Overall, a very good experience and I’m happy with the results. I’ll have to run the car for 105 miles to let the ECU relearn and then I’ll see if the gas mileage is any different too. As the throttle response is better, I think the engine RPMs come up faster to make the shift smoother (just my guess here). I also noticed that when shifting from 1 st to 2 nd and from 2 nd to 3 rd in heavy stop and go traffic, the low RPM clunk that the transmission periodically makes was less noticeable. In my car, the «seat of my pants» feeling tells me there’s definitely an improvement after the ECU tune. Is it the throttle response I’m feeling or is it the HP and torque increase? Maybe both… hard to say if you can really feel a 24 hp gain. From my first impressions, the car just accelerates quicker now. Without actually doing a before and after dyno of my own, it’s impossible to say exactly how much of a power gain my car got. The best way I can describe it was my original ECU program felt «lazy» compared to the remap.
#ECU TUNING GROUP FREE#
Pulling 1 st through 3 rd taking it to 6K+ before shifting was very noticeable in terms of how much free revving the engine felt and the car was «snappier». The throttle response is faster and more responsive. My first drive impressions of the ECU tune were: 1. Basically to find a clear stretch of road and drive it spiritedly for the first few gears.
After it was all done, he explained what to do with the car to start the «relearning» of the ECU with the remapped values. He also answered a few other questions regarding my exhaust bypass setup with fuse 22 (pulled out). Before we started, he fully explained the whole process and what steps he’d take.
#ECU TUNING GROUP SOFTWARE#
Jags wanted to make sure the car was on the latest software before the remap and he had to contact a colleague in the UK to pull the latest Aston files for my car. It took about 90 minutes and the longest part was waiting to get the latest software for my ECU. Great service as I didn’t have to drive to the Fremont location, and done right through the OBDII port. He came to my workplace to do the work as my car didn’t need to have the ECU unit taken out of the car. After a week of Q &A with Jags, I took advantage of him being in up in the Bay Area and had him tune the car. They gave ETG good reviews and said their customers who had the work done through the dealerships where very happy. He also gave me a list of Aston Martin dealers he had done business with and I called two of them up. From Jag’s dyno chart, the HP to the wheels increased around 24 and the torque was around 19 - 20 ft lbs. When I asked the other tuners, they said they’d get back to me and never did.
One of the key differences between Jags and the other tuners was the ability for him to backup his claims with a dyno test on the same model year and make as my car.
He said to be careful with the headers as that can dramatically change the sound of the car and make it too loud. Then after a few weeks, see how I like it and if I wanted more, to do the CATS next and advised me on which ones to get and why. Very honest and although he could have sold me an exhaust system with the ECU tune, he said to try out the ECU tune first. I also asked about getting my catalytic converter and potentially the headers done too, and he was very patient on his answers. Jags gave me his company’s history and told me how he’d tune my car and what it would entail, how long it would take, and what gains I could expect. He was very helpful in answering my questions in great detail and when questions got lengthier, he gave me his cell phone to call to make it easier. Although all three companies responded to my emails to answer my initial questions, Jags from ETG stood out. I researched several different tuners before selecting ECU Tuning Group ( ETG) for my Aston Martin Vantage v 8.
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