958 CTT tuning – Those who have done it with Fabspeed
07-20-2018, 11:36 PM
#2
Rennlist Member
I'm the reviewer on their website. I did a track day in the Houston heat a few weekends ago and it did just fine. No overheating, no check engine lights, and the power was consistent. I have YouTube videos from inside the car but you can't hear too much since it's inside the car with the windows down. I haven't had any issues with it. You don't even notice it's there until you punch it. I'm not convinced the power gains are quite what they claim but it's been pretty hot and my only trip to the drag strip wasn't favorable at all for running a good time. I'd still recommend it because it did make a noticeable difference on mine.
I had a Eurocharged tune on my 955 CTT but it took a couple of tries for them to get it right. But once they did it was fine. No such issues with Fabspeed in my experience.
I had a Eurocharged tune on my 955 CTT but it took a couple of tries for them to get it right. But once they did it was fine. No such issues with Fabspeed in my experience.
07-21-2018, 02:34 PM
#3
Rennlist Member
Everyone seems to like the GIAS tune for the 958 CTT.
I'm either going with that or the Evoms when I do it
I'm either going with that or the Evoms when I do it
07-23-2018, 01:54 AM
#5
Rennlist Member
What does fabspeed want?