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03-05-2004, 09:33 AM
| #1 (permalink) |
| 1986 Grand National  Join Date: Jun 2003 Location: Guilford , Ct. 06437
Posts: 422
|  Failed Emissions test Hi Everyone, I had the GN with the original engine tested this morning and it failed. HC measured 161 / max allowed 132 (fail) CO measured .78 / Max allowed .42 (fail) NOx measured 899 / max allowed 921 (pass) Of course the bad seal on the turbo did help since it was blowing blue smoke at speed. Emissions chip is on its way, I also will have to swap the engines.
__________________ God Speed, Fred Carrado Jr. "fc227@mindspring.com" http://www.mindspring.com/~fc227/.htm" 203-453-6571 ext 342 Moroso Performance 1986 Buick Grand National TE-44 turbo, Stretch inter cooler and a 1/2, Ported heads, ATR 2 1/2" down pipe, Commander & TT chip(s). 009 injectors, adjustable fuel pressure regulator, walboro 307 pump. ET 12.252 @ 108.56 MPH |
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03-05-2004, 10:15 AM
| #2 (permalink) |
| aka: mOtOrHeAd MiKe  Join Date: Jan 2002 Location: Orangeville, Ontario Canada
Posts: 4,493
| If the turbo is blown... why bother trying? It is like having a turbo-diesel v6 with all of that burning crude. I'd suggest by-passing the turbo and try again. A fresh catalytic will make a world of difference too.
__________________ [1987 Monte Carlo Super Slow|1991 Z28 Slothmaro|2002 B4C Crapmaro|2007 TrailBlazer AWD Super  ][1987 Turtle Buick] High-Mileage 3.8L (Stock), MAFT Pro, Caspers PnP Harness, Extender Pro, LC-1, PowerLogger, PowerPlate, Garrett T63e, Low-Z 83s, Modified International Semi FMIC, MPE 3" DP, 4" Single Exhaust w/Magnaflow, Dual In-tank Pumps, ProPain Injection, Built 200-4R w/3000 Stall, 8.5" w/Welded Axle Tubes & 3.08s, Tubular UCAs & Boxed LCAs F&R, 36mm 1LE & F41 Swaybars, KYBs, 800lb/in & 200lb/in Springs, Ronal R15 17x9.5s w/275/40s & 325/45 M&H Drag Radials & an HKS Turbo Timer... Just scratching the surface.  I Brake For ZR1s |
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03-05-2004, 10:20 AM
| #3 (permalink) |
| 1986 Grand National Join Date: Jun 2003 Location: Guilford , Ct. 06437
Posts: 422
| Thank you
__________________ God Speed, Fred Carrado Jr. "fc227@mindspring.com" http://www.mindspring.com/~fc227/.htm" 203-453-6571 ext 342 Moroso Performance 1986 Buick Grand National TE-44 turbo, Stretch inter cooler and a 1/2, Ported heads, ATR 2 1/2" down pipe, Commander & TT chip(s). 009 injectors, adjustable fuel pressure regulator, walboro 307 pump. ET 12.252 @ 108.56 MPH |
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03-05-2004, 10:23 AM
| #4 (permalink) |
| Registered User Join Date: Oct 2002 Location: Youngstown Ohio
Posts: 141
| Bypass the turbo.Also right before the test get most of the gas out of the tank down to 2-3 gallons and add alky to the tank.Run it enough so that it gets to the engine. About 1 gallon to the 2-3 of regular gas then after the test fill it up with high test so it doesn't affect the rubber lines seals etc. With those two tricks it will pass with flying colors.
__________________ 1987 GN,ta60-1,212-206 cam,C.A.S V4R intercooler,009 injectors,62mm TB,Stock ported heads,billit main center caps,trw forged pistons,Quad air XP+ fuel pump,2800 stall convertor,Trans plus and extender. 12.17 with 18 pounds on 94 octane pump gas with DR's. |
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