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

HELP! STOCK 88, WHY IS IT STUMBLING?

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Old Jul 19, 2003 | 05:07 AM
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From: Harrisonburg VA
Default HELP! STOCK 88, WHY IS IT STUMBLING?

ok, i turned it on this morning and it was running fine. I noticed that it was running very hot so I went home and opened up the hood. By this time the coolant was overflowing and the temp read at about 270. I know it was a bar idea to let it get that high but i was stuck on a major road and my house was a block away. No place to pull off. Anyways, i noticed that the fan wasn't going on when i flipped the switch (overriden). I replaced the fan motor a few days ago and the plug came loose somehow, even though i made sure it was in.

I plugged it back in and let the car sit for a while. Turned it on a few hours later and it started to do this "stumbling" thing. It has awful acceleration right now and it feels like the engine is stumbling. It's a pulsing feeling.

anyone have any ideas? it's an 88, the engine is stock. what do i do? i can't bare to see my car in this misery... :cry
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Old Jul 19, 2003 | 05:37 AM
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Default Re: HELP! STOCK 88, WHY IS IT STUMBLING? (ERICsX)

hate to say it but considering the alluminum heads I would say warped head or busted head gasket. Do you get steam out the exhaust? Does the water in the radiator bubble?
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Old Jul 19, 2003 | 02:00 PM
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Default Re: HELP! STOCK 88, WHY IS IT STUMBLING? (thepenguin99)

i was thinking about that but it seems like it happened out of no where. wouldn't there be signs before it broke?

that happened to me before with my old engine and it doesn't seem like that's what it is now. it's just a light pulsing/stumbling. still drives ok just has poor acceleration
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Old Jul 19, 2003 | 02:07 PM
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Default Re: HELP! STOCK 88, WHY IS IT STUMBLING? (ERICsX)

Sounds like a head gasket to me. You might want to change that oil, just to check. If its milky and an off-color, its a busted gasket.

The 270F temp was the warning sign.
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Old Jul 24, 2003 | 05:33 PM
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Default Re: HELP! STOCK 88, WHY IS IT STUMBLING?

ok, i finally had a chance to look at it today and it turns out that it was a very small problem:

one of the wires came out of the clip and leaned on the exhaust header after which it proceeded to melt... :(

lucky that was all
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