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Old 03-15-2004, 09:05 AM
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BBC Water pump Question

I'm putting a 454 into a 72 chevelle and need to choose the water pump that I am going to use. I plan on running electric fans to cool the car but the engine that I'm putting back together didn't have a water pump when I got it. Now I have to choice of long or short water pumps. My question is this, which one will work better, which one should I use? I believe that this model year Chevelle had Long snout water pumps on them, but wouldn't a short one give me more room for my electric fans?

Any help would be appreciated.

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Old 03-15-2004, 10:17 AM
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The biggest problem with the short pump is the alternator placement is different and the proper pulleys are hard to get.
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Old 03-15-2004, 10:35 AM
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What bob said is true, and the brackets for the short are even more expensive (from what I've seen). But, I would still go with the short pump, mainly because IMO, they look better. The chevelle has a lot of room in the engine bay, and with either one, you should not have a prob getting the elec. fans in there. Good luck.
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Old 03-15-2004, 11:44 AM
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Thanks guys, I think I'll go with the long pump.
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Old 03-15-2004, 01:25 PM
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Less chance of throwing belts with the long pump. The alternator is outside the valve cover with the short pump, In front of the head with the long one.....shorter belt and better mount, especially if you have headers.

Same goes for small blocks.
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Old 03-15-2004, 01:46 PM
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He could get a lower alternator mount that shortens the belt, but they are expensive. I have one for my BBC, it was $72 and it's nothing special...
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Old 08-02-2007, 12:13 PM
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Water pump

I would go with the short water pump. This will give you more room if you go with a fat radiator and electric fans.
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Old 08-02-2007, 12:45 PM
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James...theres a company in Parker, AZ that makes custom water pumps out of original GM castings. All new bearings, fully shrouded cast impellers....they work!! and are very reasonable. Private message me for their phone number if you wish, .......... EDIT...Well I guess I should have looked at the original date huh?? as Bart would say....DOH !!!
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Old 08-02-2007, 01:56 PM
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Heh, yeah this was posted a while ago....
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