You already have the chips; flash memory is a reprogrammable way of storing computer data. Tuners plug into the port under your steering wheel and change the program whith a specialized computer. This is usually done on a dyno - car running in different configurations to fine tune the engine and drive train programs.Where can you get the chips?
You already have the chips; flash memory is a reprogrammable way of storing computer data. Tuners plug into the port under your steering wheel and change the program whith a specialized computer. This is usually done on a dyno - car running in different configurations to fine tune the engine and drive train programs.
Stick with the factory version or plan on a couple of hundred for someone who knows what they are doing and knows how you want to drive.
I may get mine tuned and dyno when I go back to Bowling Green. It's just another 1/2 day north, but what I'm worried about, what happens when you disconnect the battery or Cadillac does a computer overhaul............do we loose our tuning?
Probably, if I know anything about computers.
disconnecting the battery would not effect it, but if they "flash" the computer, it basically resets everything back to stock, including any "learned" driving habbits.
That's what I'm worried about. Under what circumstances would they flash the computer?
The tuning should be stored in EEPROM. They should not be erased if battery is disconnected. For example, your key fob code is stored in the receiver in the car. Even if you loose battery, the receiver still has your key code stored in EEPROM and still recognize your key fob.I may get mine tuned and dyno when I go back to Bowling Green. It's just another 1/2 day north, but what I'm worried about, what happens when you disconnect the battery or Cadillac does a computer overhaul............do we loose our tuning?
Probably, if I know anything about computers.
I am not knowledgeable is the area of tuning, but I will share the little I know. It is my understanding that the ECU is intercepting the signal from the air sensor and modifying it prior to going to the main computer. The mechanics at the speed shop where I had the dyno performed were very impressed with the improvement / change. This was the first xlrv they had on the dyno so everyone stopped what they were doing to watch. When they ran the dyno they also monitored fuel air mixture and showed me on the graph how it changed / improved.What does it do to get the gain REDV?
This all sounds great and I was considering it until I read that Cadillac / GM will void your powertrain warranty if they find that the ECU programming has been modified. I guess I am stuck with stock for another three years!
Interesting Link Klap,
After checking out the SLR Motorsports page, I noticed their info for every performance chip is generic, and that leads me to believe their statements regarding manufacturer's warranties could be also. As a general rule, GM dealerships aren't always amenable to doing warranty work on performance-modified vehicles when it comes to upgraded tuning. Just to CMA, I'd personally check with my Service Manager before adding any aftermarket tuning enhancements to ensure there won't be a hassle if the dealer discovers my car's programming has been modified. If their module plugs into the data port under the steering column, or another easy-to-reach conector, it would be easy enough to disconnect prior to taking the vehicle in for service.
There wasn't any dyno info either, which would be beneficial when making a buying decision. While reading the FAQ, I asked myself, "If this chip is so wonderous and adds HP and milage, why don't the manufacturer's tune the car accordingly?" This isn't black magic, and the performance gains/milage savings would be great for marketing.
Sure enough, under their "How it Works" section they ask the same question and give a fuzzy answer, without a real follow-up (I think the operative words are, "at any given RPM", but hate quessing) :
. . . So here’s the real question, why would vehicle manufacturers put a bad tune on each ECU that they build? Each manufacturer builds and constructs a vehicle to create the maximum HP and MPG at any given RPM for marketing and sale purposes. . . .
As someone much wiser once taught me when making claims: "Show me the data." Has anyone out there installed this mod in their XLR and had their car before/after dyno'd?
I'm not saying their claims are bogus, I just want to know how substanciated they are before considering this upgrade. Adjectives are nice, but data rules. In the meantime, I'll shoot them an email for XLR-specific data and post the results if they send me anything.