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Author Topic: Correct water pump for 64.5 D code  (Read 1600 times)

Offline DKutz

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Correct water pump for 64.5 D code
« on: July 08, 2018, 12:56:14 AM »
Hello.  We got the 64 1/2 mustang running today and the water pump is shot.  I am told the one on it is incorrect.  What is the right pump for this car?  Aluminum no backing plate?  Suggestions?  NPD or rock auto.

March 64 build.  289 D code Generator with PS NO AC.

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1965 Mustang Fastback 'A' Code, silver Blue Met, Med blue int. Auto, San Jose, 10/8/64 #1449**

Gone but not forgotten - 1996 Mustang GT

Offline Bob Gaines

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Re: Correct water pump for 64.5 D code
« Reply #1 on: July 08, 2018, 02:35:31 AM »
Quote from: DKutz on July 08, 2018, 12:56:14 AM
Hello.  We got the 64 1/2 mustang running today and the water pump is shot.  I am told the one on it is incorrect.  What is the right pump for this car?  Aluminum no backing plate?  Suggestions?  NPD or rock auto.

March 64 build.  289 D code Generator with PS NO AC.
If it has a generator it will most likely have the C4 marked aluminum waterpump. The C5 marked pump is for a alternator equipped car. The brackets mount slightly different between one and the other. NPD doesn't sell the generator car pump . Who knows with rock auto. I have never tried to make a C5 pump work on a generator car so I can't say about the problems.  I do know a C4 pump causes problems when mounting on a alternator car.
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Bob Gaines,Shelby enthusiast, Shelby collector , Shelby concours judge SAAC,MCA,Mid America Shelby

Offline DKutz

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Re: Correct water pump for 64.5 D code
« Reply #2 on: July 08, 2018, 02:52:46 AM »
Hmmm. I don't think that's what's on it now.  As I believe it's cast iron
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1965 Mustang Fastback 'A' Code, silver Blue Met, Med blue int. Auto, San Jose, 10/8/64 #1449**

Gone but not forgotten - 1996 Mustang GT

Offline jwc66k

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Re: Correct water pump for 64.5 D code
« Reply #3 on: July 08, 2018, 12:24:14 PM »
As a "sanity check", see what the part number is on the timing cover.
Jim
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Offline Bob Gaines

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Re: Correct water pump for 64.5 D code
« Reply #4 on: July 08, 2018, 05:23:39 PM »
Quote from: DKutz on July 08, 2018, 02:52:46 AM
Hmmm. I don't think that's what's on it now.  As I believe it's cast iron
From the picture it is the aluminum style. Maybe it is a cast iron aftermarket pump given the aluminum style case.
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Bob Gaines,Shelby enthusiast, Shelby collector , Shelby concours judge SAAC,MCA,Mid America Shelby

Offline DKutz

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Re: Correct water pump for 64.5 D code
« Reply #5 on: July 09, 2018, 07:27:32 PM »
Well I ordered from Rockauto, hope it works out.  So much cheaper than local.
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1965 Mustang Fastback 'A' Code, silver Blue Met, Med blue int. Auto, San Jose, 10/8/64 #1449**

Gone but not forgotten - 1996 Mustang GT

Offline CharlesTurner

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Re: Correct water pump for 64.5 D code
« Reply #6 on: July 09, 2018, 08:51:24 PM »
The correct 64.5 V8 water pump would be aluminum and have a C4OE-8505-A casting number.

Originals can be rebuilt if you're able to find a date-correct one.
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Offline Bossbill

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Re: Correct water pump for 64.5 D code
« Reply #7 on: July 09, 2018, 09:43:42 PM »
If the timing cover is this thick:


it's an early water pump style with no back cover on the water pump. The timing cover is the back of the pump.
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Offline Hipo giddyup

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Re: Correct water pump for 64.5 D code
« Reply #8 on: July 10, 2018, 10:39:56 AM »
  Here's a pic for reference...
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1967 Springtime Yellow Coupe, 289 2v 3spd, Metuchen built, Nov. 17th 66'
1966 Sahara Beige Coupe, 289 2v 3spd, Dearborn built, July 21st 66'
1964 1/2 Pagoda Green Coupe, 260 2v 3spd, Dearborn built, June 30th 64'
1966 GT350 Fastback clone, 289 HiPo, 725cfm Holley, 4spd, SanJose built, Nov 25th 65'

Offline DKutz

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Re: Correct water pump for 64.5 D code
« Reply #9 on: July 13, 2018, 11:37:39 PM »
We got the water pump off today, I think it will clean up well, and go right back on.  Always want to to preserve the originality.
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1965 Mustang Fastback 'A' Code, silver Blue Met, Med blue int. Auto, San Jose, 10/8/64 #1449**

Gone but not forgotten - 1996 Mustang GT
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