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

1992 LT1 Lifters?

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Old Aug 22, 2011 | 10:41 PM
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From: Roy UT
Default 1992 LT1 Lifters?

Hi, I am new to corvettes and picked up a 1992 LT1 with 150K and 18K on a rebuild motor. The car sat for 10 years with maybe as much as 40 miles put on it over that time frame. After changing the fluids including the gas the engine had started ticking on the driver’s side mid-way down the lifters and I am getting a very mild back fire after hitting the gas on a cold engine only on the driver’s side. Since I have gotten it there are also all new plugs, air filter and PCV.

Any thoughts on what it could be or is it something that is going to just work its self out? Plug wires and O2 sensor are next on the list to change.

Thank you for all your help in advance.
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Old Aug 22, 2011 | 10:50 PM
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sounds like an exh. lifter stuck open, could be a froze up lifter. it ran fine till you changed fluids?
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Old Aug 22, 2011 | 10:54 PM
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From: Roy UT
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yes, ran great.
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Old Aug 23, 2011 | 12:34 AM
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well put the old fluids back in there, just kidding, an old fix used to be to add some mystery oil to the crankcase and run it for bout 1/2 hour, sometimes that would free things up.
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Old Aug 23, 2011 | 09:50 PM
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You sure its in the lifter area and not an exhaust leak?. A leaking manifold will give you a 'ticking' sound.

Sara Lou
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Old Aug 23, 2011 | 11:35 PM
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From: Roy UT
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The tick is after the car warms up just a little and there is no smell of exhaust under the hood.

Being the car was not driven for 10 years I have little things that I notice and then they are gone very fast. This one has hung around for about two weeks now.
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