Quote:
Originally Posted by paiceyfan
First, I have a manual, so not totally comparable. Also, my set-up is very basic, which consists of mostly stock items, with Continental DWS tires and the Edelbrock Supercharger with CARB Tune.
Running in this configuration, I have had issues with a fluctuating idle since the supercharger was installed back in March. Also, when I accelerated away in first, I felt like I had to give a little extra gas to prevent bogging down and then release slightly for a split second and then get back on it again, which took a while for me to get used to.
Of course, like others, I wondered if this was a vacuum leak or a characteristic of the CARB tune. I probably should mention that I am using Shell 93 octane gas.
Recently, Neal at The Racers Line suggested I consider the Delicious tune. The first version (21.0) has completely eradicated the idle issue and the bogging down, so I assume that means the CARB tune was the issue.
I am going through fine tuning now to get it as good as we can, but even the basic Delicious tune solved my issues.
I am not saying this is a solution for those who see the idle fluctuation problems, but it worked for me. Also, I wonder if Edelbrock need to look into this a little more closely. Maybe, there are some cars out there where the CARB tune has it's issues, but not with others, which feedback from owners would suggest.
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Your issues sound similar to mine but I don't think I have issues with idle(at least I don't think, I honestly know 0 about cars lmao). I am using shell 93 in Florida, and I have a custom tune from a local tuner. My car is also all stock engine wise besides spec-d exhaust.
I also notice it only happens once the engine has warmed up. On short trips it doesn't do it. Only when I have been driving for about 20 minutes+