C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

engine drags after it heats up

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Old Oct 1, 2008 | 11:52 PM
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Default engine drags after it heats up

Guys,

I have a 94 vette that i have replaced just about everything i can think of. Opti spark, plugs, wires, o2 sensors, IAC, TPS, fuel pressure regulator, you name it. It runs great when its below 210 degrees but if it gets hot or the AC is on it dogs like hell at low speeds and takeoff. like its not getting enough air or something. any help is appreciated.
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Old Oct 2, 2008 | 07:18 AM
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Be a little more specific

By "dogs" do you mean bogs down, or are the RPMs coming up without it pulling?
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Old Oct 2, 2008 | 07:37 AM
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bad cat?
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Old Oct 2, 2008 | 11:44 AM
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Take your car to the shop have it hooked to machine to see what its doing at 210 degrees.
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Old Oct 2, 2008 | 08:34 PM
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When it gets hot it gets sluggish when i accelerate. at idle and highway speed its fine its just when the rpms drop as the automatic shifts gears. feels like its starving for air or something.
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Old Oct 2, 2008 | 09:10 PM
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Originally Posted by pr0zac
bad cat?
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