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Old 07-24-2005, 10:51 AM   #1
FRENCHBLUE72
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Need some water pump help 454 B.B

What are you guys running for water pumps are you running a short pump or the long pump I have the long pump on now but an not sure if it will clear everything once I get it all back together... Any feedback would be great..
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Old 07-24-2005, 11:29 AM   #2
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The 454 in my 72 has a short pump on it -Im using all the stock brackets and pullies that came with the 402 that came in the truck. I would guess you need to figure what pump your brackets are set for so the belts will line up. HTH::::CB
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Old 07-24-2005, 11:31 AM   #3
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I'm running the long water pump its close but will work with a few mods to the fan housing. In case you don't know brackets and pulley's for short and long water pumps don't enter change.
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Old 07-24-2005, 12:16 PM   #4
FRENCHBLUE72
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I have the long water pump and bracket's that came with the 454 and am planning on running a electric fan set-up and am gonna order some new bracket's and a nice set of pulley's but wanted to make sure it would all fit before I started spending money on part's .. Thanks guys for your helpful info.....
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72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free.

Project "7DEUCE"

check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665



Tim Powell..R.I.P EastSideLowlife..... R.I.P..
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Old 07-24-2005, 01:37 PM   #5
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Yes if your going with an electric fan then you should have plently of room even with the long pump - I have looked at the GM performance serpentine belt conversion for my truck which uses a long pump and even keeping the flex fan I figured I have enough room. Am thinking that the difference between the long and short pump is like 1-1/2 " HTH:::::CB
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Old 07-25-2005, 09:10 AM   #6
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With the Serpentine setup long pump reverse flow, you will have about 2 3/4" between the bolts on the water pump pulley and the radiator. To run a 16" flex fan you need a 1" spacer, I DON'T think a clutch type fan will fit with a serpentine setup.

I could not fit electric fans between the rad and serp. Even in front of the rad it was tight with the airconditioning condenser. I could only fit 12" fans up front. The 1" spacer for the flex fan was needed to clear the belt and pulley. Yo go with a bigger 17" or 18" flex you would have to go to 2" spacer and have a bugger of a time trying to bolt it on the water pump.
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Old 07-25-2005, 10:02 AM   #7
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i've got about 3" of space between my fans and pulleys. more than enough. the brackets are off an 86 1 ton pickup.
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