LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Steady throttle engine surging

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Old 10-05-2006, 07:39 PM
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Location: Kantuckee Yo'
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Steady throttle engine surging

All stock short block and stock cam. See sig for mods.

In 1st, 2nd and 3rd gears when gently accelarating or maintaing mid-rang RPM's I can feel this noticable surging with the engine. Its like a very mild bucking back and forth.

The engine makes no unusal sounds and the gauges dont do anything wierd when this happens. In fact the engine runs very very strong.

Ignition is all new except for the opti. Problem is super annoying.
Any ideas?
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Old 10-05-2006, 08:31 PM
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Re: Steady throttle engine surging...WTF

look and see if any wires are melted/ or start it an night and watch for a light show under the hood, sounds like ignition
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Old 10-05-2006, 09:22 PM
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Re: Steady throttle engine surging...WTF

Check you intake system between the MAF and TB for leaks.
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