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

LT1 Electric waterpump guys

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Old 04-19-2015, 06:40 PM
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LT1 Electric waterpump guys

What size belt do you run? I bought the car that came with an electric water pump and it seriously looks like the Belt they used is too long and is loose.
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Old 04-19-2015, 07:45 PM
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Re: LT1 Electric waterpump guys

The stock water pump is not run by the serpentine belt, its gear driven off a gear on the back of the cam sprocket.

Either the stock belt has stretched, someone replaced the stocker with a too long belt, or the tensioner pulley is worn out.
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Old 04-20-2015, 08:04 AM
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Re: LT1 Electric waterpump guys

Just so you are not confused, the LT1 does not use a belt. The pump is driven by the cam by way of a shaft.
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Old 04-20-2015, 04:27 PM
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Re: LT1 Electric waterpump guys

Originally Posted by Strick
Just so you are not confused, the LT1 does not use a belt. The pump is driven by the cam by way of a shaft.
What did you find confusing in my explanation?
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Old 04-20-2015, 06:24 PM
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Re: LT1 Electric waterpump guys

Originally Posted by Injuneer
What did you find confusing in my explanation?
Absolutely nothing. I just didn't read yours. I just jumped on an answer, sorry.
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