454 water pump replacement

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496bb

Full Access Member
Joined
Oct 9, 2023
Posts
60
Reaction score
56
Location
AL
First Name
CL
Truck Year
1987
Truck Model
Suburban R20
Engine Size
454
Going to do a cooling system flush before starting intake swap, and I'm going to replace radiator and heater hoses, etc while I'm at it. Truck has 108K, but has been sitting in the hot AL sun on concrete for the last 10 years, so I'm going to be proactive and replace most if not all of the rubber under the hood.

Thinking that while I'm doing it, a new higher performance water pump wouldn't add much to the parts bill and be worth doing now since I'm pretty sure it's got the original 1987 factory pump. Any suggestions on brands or higher performance pumps? Will do some towing, and AC is mandatory here in AL in the summer, so I want the cooling system right and tight.
 

carfanatic63

Full Access Member
Joined
Nov 24, 2014
Posts
56
Reaction score
148
Location
Houston
First Name
Austin
Truck Year
1976
Truck Model
C15 SWB
Engine Size
454
I live in houston and have am ac delco water pump on my 454. No issues on my end
 

nvrenuf

Full Access Member
Joined
Jul 30, 2010
Posts
1,957
Reaction score
2,460
Location
Mobile, Al.
First Name
John
Truck Year
1991
Truck Model
K5
Engine Size
454
South Alabama here. Mine is a toy, not a daily driver but I’m running whatever the premium O’Reilly’s pump is without issues.

IMO, you’d do better to focus on the radiator and fan set up.
 

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