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Stewart WP users?

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Old 02-13-2001, 10:30 AM
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Car: 04 GTO
Engine: LS1
Transmission: M12 T56
Stewart WP users?

I'm just wondering which one you are using stage 1 or stage 2 and your impression. Also, how much lighter is an aluminum pump?
Just wondering cuz i'm gonna swap my WP out in the spring and wanted to know if i should blow the extra $80 for the aluminum stage 2 even though it'll surely be overkill. I'm a big fan of overkill cooling...
...ed

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Old 02-13-2001, 11:03 AM
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I put a Stewart stage 1 on my L98 last fall when I finished the rebuild so I haven't driven it in summer heat yet,but on the highway last fall with the temps in the 40s it wouldn't get above 150 deg.That's with a 160 deg stat.

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Old 02-13-2001, 11:49 AM
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I have a Stage 2 on mine... no overheating problems at all, with a 400 and stock HO cooling system except for a later model aluminum-plastic radiator.

They're a good bit lighter than an iron one; I'd say 7 or 8 pounds.

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Old 02-13-2001, 07:44 PM
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Car: 1985 IROC-Z
Engine: Magnacharged LS1
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Axle/Gears: Ford 9" 4:11's
I have a stage I on my 406. It ran really cool all last summer, but I also have a Griffin rad too. Unless you are really concerned about weight, I would stick with the iron one and save some money

James
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