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

camshaft differences- water pump drive??

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Old Aug 3, 2004 | 09:04 AM
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Default camshaft differences- water pump drive??

On the 93 corvette engine, does the cam drive the water pump with the gears or the steel pin?

If i use an electric water pump, can i use the stock cam?

Can i use pre-LT1 hydraulic roller cam in the engine without modification?

what i want to have is a comp cams nitrous HP cam (pn08-303-8, grind number NX288HR) and an electric water pump. CAN I DO IT WITHOUT MILLING THE CAM?

curse this new technology!!!
(that is ironically 11 years old, and outdated)
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Old Aug 3, 2004 | 09:35 AM
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"curse this new technology!!!
(that is ironically 11 years old, and outdated)"


LOL!
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Old Aug 3, 2004 | 11:37 AM
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[QUOTE=crkemppainen]On the 93 corvette engine, does the cam drive the water pump with the gears or the steel pin?

If i use an electric water pump, can i use the stock cam?

what i want to have is a comp cams nitrous HP cam (pn08-303-8, grind number NX288HR) and an electric water pump. CAN I DO IT WITHOUT MILLING THE CAM?

QUOTE]

Here's a picture of the OEM water pump shaft. Notice the gear on the end of it. This meshes with the cam gear. When you go with an electric water pump, you just remove this entire assembly and seal up the hole in the timing cover.


Here's an article I did on installing the Meziere electric water pump: https://www.corvetteforum.com/techti...=231&TopicID=2

Last edited by Strick; Aug 3, 2004 at 11:40 AM.
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Old Aug 3, 2004 | 10:54 PM
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Cool info strick! That write up is very very useful for me and answers all my questions but one-

can i put an "old style" cam into the lt1?

"for GM cars origionally equiped with Hyd. roller camshaft except LT1"

that is what comp cams says.
-i don't want to believe it. what is the real deal?
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