C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Jul 6, 2003 | 11:00 AM
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Tonwoo28
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From: Brandon FL
Default NAPA Water Pump

Does anyone know if the NAPA High Performance Water Pump (Item#: NWP55984H) is aluminum or not? Also, is this a good option for an L-48 that's soon to be rebuilt to around 300HP?
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Old Jul 6, 2003 | 02:06 PM
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From: Living in the Hartland
Default Re: NAPA Water Pump (Tonwoo28)

Just make sure it has a 3/4" snout to match up with your water pump pulley or you'll have to get a new pulley, must are 5/8" except for vettes and trucks.
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Old Jul 6, 2003 | 07:49 PM
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Default Re: NAPA Water Pump (Fevre)

Thanks Fevre.
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Old Jul 6, 2003 | 09:20 PM
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From: Exiled to Richmond, VA - Finally sold my house in Murfreesboro, TN ?? Corner of "Bumf*&k and 'You've got a purdy mouth'."
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Default Re: NAPA Water Pump (Tonwoo28)

It should be the same as stock casting. Again, make sure it's a "short" style with a 3/4" shaft.
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