that had the ess tune and dynoed then with the 'new' tune to see the difference. i don't remember anyone every doing that without some kind of change like a different exhaust or test pipes added. the question is then how close to 14:1 the other tuners are targeting for a/f ratios.
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03-24-2016, 05:31 PM | #16 |
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I had hesitation even jerkiness between 2k and 3k rpm. This was due to the Akra Evo line design apparently. When I switched to the ESS HFC line, the behavior became perfect for the lack of a better word. And AJ @ ESS has been amazing at advising and retuning for me. Top service.
Otherwise, I confirm DSC kills it almost all. MDM far better and saved me a couple of times so love it. Next I am switching tires to 265/295 and adding solid subframe bushings.
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03-24-2016, 09:04 PM | #17 | |
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1st pull:*Air Fuel = 14.89 Max *Boost = 6.59 2nd pull:*Air Fuel = 15.34 Max * Boost = 5.70 ESS 625, On BPM tune after switching from ESS. Got to say the Cali gas is terrible, even mixing 101 with the 91 octane I lost a TON of power soon as I got out west before and after switching Tunes. If I can find time to drive to coast Ill dyno before I go on a trip.
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03-25-2016, 09:56 AM | #18 | ||
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03-25-2016, 11:44 AM | #19 |
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Scheduled for a dyno session Wed so we will see what the numbers say.
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03-25-2016, 12:20 PM | #20 | |
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03-25-2016, 02:12 PM | #21 | |
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I don't even want to try tracking SCed M3 with TC off. That would be asking for trouble. |
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03-25-2016, 05:11 PM | #22 |
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Very true. And strange because I am comfortable driving my 997.2 with all the nannies off at the track and it makes 750 HP/ 800 TQ compared to the 600/400 in the M3. The 911 is known to suffer from the pendulum effect of the engine in the rear and I can tell because it snaps on me quick, but I can catch it every time. I have lost the rear end in my M3 more times than I've been able to catch it. So for now MDM stays on for me too. Maybe we just need more seat time/practice my friend.
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