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April 23rd, 2008, 03:06 PM
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#1 |
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Regular
1993 GT
13.2@105
Join Date: Mar 2008
Location: Nazareth, Pa
Posts: 192
 iTrader: 0 reviews
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Running Lean
What makes a car run lean than the obvious not enough gas issue. The car has a 255 pump 40lb injectors, adjustable fuel pressure and I pulled a plug because I saw some whitesh smoke and the plugs show the engine is running lean.
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April 23rd, 2008, 03:16 PM
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#2 |
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MM Fanatic
Join Date: May 2007
Location: Bloomington, IL
Posts: 4,737
iTrader: 0 reviews
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Plugs from an EFI car on unleaded gas are difficult at best to determine A/F ratio from. Besides, the car may be idling with an A/F ratio as high as 17:1 and that is what the fuel tables specify.
The only real way to know if your car is running lean by getting it on a dyno or installing a wideband O2.
__________________
88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it 
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April 23rd, 2008, 04:01 PM
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#3 |
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Regular
1993 GT
13.2@105
Join Date: Mar 2008
Location: Nazareth, Pa
Posts: 192
iTrader: 0 reviews
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Got a wideband laying around ya wanna sell...lol I can always count on you to break the news .....
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