It was constantly hitting 24 psi and sitting there until I let off the throttle. On the Bren tune I just don't think the boost was set correctly. They give a great product and great customer service. If there is one thing I think they should do differently it is more advertising. With the others it would just be a short answer if any. Any question I asked he took the time to answer in a way that I can understand. After ever revision he would ask for details about how the car ran and what I thought unlike the others who seemed to only go by the logs. The one thing I appreciated the most about Ambot Tuning is the communication. It had great hp/torque between 2500-4000 and amazing hp/torque from 4000 to 6000. If I look and power between the 4 this one seemed the best overall. He immediately fixed on the 2nd revision. I did have 1 check engine light that showed "Rear o2 sensor stuck lean". This process took 5 revision.Īnd last I tried Ambot tuning. Overall I can't complain because he was right on everything he told me. At that point I plugged the egr back in and the noise went away. I brought this to Ron's attention and he said it shouldn't sound any different. It almost sounded like the ticking noise from direct injection but 10 times louder. He was right the power down low had increased drastically but I had a lot of noises around 2500 rpm. I messaged Ron and he said if I did the egr unplug it would fix that so I did. Anything below that and it seemed to be lacking in the power department. This was a pretty good process and the car made really good power past 4000 rpm. This process took 2 revisions and still didn't run correctly. I don't think I can ever go back after this experience. Once he saw that he emailed and said he was going to have to refund this order. At this point they just didn't seem to care so I ended up filing with my bank to get my money back. I even asked Brendan if it could be bad gas and if we could do a 91 tune. Neither seemed to understand that if the clutch was slipping then the engine should rev and not just sit there. I contacted Brendan directly and his exact response was "tuner says clutch slip so I can't do anything". At that point I felt like it was over-boosting by a lot. The car ran fine but the power was just not there. I contacted the tuner and he continued to say the same thing when I sent him logs but did send me a boost test file which limited the boost to 17 psi max and then settled at 14 psi. I took it to my mechanic and he said its definitely not clutch slip since the rpms don't increase. I sent him the logs and he said my clutch was slipping. After the 2nd revision I noticed when I'd punch it the boost would hit 24 psi and the car would hesitate and not rev until I backed off. ![]() ![]() Right off the bat the tuner told me his first revision is 90% right and all he'd have to to adjust is is for 6000 rpm and higher. I'm sure some have great results but I didn't. Overall it was a good process and I have zero complaints about this tune. From the beginning the car ran great with increased power everywhere. I started with torqued performance and it was a 9 revision process. My car is stock so this is a stage 1 etune. I just wanted to try them all and give my take on how it went. I just wanted to give my take on torqued performance, phatbotti, Bren and Ambot tuning.
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