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Old 10-23-2007, 01:03 PM
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4.3 V6 water pumps

I am working on a 2005 Chev. 4.3 V6 to go into a street rod.
As the 4.3 is basically a 350 V8 less two cylinders, will a water pump for the V8 fit the V6?

Am I correct in assuming that this application would require a "long" water pump? If memory serves me correctly, the short water pump was used on passenger cars through 1968 and trucks through 1972.

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Old 10-23-2007, 01:11 PM
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Yup, the pumps interchange. I'm 99% sure it would be a long pump. They used to keep short pumps around in some applications, but I think that died in the 70s. Everything (except vettes) should be a long pump.
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Old 10-23-2007, 06:52 PM
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Quote:
Originally Posted by 40chevcpe
I am working on a 2005 Chev. 4.3 V6 to go into a street rod.
As the 4.3 is basically a 350 V8 less two cylinders, will a water pump for the V8 fit the V6?
You didn't say if you were running the original serpentine belt or converting to V belt, but whichever, make sure the pump rotation is correct. The stock pump is reverse rotation. V belt drive pumps should be "standard" rotation. Just something to consider.

Bob
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Old 10-23-2007, 06:53 PM
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good catch
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