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TurboTweak Wideband Chip v6.1 (or upgrade)
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TurboTweak Wideband Chip v6.1 (or upgrade)
Chip made to work with a Powerlogger and wideband O2 system. If a wideband is connected to the Powerlogger, the chip can run in closed loop at full throttle to keep the air/fuel ratio as close as possible to your target setting. Minimum 50lb injectors. See below for more details.
There is a 7-10 day lead time on custom chips, so plan ahead!
For requested information below, if a particular part is still factory original, then just put "stock" in the box.
Availability when in stock::
Usually ships in 7-10 Days
86/87 Turbo Buick
84/85 Turbo Buick with 86/87 ECM
89 Turbo Trans Am
Street (intended for pump gas, no alcohol injection)- Read below about difference between Street and Alcohol
Alcohol (must use alcohol injection)
Race (race fuel)
Chip for E85 Fuel (minimum 50lb injectors required)
Upgrading an old TurboTweak chip?
Yes, I'm sending you an old TT 5.0 to 5.7 chip [Subtract -$25.00](Must send in old chip.)
Yes, I'm sending you an old TT 6.0 or 6.1 chip [Subtract -$65.00](Must send in old chip.)
Injector Type (part# helpful)
- Please try to give part#. No ebay, replica, or smartfire injectors! Only genuine Siemens, Bosch, SMP, Lucas, etc.
114 and higher
ECM reading correct MPH?:
Yes, it's within +/- 10 MPH
No, the reading is incorrect (tell me how much)
No, it reads zero MPH
I don't know, lets assume its right
If alky injection, what kit?:
If alky, how many nozzles?:
What wideband system do you have?
PLX (all models)
AEM Guage type (30-4100, 30-4110)
AEM Inline (30-2310)
Innovate (all models)
NGK Powerdex AFX
AEM 30-0300 X-gauge, and Failsafe 30-4900
Something else (let me know)
Intended max boost with this chip:
If this is a street chip, typical safe max boost for 93 octane is 16-18psi depending on the car and fuel quality on an 86/87 car. 84/85 cars are more like 11-14psi.
1/4 mile goals, (if any):
Keep this short, enter extra info during checkout.
Adjustable chip that must be used with a Powerlogger, and can make corrections to the air/fuel ratio based on wideband readings. You must have a wideband O2 system connected to your Powerlogger to use the closed loop full throttle control. Needs a stock MAF, or a Translator/MAF setup. Not for injectors smaller than 50lb/hr. The chip still uses the stock O2 for all the low end fueling, idle, cruising.
The available user adjustments at this time are:
1 = WOT A/F Ratio - 1st/2nd gear
2 = WOT A/F Ratio - 3rd/4th gear
3 = Mid Boost A/F Ratio - all gears (part throttle)
4 = Base WOT fuel
5 = Spark Timing Offset - 1st/2nd gear
6 = Spark Timing Offset - 3rd/4th gear
7 = WOT TCC Lock MPH
8 = Base Mid Boost fuel (3 to 14psi)
The chip is calibrated specifically for certain widebands, so I need to know if you have a LC-1, PLX, etc. There are some widebands that I don't have calibrations for yet. Basically, the chip works like my 5.7 chip, except there are more adjustable features. It also can read the wideband reading from the Powerlogger and do corrections.
In the chip, you have three target A/F adjustments, mid boost (3-14psi), WOT 1/2 gear, WOT 3/4 gear. If you set an A/F of 11.5, it will try to maintain that as best it can based on info from your wideband. You have to make sure your wideband is working properly so you don't get false info (garbage in, garbage out as they say). The program can add up to 33% fuel, and subtract 10% fuel to maintain the A/F. You can adjust the base WOT fuel to keep the correction inside the "window". I limited the subtraction to 10% so it can't get too crazy pulling fuel if something wrong happens.
: for use with pump gas (91-94 octane), and will also work with alcohol injection. 16-17psi boost in most cases (maybe a little lower with 91oct), WOT fuel will be set up for that boost level, around 18 degrees timing. This chip is not available for cars with the 84/85 ECM.
: for use with pump gas when alcohol injection is being used, timing is increased to around 21-23 degrees, boost is increased to the 20-25psi range, along with some other small tweaks to work better with the alcohol. Alcohol injection MUST be used with this chip.
The calibration is made for 100% alcohol, no water mixes.
Excess knock will occur if the alcohol is turned off and you go to full boost.
: for use with race fuel only, NO alcohol injection, high timing around 26 degrees depending on octane and combo, more WOT fuel for high boost. I need to know what your goals are, what boost range you're going to run, and octane of the race fuel.
All chips are for off-road use only.
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