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Old 07-18-2008, 07:18 PM
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Short to long water pump for early sbc

Is it possible to use a long water pump instead of the short water pump on my 1977 Corvette? I am planning on converting to an electric cooling fan system. Is there more to the short and long pumps other than just their length from the block?

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Old 07-18-2008, 08:04 PM
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Thats the only difference that I know of.
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Old 07-18-2008, 08:30 PM
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Quote:
Originally Posted by etaylo17
Is it possible to use a long water pump instead of the short water pump on my 1977 Corvette?


You would have to also change pulleys and brackets for the alternator and A/C compressor.

You can do it but I see NO ADVANTAGE to it ...

Why do you want to go from a short to a long ... most folks want to go the other way to gain room at the front of the engine.
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Old 07-19-2008, 05:52 AM
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I agree with deuce, If you look at the water pump pulley spacing, there is actually a 3rd measurement or different water pump, just for the vette. Just replace the stocker with a good aftermarket new pump, or your favorite parts house pump with a lifetime guarantee! The hassle of changing all the brackets to get the proper pulley alignment could be maddening in the vette!!
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Old 07-19-2008, 06:28 AM
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The only advantage I see, is that you get to use a shorter belt on the alternator.........also, easier access to fill PS pump.

The alternator has to go to the other side, different brackets and all different pulleys.
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