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September 6th, 2007, 05:01 PM
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Failed AZ. emissions high NOX
today I failed due to high NOX, here are the numbers.
vechicle state standard HC 0.78 1.60 PASS CO 4.34 15.00 PASS NOX 2.96 2.50 FAIL I am running a TT emissions chip set at 38psi line off, new cat all egr ports welded, new motor with 224/224cam 50psi injectors, ported heads, 6152 turbo. The coolant temp was at about 198 to 201 for the test and outside air temp about 101 degrees. I had a full tank of 91 octane gas, my question is would d-natured alcohol do the trick or something else? And if so how much to add to the tank, fuul or empty? any help would be greatly appreciated.     
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September 6th, 2007, 05:51 PM
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if your nox's are highit's usually a non functioning or bad egr valve or a gutted or bad cat, but I see your catalytic converter is new.
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1987 GN 3" ATR downpipe,PTE TA 49 turbo, adj. wastegate,adj. fpr. Art Carr shift kit 2 1/2" Hooker ex. 3" Hi flow gutted cat, aero chamber muffs. 9"K&N filter, 60/65lb. mototron injectors,heads pocket ported, 3 angle valve job, LT1 valve springs, 340 walbro fp.hot wired, plenum spacer, 160 therm. cross drilled slotted rotors, vacuum brake conv. Kirban GNX style rims,48k on car, 93 Turbo Tweak chip, 2.1 scanmaster,knock guage, 3" LT1 Maf w/translator, VDO guages,manual boost controller.
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September 7th, 2007, 12:30 AM
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Since u failed nox try this first. Run 50miles without your gas cap on and when u get to the emissions put the cap back on and try again it should purge your gas tank and lines to the charcoal canister. I had to do this to get several of my turbo cars to pass the nox. Hopefully this will help.
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September 15th, 2007, 10:33 AM
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Quote:
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TurboDave EWCS(SW) USN Ret Email Us Sevierville, TN TranslatorPro MAFless fuel, spark and boost management 86 GN(TranslatorPro/ExtenderPro on speed density w/boost & fuel pump control,PLX-WB) (original owner) 87 GN (second owner) 84 L69 Z28 (original owner) 01 Excursion LTD 7.3L PSD(Power Stroke Diesel), Turbo, 4X2 08 Honda Accord EX-L, 3.5V6, AT My Photo Gallery
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September 17th, 2007, 11:02 AM
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Not to burst your bubble but without an EGR you ain't going to pass...BTDT...plus many guys here have tried without an EGR...and failed...who knows...you may get lucky
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Scott 87 GN - Street/Show Car (orig owner - 41K miles) 87 T - Street/Race Car(10.46 - 131.68 MPH) - TSM setup
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September 17th, 2007, 10:34 PM
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You can get it at Autozone, etc., in the chemicals/additives section. It's actually a gas drier for cold weather starts. Basically alchohol.
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86 Gray T-Type, Bench Seat, Column Shift.... 274 Stage II with Stage II Heads
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September 17th, 2007, 11:24 PM
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I got good news for you. You dont have to do emissions in arizona. As long as you get collectors insurance you dont have to go threw it any more with the buicks
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1987 Buick Turbo T WE4/Mint condition-- 15,000 original miles/GNX dash/9in K&n GT 6131 E Buick Street Strip Turbo/RJC powerplate Terry Houston 3in downpipe/ATR Dual 3in exhaust Turbotweak street chip/009 injectors/walbro pump Built tranny with precision single disk 3000 stall PTS Alum.Trans Pan/Razor's Pac Alky Kit/RJC Hybrid Boost Controller/Racetronix Fuel Pump Ground Upgrade Harness & Hotwire Kit
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