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August 30th, 2007, 10:03 PM
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How to lower hydrocarbons ?
My 89 Corsica failed hydrocarbons by .03 It should be at 1.60 and my car was 16.3 And failed pressure test, I know my gas tank leaks very little when it is full. I guess I should of filled it up with gas and maybe the air wouldn't of leaked out so easily.
Any suggestions greatly appreciated. Thanks in advance. Tarey D.
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87GN Stock Motor 56Kmi. TE-60, #50msds,62mmTB by J Jackson.3.5"MAF,Powerplate,Chip by "BRUCE". Hotwired XP. PTE-FM. SMC-Alky BGC.Elbow&3in.DP.& 2 3/4in.Duals Boxed Uprs&Lwrs Urethane bush. Mike Kurtz Racing Trans. 2800stall.KB.adj FP.reg.GNX braces. Global West Control arms, 12in. Discs. Kirbans chrome M&A valve covers, tranny pan,diff.cover.Cyberdyne Digital dash.BE-Kool rad.Spal dual fans.Spectre Braided Stainless hoses&Aluminum fittings, Translator. Scanmaster 2, Westech EGT Simmons Wheels, Urethane body bushings, ATR bar.     
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August 30th, 2007, 10:29 PM
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1) New Cat.
2) Reduce initial timing Were those readings at idle?
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1987 GN, 1986 T, 1984 Hurst Oldsmobile with 1987 GN drivetrain
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August 31st, 2007, 06:31 PM
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The readings were at 60 t0 65 mph on their machine. A guy at work suggested changing oil and new plugs and some alcohol in tank. What do you guys think.
Tarey D.
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87GN Stock Motor 56Kmi. TE-60, #50msds,62mmTB by J Jackson.3.5"MAF,Powerplate,Chip by "BRUCE". Hotwired XP. PTE-FM. SMC-Alky BGC.Elbow&3in.DP.& 2 3/4in.Duals Boxed Uprs&Lwrs Urethane bush. Mike Kurtz Racing Trans. 2800stall.KB.adj FP.reg.GNX braces. Global West Control arms, 12in. Discs. Kirbans chrome M&A valve covers, tranny pan,diff.cover.Cyberdyne Digital dash.BE-Kool rad.Spal dual fans.Spectre Braided Stainless hoses&Aluminum fittings, Translator. Scanmaster 2, Westech EGT Simmons Wheels, Urethane body bushings, ATR bar.
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August 31st, 2007, 07:07 PM
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HC's
The guy that runs tests says a dirty air filter will bump up HC. My HC's were a tad high and I went home and took airfilter off went back and she passed. You're only talking 3/ 10th's on your car. Your car failed the gas cap pressure test?
Last edited by ChavoLC2 : August 31st, 2007 at 07:10 PM.
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August 31st, 2007, 08:14 PM
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They pressurize from the gas cap to the filter canister inlet tube that they squeeze off. I know my gas tank leaks when it is more then half full at the seam, but very little. They did the test 3 times with a half a pound of air, so I figured if it is full it would leak air less? It passed 2 yrs ago, I must of had more gas in it then.
Tarey D.
__________________
87GN Stock Motor 56Kmi. TE-60, #50msds,62mmTB by J Jackson.3.5"MAF,Powerplate,Chip by "BRUCE". Hotwired XP. PTE-FM. SMC-Alky BGC.Elbow&3in.DP.& 2 3/4in.Duals Boxed Uprs&Lwrs Urethane bush. Mike Kurtz Racing Trans. 2800stall.KB.adj FP.reg.GNX braces. Global West Control arms, 12in. Discs. Kirbans chrome M&A valve covers, tranny pan,diff.cover.Cyberdyne Digital dash.BE-Kool rad.Spal dual fans.Spectre Braided Stainless hoses&Aluminum fittings, Translator. Scanmaster 2, Westech EGT Simmons Wheels, Urethane body bushings, ATR bar.
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September 1st, 2007, 05:04 PM
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Quote:
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Blue GN: Old combo 559whp/706wtq. New buildup to come with race ported GN 1 heads and intake  . Black GN:Stock 147k shortblock except cam  ,KB 70 mm TB and plenum, ported irons 1.77in 1.5ex, RJC head gaskets, ported stock intake, 212-212 comp roller, 1.65 T&D's, RJC powerplate, 1" plenum spacer, 83 lb/hr injectors, double pumper, FAST XFI, G-Body FMIC, welded ported stock manifolds, 3.5 dp, CPT 66BB GTQ, PAC dual nozzle alky injection, Dusty PTC 9.5", 200 4-R by me with billet shafted forward drum, billet input, billet ring gear and planet. 8.5 rear with Auburn, 28 spline Moser axles, and LPW girdle. 10.29@133.46mph .Time with old combo (stock ecm, p-trim turbo, and loose converter) 10.88@126mph. Stage II coming soon .
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