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

Engine Cleaning

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Old Apr 13, 2006 | 07:59 PM
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Default Engine Cleaning

What needs to be covered up when cleaning a 1993 Corvette engine?
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Old Apr 13, 2006 | 08:05 PM
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Optispark, which is the distributor under the waterpump. Do not get it wet!
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Old Apr 13, 2006 | 09:09 PM
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Old Apr 14, 2006 | 01:07 PM
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Originally Posted by Ricks94vette
Optispark, which is the distributor under the waterpump. Do not get it wet!
Ok, another question...
What's the best way to do this? (as in cover it up?)

Last edited by stearnman; Apr 14, 2006 at 09:03 PM.
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Old Apr 14, 2006 | 05:31 PM
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Default Cleaning Engine

They're right about the Optispark. I found that out the hard way. About $800 for the tow and new optispark install.

I use Simple Green and a spray bottle of water and stay away from the Optispark. It takes some time the first time if the engine is really dirty. After that the ongoing touch-up is very easy.
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Old Apr 14, 2006 | 05:50 PM
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simple green, a few hrs and a good clean set of toothbrushes
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Old Apr 14, 2006 | 10:14 PM
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Originally Posted by alien1975
What needs to be covered up when cleaning a 1993 Corvette engine?
The engine. Like everyone said, simple green and Pledge and maybe a damp cloth.
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Old Apr 15, 2006 | 09:55 AM
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I don't cover anything, spray it down with degreaser and hose the crap out of it. If it misses when I start it due to water in the opti I let it sit for a while and it's ok. My driveway has an incline and that might be why I haven't had a problem but, I have never had a problem washing the engine.
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