Quadrajet l69 305.
09-15-2018, 12:38 PM
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Car: 84 z28
Engine: 305 l69
Transmission: 700r4
Axle/Gears: 3.08?
Quadrajet l69 305.
Hey everyone i have a 84 z28 it has a quadrajet carb and it runs too rich i was told i have to punch out the two plugs in the front of the carb to adjust the air/fuel it also has headers with no o2 sensor i was wondering if i could reflash the cpu and adjust the air/fuel from the computer if anyone has ever had any luck with this please let me know thanks
09-15-2018, 06:55 PM
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Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: Quadrajet l69 305.
Are you still using the CCC QJet carb?
If so, what you have been told WILL NOT WORK.
Without the O2 sensor, the ECM has no idea how to control the carb - and the distributor advance.
You either have to get the complete CCC system running again,
or abandon computer control completely and use a manual carb and distributor.
You also have to find a way to control the TCC torque converter lockup.
https://www.thirdgen.org/carbswap/
If so, what you have been told WILL NOT WORK.
Without the O2 sensor, the ECM has no idea how to control the carb - and the distributor advance.
You either have to get the complete CCC system running again,
or abandon computer control completely and use a manual carb and distributor.
You also have to find a way to control the TCC torque converter lockup.
https://www.thirdgen.org/carbswap/
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