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#1 |
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Regular
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please help going to the track tomorrow
i have a 347 with a vortech v2
my car runs great but it has an interminnent problem car revs fine to 6500 rpm under half throttle as soon as i give it more gas when i am over 5200 rpm the car breaks up and backfires it's like it is hitting a rev wtf please help yes i changed the tps sensor lol
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518.9 Wheel HP!!!!! 491 Torque!!!!!!!! |
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#2 |
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I Post Entirely Way Too Much
1988 lx
9.68@142
Join Date: Nov 2007
Location: goldsboro NC
Posts: 5,609
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did u get it tuned?
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#3 |
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Regular
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broken pony
yes the car has been custom tuned using a sct chip
the car has been on the dyno and ran fine
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518.9 Wheel HP!!!!! 491 Torque!!!!!!!! |
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#4 |
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all motor
92 coupe
9.94@136.40
Join Date: Dec 2006
Location: Chicago
Posts: 576
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sounds like a lean / rich issue to me
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#5 |
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MM Fanatic
Join Date: May 2007
Location: Bloomington, IL
Posts: 4,737
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blowing out the spark? What kind of coil are you running, spark plug gap?
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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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