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Whats the proper casting #??

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Old Apr 7, 2005 | 04:17 PM
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Default Whats the proper casting #??

I can't seem to find the proper casting # for a water pump for a '68 327/350hp. Dont know if it makes a difference, but it is a late '68.

I've checked all the regular casting number sites recommended here, but none of them seem to have water pump castings.


Thanks,

~Rich
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Old Apr 7, 2005 | 04:24 PM
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found something for you...hope this helps


Water Pumps
Casting # 3782608 (1963-1972 327 & 350)

Casting # 3856284 (1966-1969 427)

Casting # 3969811 (1970-1971 454)

Casting # 3992077 (1972 454)
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Old Apr 7, 2005 | 04:32 PM
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Originally Posted by luerja
found something for you...hope this helps


Water Pumps
Casting # 3782608 (1963-1972 327 & 350)

Casting # 3856284 (1966-1969 427)

Casting # 3969811 (1970-1971 454)

Casting # 3992077 (1972 454)
Thanks for the quick reply.

I've seen that number before (top one for 327) and it has always said "not for the L79", which is what I have.

I have found 3859326, which is for a 66-67 327/L79 but nothing for a '68.

Where did you get the info??

~Rich
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Old Apr 7, 2005 | 04:53 PM
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I just happen to remember I had seen water pumps there.

http://www.geocities.com/vette6769/g...s-for-sale.htm
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Old Apr 7, 2005 | 05:01 PM
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Originally Posted by luerja
I just happen to remember I had seen water pumps there.

http://www.geocities.com/vette6769/g...s-for-sale.htm
That site is a mirror for lightningspeedshop. I saw that site as well, but after trying to cross the numbers, they didnt match.

Are all of the correct casting numbers in the AIM? One is on the way in the mail. I have never seen what is actually in the AIM, so I'm anxiosly awaiting its arrival.

~Rich
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Old Apr 7, 2005 | 10:34 PM
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Originally Posted by 68sbShark
Thanks for the quick reply.

I've seen that number before (top one for 327) and it has always said "not for the L79", which is what I have.

I have found 3859326, which is for a 66-67 327/L79 but nothing for a '68.

Where did you get the info??

~Rich
Rich, just pulled the water pump off of my MOSTLY ORIGINAL 42k mile March 19 build L-79 '68 Corvette #14222 minutes ago, and it is INDEED #3782608 with a date of "A 4 8", which is January 4, '68.
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Old Apr 8, 2005 | 10:15 AM
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Originally Posted by Paul Borowski
Rich, just pulled the water pump off of my MOSTLY ORIGINAL 42k mile March 19 build L-79 '68 Corvette #14222 minutes ago, and it is INDEED #3782608 with a date of "A 4 8", which is January 4, '68.
Thanks for the info. For some reason I thought there was a hi performance water pump for the 327/350hp that differed from the base 327.

Anyway, I thought I had the wrong pump on the motor, but I guess it is correct. The only problem is it is beginning to leak from the pump shaft. I can't seem to find a rebuild kit for these. Any suggestions where to locate one? Or is it best to just get a new AC Delco and replace it?

~Rich
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