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Parts store water pumps for 318. #3052333
06/22/22 08:42 AM
06/22/22 08:42 AM
Joined: Feb 2003
Posts: 1,616
Florida
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GMP440 Offline OP
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GMP440  Offline OP
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Joined: Feb 2003
Posts: 1,616
Florida

I getting ready to change out the water pump on my 68 Dodge Coronet with a/c and 318.
I noticed that the auto parts stores only list water pumps for non a/c cars. Looking at the pictures, the pump bodies can be used for the a/c cars , but have the 8 bladed impeller not the 6 bladed impeller.
I beleive the last water pump I put on about 11 years ago had the 8 bladed impeller. No cooling issues at all. Looks like the pump manufacturers are all using the 8 bladed impellers on these pumps keeping everything standard across the board.
Just asking for others opinions on this. Yay or nay on the parts stores pumps.

Re: Parts store water pumps for 318. [Re: GMP440] #3052340
06/22/22 09:27 AM
06/22/22 09:27 AM
Joined: Jan 2003
Posts: 7,877
Benton, IL.
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DaveRS23 Offline
master
DaveRS23  Offline
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Joined: Jan 2003
Posts: 7,877
Benton, IL.
I would run another 8 blade pump. If it didn't give you any trouble before, why would it now? Besides, the 8 blade is the only one I know of right now anyway.


KOS
Re: Parts store water pumps for 318. [Re: DaveRS23] #3052344
06/22/22 09:39 AM
06/22/22 09:39 AM
Joined: Jan 2003
Posts: 12,984
md
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mopars4ever Online content
I Live Here
mopars4ever  Online Content
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Posts: 12,984
md
Doesn`t look like you have a choice unless you can find a used 6 blade pump and get it rebuilt.

Re: Parts store water pumps for 318. [Re: mopars4ever] #3052397
06/22/22 12:33 PM
06/22/22 12:33 PM
Joined: Jan 2011
Posts: 11,729
Central Florida
larrymopar360 Offline
I'm tired...Very tired.
larrymopar360  Offline
I'm tired...Very tired.

Joined: Jan 2011
Posts: 11,729
Central Florida
Maybe you don't want to spend the money or wait on a part, and if so I understand. BUT, I'd get a Milodon with anti cavitation just for the peace of mind and much improved quality over anything that comes out of local parts stores nowadays. I'm always afraid of having to pull something apart again three days later!


Facts are stubborn things.
Re: Parts store water pumps for 318. [Re: larrymopar360] #3052412
06/22/22 01:09 PM
06/22/22 01:09 PM
Joined: Jan 2003
Posts: 20,175
Niles , Ohio
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therocks Offline
Its Lost
therocks  Offline
Its Lost
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Joined: Jan 2003
Posts: 20,175
Niles , Ohio
Try and see if they listr one for a 360.same block and pump but many were AC cars Rock auto shows an 8 vane for 360 .
.Rocky


Chrysler Firepower
Re: Parts store water pumps for 318. [Re: GMP440] #3052868
06/24/22 05:45 AM
06/24/22 05:45 AM
Joined: Jan 2003
Posts: 1,888
s. e. pa.
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calrobb2000 Offline
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s. e. pa.


measure the ipeller dia as the varry a lot , 6 or 8 bade .

it is a pulley size combo thing .

Re: Parts store water pumps for 318. [Re: calrobb2000] #3053021
06/24/22 03:05 PM
06/24/22 03:05 PM
Joined: Jan 2008
Posts: 1,674
ILLINOIS
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volaredon Offline
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Posts: 1,674
ILLINOIS
When I did the wp on my 78 fury I took off an 8 van which was the original it left the factory with.
All I could find at the time were 6 vane. The dam thing started running hot as soon as I started driving it with the 6 vane pump.
Colder stat didn't help. Took radiator in for test and rod out if needed, twice
No help. I finally found an 8 vane pump and put that on. Problem solved.







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