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Does a bad waterpump hurt gas mileage?

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Old Jun 20, 2001 | 07:43 AM
  #1  
heezie25th's Avatar
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Joined: Jun 2001
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From: Portsmouth Oh 45662
Does a bad waterpump hurt gas mileage?

I just replaced my waterpump a few days ago, and it seems like I've been getting great gas mileage since. Would that have anything to do with it?
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Old Jun 20, 2001 | 08:09 AM
  #2  
Pukka's Avatar
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From: Where the chicks absolutely LOVE the V-8 rumble!
Car: 92 RS - Fully Restored w/Custom Int
Engine: LO3 with some mods
Transmission: T-5
Axle/Gears: 3.42 Richmond
It's a reach, but improved water flow keeps the engine cooler, which could give you better mileage.....but I don't think it would be noticeable

------------------
92 Camaro RS, LO3, 5-spd, T-tops

Performance:
K&N Open Air Filter, Edelbrock performer TBI intake, Fastchip Prom, Timing +4 degrees, Centerforce clutch, Xact 8mm wires, SLP 1 3/4" Headers (coated), Flowmaster Catback Exhaust, Z28 Grille w/aftmkt fog lamps, MacEwen white-face guages
Electronics:
Alpine 8030 Alarm System, Valentine One Radar Detector (How did I ever drive without one?), Pioneer DEH 7450 Head Unit w/6-pack CD changer, Pioneer DEQ 7600 Sound Processor, 2 Kenwood KAC-846 Amps powering 2 12" Pro Red subs, 2 Pioneer 6x9 and 2 MTX 4x6 speakers.
NEXT UP: TBI mods, 3.42 gears w/Torsen posi
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Old Jun 20, 2001 | 06:55 PM
  #3  
Enkil's Avatar
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Joined: Dec 2000
Posts: 886
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From: Raleigh, NC, USA
If the old water pump was hard to turn it might've been sapping power from the crank.

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89 iroc-z 305 tbi
k&n filtercharger, open element air filter. nuffin' else
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