I am thinking of running race gas all the time and turning my alcohol injection off.I posted about a heated 02 sensor and most replys seemed to think they are a waste of money and told me they do not last much longer than a regular 02 sensor.Anyway with a thrasher chip I could put an old 02 sensor in and then leave it unplugged.i would run in open loop without setting a code.The only drawback is I do not have an egt meter and tune by 02's.But Thrasher wants you to run at least 45 psi and do not reccommend going over 47 psi so that is a close range anyway.Did anyone ever run a Thrasher like this?If so did it work okay for you?Now if someone thinks a heated 02 sensor is a good idea please tell me.I don't have much time left this summer and I want to make the most of it.Finally the heated 02 sensor I can buy is a Bosch 13077.Since I never saw one how do you wire it up.I am assuming it would have a wire for the computer and a wire fo 12 volts and maybe a ground wire.Bruce
The heated sensors do last longer than the oem especially when using race gas . I installed as follow:
Black wire- to oem connection
white wire- to ground
white wire- to wastegate solenoid pink/black wire
I use the sensors with a female 3 prong plug .You can buy the male plug at just about any parts store.That way it becomes just a simple plug in thereafter.
I really wouldn't try just guessing at the fuel pressure like that. I run race gas all the time and what I do (my car is not a daily driver) is I just keep the old sensor in the car and let it code. When I go to the track I put a new one in and reset the computer. For a while I would leave that sensor in until it coded, but by my second trip to the track, I'd make sure to get a new one the next day. I would guess I would put about 85-90 miles on a sensor before it would code, and like I said, the car isn't a daily driver. As long as you are safe with the car, you could just keep putting the old sensor back in when you are done at the track, just make sure to put the car back into a safe tune.
From what I've heard the heated sensors do last longer, or atleast they take longer to code. They seem to get "lazy" with the readings(ie slow reacting), as a normal one will as it's fouled, but shortly thereafter a normal one will code while the heated one won't. For the price, I believe the heated ones are like $50(?) and I think I spend about $25 a piece on the normal ones, I'll stick to getting 2 normal ones for the price of a heated one. I don't think the heated sensor will help you get the most out of your car, I believe their main benefit is improved cold idle? If you're going for good track time, you really want to run in the fall, it's better air than crappy summer air. Good luck.