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    looking for Nitrous tuner near Chicago

    For someone local, contact Sound Performance in Bensenville (right near O'Hare). They did a Nitrous set-up on a Gen II for one of my buddies a few years back. They also did the install and tune of my heads/cam GTS, using a VEC II.
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    Catalytic Converter Failed Inspection

    Thanks. Hopefully you will have better luck than I. I went out on Sunday and drove ~50 miles at 55-60mph and the cat monitoring is still reading "Inc.".
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    Catalytic Converter Failed Inspection

    I will be anxious to see if this works for you, Obsidian. I am wrestling with the same issue.
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    Any built head/cam package for sale?

    That is correct, multiple GG head/cam set-ups running 550-600rwhp on the stock fuel system. Mine is in that range on stock fuel, stock throttle bodies and haven't even ported my intake manifold :)
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    Cat monitoring incomplete

    Ok, I am willing to try holding right at 55mph and see if that works. This will be very humbling as I noticed everyone looking at me strange as it was being in a Viper and only cruising at about 60 on a Chicago interstate.
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    Cat monitoring incomplete

    Yes, many states just do a OBDII diagnostic to test that all required emission systems are working properly and no codes are present (as opposed to sniffer testing). If you have a CEL, even is not specifically emissions related, you also fail. What do the extenders do exactly? When I am...
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    Cat monitoring incomplete

    Well, went out this morning and drove an additional 62 miles, including ~42 miles on the tollway. About half of the hwy miles I held steady at around 60 mph in 4th and the other half at ~70 mph in 5th. Result.......Cat Monitoring still INCOMPETE! Any thoughts on what to check or where to...
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    Cat monitoring incomplete

    Hi Jack, I am not throwing any codes for the cats, but for emissions purposes, the cats have to read as "ready" when they scan the PCM. My O2's are heating and working properly and I have no DTC's being thrown or pending, but just need my PCM to switch from "INC" to "Ready" for the cat...
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    Cat monitoring incomplete

    Thanks for the replies! I had a couple codes previously, had the car retuned, erased, and have now cleared. All my parameters are good except according to my scanner, except the cat monitoring. It does seem that (and hope) that the steady state driving at hwy speeds is the missing component...
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    Cat monitoring incomplete

    I will give that a try then. I have been mainly driving on roads that where the speed ranges from 35-50, but have stop lights regularly. Hopefully some steady-state driving at highway speeds will do the trick, thanks.
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    Cat monitoring incomplete

    Thanks for the reply. The RT cats were installed new about 150 miles ago (was catless prior) from Jon B. I only run 93 unleaded premium gas, so nothing that should affect the cats or clog the O2's that I can think of. I am stumped.
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    Cat monitoring incomplete

    Grrrrrrrrrr Well, with some driving over the weekend, I have now driven over 100 miles and still showing "INC" for the cat monitoring:dunno: I do have the downstream 02's in place and my scanner confirms they are operational. I am kind of at a loss now. Has anyone had issues with the cat...
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    Cat monitoring incomplete

    Thanks, that is the exactly the type of driving that has been done, 35-55mph with regular start/stops every couple miles.
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    Cat monitoring incomplete

    It is a 97, so OBDII. This is a sad part, but I honestly don't know if I have the downstream 02's intact anymore. I suppose I better find out if during my multiple configurations with my exhaust that I even have them. Can they I visually see the wires or something to confirm or do I need to...
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    Shifter Knob and Short Throw Shifter...

    That is the same set-up I had installed over 3 years ago and really like it. I went with the SVS version that shortend the shaft 1" and it was perfect for me. I think the shorter shaft would be too low for my comfort.
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    What are Peoples thoughts?

    I don't know why, but I always like that style wing on my old Supra (OEM), but I thought is looked bad on a GTS.
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    Cat monitoring incomplete

    While I would never second guess your intelligence, at least on this forum :), I hope the figure is higher than 50 as I have probably gone about 60 miles, but my scanner still shows "Inc" :dunno:
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    Cat monitoring incomplete

    Hi everyone, Was wondering if anyone knows approximately how many miles it takes for the PCM to acknowledge the cats are functioning properly and switch from incomplete to ready? I need to get my GTS through emissions and that is the only parameter I still need since clearing/resolving a...
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    My Creampuff NA Build

    I would think for WOT tuning a dyno sheet with A/F ratios could be dialed in pretty good remotely. Unfortunately, I believe my specific rich bank issue combined with wanting to improve some part-throttle/driveability conditions would be challenging and would require a lot of back and forth...
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    My Creampuff NA Build

    Thank you EllowViper and Jack, your info is appreciated. I think I should just move on to the SCT for the best chance to get the results I need. Now I just need to find a trusted SCT tuner in my area.
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    My Creampuff NA Build

    PS. Sorry, I didn't mean to hijack this thread Viper Tony.
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    My Creampuff NA Build

    No disrepect taken. I know the idle speed can not be modified, but can the idle be tuned or perhaps the fuel pulse trimmed to put it in range of the closed loop adaptive range? If not, is the SCT capable of resolving the condition that is generating the rich bank CEL's? I'd soon park the car and...
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    Quick VEC II question

    Hey Marty. No, emissions junk. Had some hi-flo cats and new O2's put on a couple weeks ago, but still need some additional tuning as throwing rich bank CEL's. The cats cost me 23 rwhp on the top end, but gained about the same in the mid-range... so I will have to live with that compromise. I...
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    Quick VEC II question

    Thanks Plum!
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    Quick VEC II question

    Sorry if this may be a dumb question, but if I disconnect my battery, is there any risk of losing the current tune loaded in my VECII :dunno: Thanks in advance.

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