O2 sensor question (and some others)
#1
O2 sensor question (and some others)
My son (Archion) is building a new powertrain for his 86 F150. It is a .040 over 5.8L and a 4R70W. We have all the needed electronics and wiring needed. He is planning on using a Hooker true dual exhaust HOK-16665HKR from Summit Racing. The EEC is a BUG0 from a 1994 F150 5.0L with 4R70W. He plans on using a Moates Quarter Horse for tuning.
He does not have a way to put an H pipe in the exhaust and lives 4 + hours away from the only shop I would trust. The question is, can he get away with using only 1 O2 sensor on the right side like the 86 did? If not, is there a way to run 2 O2 sensors on this EEC?
Thanks,
He does not have a way to put an H pipe in the exhaust and lives 4 + hours away from the only shop I would trust. The question is, can he get away with using only 1 O2 sensor on the right side like the 86 did? If not, is there a way to run 2 O2 sensors on this EEC?
Thanks,
#2
Join Date: Jun 2006
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Pre OBD-2 Ford truck EECs only used 1 O2 sensor for the most part(some Cali spec versions had 2) and I know from personal experience that even if that specific computer has 2 sensor inputs you can use a single sensor in the passenger header collector and feed both computer inputs with it, that is how my truck has been setup for more than a decade now and it's equipped with an Ford Racing MAF conversion kit which uses the dual sensor Mustang EEC. I also have a TweecerRT and have experimented with dual sensors, with the fuel trim data I was able to observe there was no significant advantage to dual sensors, both banks tracked identically which is what you would expect when all 8 injector are performing the same, so my conclusion was this wasn't worth the bother. I'd also mention that my truck has successfully passed tailpipe sniffer tests with both a cammed 5.8 and the current 5.0 under the hood using the same MAF control system.
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