1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

2g water pump housing in a 1g

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Old 03-02-03, 03:19 PM
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2g water pump housing in a 1g

i have a turbo II water pump housing that im planning to put in my gslse engine and my question is what are the mod that i have to make to fit in my engine? i hear that i have to do something to it it but i dont know and it look strait forward. thanks
Old 03-02-03, 03:30 PM
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You'll need to use the top thermostat cover from your GSL-SE. Also you'll need to tap and plug off the stud hole for the water pump and run a bolt or a stud into that end so you can hook on the alternator bracket. I'm using a 1st gen water pump housing gasket, and a TII water pump gasket.
Old 03-02-03, 04:59 PM
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i would like to swap over to that housing, but im going to wait til i swap to an electric water pump to do it. any ideas what kinda weight savings you get?
Old 03-02-03, 05:35 PM
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well when putting in my motor, i had some clearance issues with the S5 water pump housing I was using and my 12a front cover.

You just need to grind away some of the housing, and a little bit off the frontcover it should fit like a charm.

and heres the thing that nobody will believe, my stock 12a radiator hoses worked while using the 89+ water pump housing!
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