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lmfao. qft! im using the stock system here, and all is good.

oh, hey nick... lol... did you guys ever figure it out?

yeah, but each rpm has its airflow limits for fuel cut to go into effect. i think that the slow spool doesnt let the airflow hit the limit low in the rpm range like the old turbo did. and btw, trust me you dont want a big t4. it sucks.

ive got my car running 14psi right now, and no fuel cut on the stock afm and injectors. the trick: big t4 turbo that doesnt spool till 4k rpm. i guess that the fuel cut tables have a certain max amount of air that can pass thru at certain rpms, and my old turbo @ 12 psi was exceeding that. new...

thats possible too, however, in his post he said that with the motor running rich, he would lean it out on the low throttle map (a big no-no) and then it would go back to where it was before.

suprarich is 100% right about how much it will cost to get the work done. in my honest opinion, you should buy a reman'd one or a known good used one. also, a caliper is used for measuring stuff when accuracy doesnt matter. (not in the case of a crank). you need a micrometer to properly...

Yes you are right about the sensor mounting location, but thats not what is causing your A/F ratio to bounce around. Once you try and tune like what i explained, then you will see it stabilize out. The o2 sensor should be mounted farther downstream to keep it for a long life.

OK, here is your problem. Set the Low Throttle point to 74%, and the High Throttle to 75%. Zero out everything on the Low throttle map. Tune ONLY on WOT. The TCCS will compensate whenever it is in closed loop. Also known as part throttle, since the ECU goes into enrichment mode (a form of...

so im making the conclusion that the ecu only needs to see some resistance... the actual amount isnt very important, it just cant be and open or closed circuit.... thanks very much you guys! hopefully ill get it figured out. also, on a side note, i thought that my car was running very sluggish...

hnmmm... you wouldnt happen to have a fuel pressuer gauge in cockpit would you?

whoops, miscalculation... jetjock, you wouldnt happen to remember who that was would you? also, if that resistor would cause a problem, is there another way out besides using the stock sensor?

ok, are you having any driveability problems, or are you thinking that there is a problem just because of your afr gauge? some facts about regular o2 sensors: in closed loop (note: not WOT) the o2 sensor should fluctuate between .2 and .8 volts. that is the max and min range on your narrowband...

ive got my innovate lc-1 hooked up to send as emulated signal to the stock ecu to keep it happy. its working fine. the only thing i havent done is get rid of the check engine lite (code 21) for no sensed resistance on the heater wires. tsrm says spec is 3.0 to 3.6 ohms. if i take a 1/2 watt 3.3...

working as a mechanic, i see shit like that (ok really, not THAT bad) happen all the time. people trust the people that work on their cars, and sometimes too much.

o wow. well, im gonna fix that and see if it goes away. i also had to stretch my existing intercooler piping a little bit, so i may have a boost leak, but ill just wait a few days and put my new driftmotion kit on. thanks for the reply

ive got a code 21 and 22. 22 is from the connector breaking off, code 21 is because my stock o2 has been removed, emulated thru my wideband, and the heater circuit is open (no resistance). the car feels like its pulling timing (rather sluggish) is there anything besides the knock sensor...

very nice... if you need some shims, send me a pm first. i have a box of about 200.

i wouldnt suggest tuning without the wideband, because what feels right might be too lean... fwiw, i noticed my car a LOT faster after i tuned it. the stock ECU likes to keep the A/F ratio around 10 or so. way too rich.

i was going to have my new head line bored (even though it looked pretty good already) and they were going to charge me $200. however, since the mk3 head is closed off at the rear, they told me that their boring machine needed to poke all the way thru and move back and forth. so what they did...

of course, the classic "You spend more time under the hood than behind the wheel" and "you have the torque specs for every bolt on your whole engine memorized" and "you have this link (http://cygnusx1.net/Supra/Library/TSRM/MK3) as your home page"