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3rd gen water pump?

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Old 05-12-04, 08:47 AM
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3rd gen water pump?

Will a 3rd gen water pump mount on a s4/s5 block? Yay or nah please.
Old 05-12-04, 09:09 AM
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Just looked at the parts fiche...Sure doesn't look like it. Bolt pattern is slightly different.
Old 05-12-04, 09:24 AM
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I was afraid of that...i had wanted to use the 3rd gen water pump so i could use a true serpentine pulley setup. For what i want the water pump would be spun by the back side of the belt, pictures i've seen of the 3rd gen cars already do this and i wasn't sure if the 2nd gen water would work well going backwards...
Old 05-12-04, 02:07 PM
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RX-7 Specialties in Calgary Alberta is currently working on a serpintine setup for the 2nd gen. I have an early test set of pullies now. They look great. Not sure when they will start selling them though.
Old 05-12-04, 02:34 PM
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I think atkins has a pulley kit for serpentine, but I am not totally sure.
http://www.atkinsrotary.com/store/cu...me.php?cat=456
I've seen it advertised on some other company's website as well, but that was like 9 months ago
Old 05-12-04, 02:37 PM
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are you looking to run a supercharger off the same belt and have it snake around water pump first then to the supercharger then to the alternator?
Old 05-12-04, 05:11 PM
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Yeah, belt should go to the Supercharger, then around the water pump up to the alternator then back to the main drive. I think that if i could do that then i wouldn't need another tension pulley. From what i hear the atkins setup would not work because it drives the water pump the same way the the stock pulleys do, it just uses a single belt.
Old 05-13-04, 05:12 AM
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The water pump fits.
We've done it.
You need the longer 13B-REW studs, as the FC ones are too short.

The aux stuff (AC and PS) might not fit exactly the same, and I think you need to redrill one of the mount holes on the site.

The 13B-REW rad inlet and outlet ends are different thant he FC stuff, so you need to redo the hoses.

Beware of the plastic AST - it fails on FD's, and it's recommended to get rid of it or get an aftermarket aluminum one.


-Ted
Old 05-14-04, 05:50 AM
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I don't care about the aux stuff, i'll figure out how to get those to fit later, but if the 3rd gen pump fits then that'll make my mod for the SC a little easier...i think...

Thanks RETed!!
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