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Buick - Fuel Injector/Chip Combos
60lb/hr Injector/Chip Combo for Buick/TTA - Flow Matched
TurboTweak Injector/Chip Combo
Stock Status:(Out of Stock)
It takes about a week to make the custom chip.
86/87 Turbo Buick
84/85 Turbo Buick with 86/87 ECM
84/85 Turbo Buick
89 Turbo Trans Am
Street (pump gas)
Race (race fuel)
Chip for E85 Fuel (minimum 50lb injectors required)
114 and higher
Upgrade to version 6.1 chip?
No, I want the standard 5.7 chip
Yes, I want the 6.1 wideband chip [Add $35.00]Specifiy type of wideband in order notes.
ECM reading correct MPH?:
Yes, it's within +/- 5 MPH
No, the reading is incorrect
No, it reads zero MPH
I don't know, lets assume its right
If alky injection, what kit?:
If alky, how many nozzles?:
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.
Set of 6
60lb injectors (Siemens/Mototron) with matching chip (TT Classic v5.7). These may look skinny but they fit perfectly in the Turbo Buicks. Good for cars from stock down to 10.50's
in the 1/4 on race gas, or down to around low 11's on E85. Requires no ECM modifications (besides a matching chip). These are flow matched to within 1% of each other to prevent some cylinders from being leaner than others. Very good street manners.
Custom computer chip made for your Turbo Buick or Pontiac TTA. This chip has user adjustable features that allow you to do fine tuning of WOT fuel and timing if you wish (need a scantool). Choose either a street chip (pump gas), race chip (race gas), or a chip for alcohol injection. Note the '84/'85 cars with stock ECM do not have the same features.
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. Will typically not pass emissions testing, but some people have done ok. For the 84/85 hotair cars, typical boost is around 12-14psi. Cars with the 84/85 ECM will NOT have the features of the 86/87 chip.
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. Excess knock will occur if the alcohol is turned off and you go to full boost. Typically will not pass emissions testing, but some people have done ok.
for use with race fuel only, 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. I can make the torque converter lock at WOT if you request it. I never set the torque converter to lock at full throttle unless specifically requested.
Chip Features for Version 5.7 for 86/87 Buick and 89 TTA:
-User Adjustable features! - requires a scantool
-User adjustable wide open throttle fuel, +/- 20%, also adjust 1st gear WOT fuel independently +/- 20%
-User adjustable wide open throttle timing, +/-9° from default, 2 separate settings for low gear and high gear.
-Open loop idle for smoothness, idle BLM still has learning capability (not locked to 128).
-For alcohol injection, special timing curves to help reduce "transitional" knock.
-Variable timing based on mph and airflow, provides extra timing in the low/mid boost area.
-BLM lock at WOT to improve consistency.
-Shift light capability through the SES light if requested.
-False knock ignore capability for launch, turns off when preset mph is reached if requested.
-Antistall, helps prevent stalling and reversion through the MAF when lifting off throttle after boost, helpful with higher stall converters.
-MAF/LV8 locks on to 255 under wide open throttle conditions for consistency.
-MAF "Dropout" ignore
-No EGR, egr function is disabled
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Buick - Fuel Injector/Chip Combos
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