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Re: [GMCnet] 455 Serpentine belt system. [message #78115 is a reply to message #78107] Fri, 26 March 2010 19:20 Go to previous messageGo to previous message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma:
Senior Member
Dave,

From those views I agree you're right so I did some more searching:

4.3 Diesel:

Note: click on "Click to view part image and information."

http://www.clearlyauto.com/catalog/1983/Oldsmobile/Cutlass-F85/V6-260-4.3L-D
sl/Cooling-System/Water-Pump-Gasket-Fan-Clutch

http://tinyurl.com/ygqwckg

455 V-8 with air conditioning:

Note: click on "Click to view part image and information."

http://www.clearlyauto.com/catalog/1975/Oldsmobile/Toronado/V8-455/Cooling-S
ystem/Water-Pump-Gasket-Fan-Clutch

http://tinyurl.com/ygsrflf

455 V-8 without air conditioning:

Note: click on "Click to view part image and information."

http://www.clearlyauto.com/catalog/1975/Oldsmobile/Toronado/V8-455/Cooling-S
ystem/Water-Pump-Gasket-Fan-Clutch

It appears that the bolt pattern IS the same but relationship of the large
connection to the two "wings" is different in the housings.

Also note the size of the impeller in the pump for vehicles WITHOUT air
conditioning! Wonder why it's so much larger? I would think it should be the
opposite, wouldn't you want more water circulating through and engine that
had an air conditioning condenser in front of the radiator?

Good find Dave!

Regards,
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426


-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Dave Mumert
Sent: Saturday, 27 March 2010 9:24 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] 455 Serpentine belt system.

Hi

Here are the photos of the two water pumps taken from GMBs catalog.
http://www.gmcmhphotos.com/photos/showgallery.php?cat=5417


They look pretty similar to me. It would be nice to see the back side as
well, I had photos of the back side but can't find them anymore.

Dave


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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426
 
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