"New" Stewart Stage 2 Water Pump, TBI 746 ecm
06-01-2009, 02:46 PM
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Car: 97 Z28
Engine: LT1
Transmission: A4
Axle/Gears: 3.73
"New" Stewart Stage 2 Water Pump, TBI 746 ecm
Stewart Stage 2 aluminum water pump p/n 23123
This is the description from Stewart's website, 1987-Up Passenger Cars and Light Trucks w/Belt Drive Pumps. CCW for serpentine belt.
The pump is about six years old and has been in storage for that time. It has never been used.
Asking $115 shipped.
Ecm from a '92 RS, has a custom Ed Wright Fastchip prom tuned for a 355 with a 5spd, ZZ4 cam, L98 aluminum heads and 670 TBI unit.
Asking $50 shipped.
This is the description from Stewart's website, 1987-Up Passenger Cars and Light Trucks w/Belt Drive Pumps. CCW for serpentine belt.
The pump is about six years old and has been in storage for that time. It has never been used.
Asking $115 shipped.
Ecm from a '92 RS, has a custom Ed Wright Fastchip prom tuned for a 355 with a 5spd, ZZ4 cam, L98 aluminum heads and 670 TBI unit.
Asking $50 shipped.
06-01-2009, 08:13 PM
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Car: 1988 IROC
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Re: "New" Stewart Stage 2 Water Pump, TBI 746 ecm
Whats the advantage of a stewart over a stock pump?
Do you know what mods they do to their pumps?
They're website is kinda vague as to what they do..
I'm interested in it..
Do you know what mods they do to their pumps?
They're website is kinda vague as to what they do..
I'm interested in it..
Last edited by LVZ2881; 06-01-2009 at 08:16 PM.
06-01-2009, 09:08 PM
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Car: 97 Z28
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Re: "New" Stewart Stage 2 Water Pump, TBI 746 ecm
I really couldn't give you anymore info than what Stewart says on their website.
The only thing I can say is that it only weighs about 5 lbs so it should be around 8-10 lbs lighter than a stock pump so that's kinda nice.
The only thing I can say is that it only weighs about 5 lbs so it should be around 8-10 lbs lighter than a stock pump so that's kinda nice.
06-08-2009, 03:07 PM
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06-10-2009, 02:08 PM
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Car: 89' IROC-Z
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Re: "New" Stewart Stage 2 Water Pump, TBI 746 ecm
Advantage is a 30% increase in coolant flow, as matched with their thermostat. I have their 3 holed 180* stat to match my stewart pump. You'll love it as I love mine.
From Stewarts Website
Article Found Here
From Stewarts Website
Article Found Here
Stewart Stage 2, 3, and 4 water pumps simply will NOT operate with a regular thermostat because these pumps have no internal bypasses.
Last edited by I H8 WWD; 06-10-2009 at 02:17 PM.
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