LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Need some help

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Old Nov 6, 2009 | 12:23 AM
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RED PUNISHER Z's Avatar
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Joined: Feb 2009
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From: Texas
Default Need some help

the car is a 1995 z28 m6 ...when i race the car it starts to jerk and it feels like its cuting out or losing power and the muffler pops a lil bit it like at around 5000-5500 rpm ....it just started doing this ..the car was parked for 3 weeks because i was out of town... it has a new opti new coil new wires and the plugs are about 5 months old thay are ngk tr55s ...what can it be bad plugs...bad fuel injectors...bad fuel pump..???? the car drives fine runs good but it only does that when i take the car to 5000-5500...so give me some advice what can it be or what would you do ...i think it might be bad plugs but tell me what you all think.thanks
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