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  • November 06, 2024, 09:54:05 PM

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Author Topic: Water pump  (Read 3509 times)

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Offline maddog

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Water pump
« on: May 20, 2024, 07:20:33 PM »
So I discovered that someone put a 2.5L water pump on the 4.0 I got from the junkyard (it was on there when I got it from the yard and this is the engine I'm building as a stroker). The pump is brand new so I was wondering if it would be safe to run said water pump on the engine or should I get the 4.0 water pump?
1998 CHEVY S10 (DAILY DRIVER/PROJECT) INTIMIDATIN'
1980 AMC EAGLE WAGON (PROJECT) EAGLE EYES
http://forums.amceaglesden.com/index.php?topic=30758.0
1983 AMC EAGLE LIMITED WAGON-SURVIVOR (gone)
http://forums.amceaglesden.com/index.php?topic=32372.0

Offline Taylor

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Re: Water pump
« Reply #1 on: May 20, 2024, 07:29:51 PM »
My guess would be no. But if they are actually the same part number it might be ok.
I think if I had the same problem I would replace it with the 4.0L and maybe get a high Flo unit.
2010 Toyota Rav4 pack mule, totaled 3/26/24 rear ended REAL HARD. concussion and whiplash. not fun
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Offline maddog

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Re: Water pump
« Reply #2 on: May 20, 2024, 09:42:43 PM »
Yeah that's kind of what I was thinking of doing but figured I'd get y'all's input first. And they are two different part numbers even though I do know they both spin in the same direction but the 2.5 one uses a smaller pulley than the one for the 4.0 does.
1998 CHEVY S10 (DAILY DRIVER/PROJECT) INTIMIDATIN'
1980 AMC EAGLE WAGON (PROJECT) EAGLE EYES
http://forums.amceaglesden.com/index.php?topic=30758.0
1983 AMC EAGLE LIMITED WAGON-SURVIVOR (gone)
http://forums.amceaglesden.com/index.php?topic=32372.0

Offline maddog

  • a long haired redneck country boy
  • AMC Eagles Den Addicted
  • ********
  • Posts: 1834
  • Thumbs Up 50
  • AMC Eagle the original crossover
Re: Water pump
« Reply #3 on: July 16, 2024, 08:14:42 PM »
So after replacing the 4-cylinder water pump with one for a Cherokee 4.0. I was at the junkyard and happened to look into the engine compartment of an early Grand Cherokee with a 4.0 and it had the same water pump as the 4 cylinder, just with a different pulley, so it looks like you can actually use a 4-cylinder water pump. You just got to make sure to get the pulley from an early 4.0 equipped Grand Cherokee to make it work.
1998 CHEVY S10 (DAILY DRIVER/PROJECT) INTIMIDATIN'
1980 AMC EAGLE WAGON (PROJECT) EAGLE EYES
http://forums.amceaglesden.com/index.php?topic=30758.0
1983 AMC EAGLE LIMITED WAGON-SURVIVOR (gone)
http://forums.amceaglesden.com/index.php?topic=32372.0

 

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