LT1-LT4 Modifications 1993-97 Gen II Small Block V8

waterpump swap

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Old Apr 15, 2003 | 05:29 PM
  #1  
LT1 SS's Avatar
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From: NorCal
Default waterpump swap

Just wondering if anyone has replaced their waterpump w/ a stock unit. Mine is pissing bad and need to change it tonight since this is my only running vehichle right now. How long does it take? And how easy is the swap? thanks.
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Old Apr 15, 2003 | 06:09 PM
  #2  
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From: That Southern Fried Space City
Default Re: waterpump swap

If you've never done it before it will take ya a few hours. It's just bolts, but not that bigga deal at all. You can do it all from the top too, but a couple of the bolts are easier to get to from the bottom.
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Old Apr 15, 2003 | 07:15 PM
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From: Fairfax VA
Default Re: waterpump swap

better get it outta there soon if its leaking or you could risk it frying your optispark. And if the opticrap is showing any signs of wear this would be the perfect time to replace that as well.
Brian
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Old Apr 17, 2003 | 08:00 AM
  #4  
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From: Orlando, FL
Default Re: waterpump swap

Mine crapped out just before the extended warranty expired, they even replaced the optispark. If you have any mechanical experience tackle the job yourself. The rewards of doing it yourself are gratifying.

<small>[ April 17, 2003, 08:08 AM: Message edited by: SSweet97 ]</small>
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Old Apr 17, 2003 | 05:39 PM
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From: BLOOMFIELD, NY
Default Re: waterpump swap

Yeah it only takes a few hours. Just like they said above. Replace that opti now if it is not new
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Old Apr 17, 2003 | 09:03 PM
  #6  
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From: Houston
Default Re: waterpump swap

i had some inquiries about electric waterpump installs and asked JB from www.racenet.net about it and he gave me this link for installing an electric water pump. It shows the procedure for how to get the stocker off and im assuming reverse the steps for reinstallation. check this out, it may help... http://www.projecttransam.com/projects9.asp

<small>[ April 17, 2003, 09:05 PM: Message edited by: Gangly ]</small>
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Old Apr 18, 2003 | 12:03 AM
  #7  
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From: Austin, TX
Default Re: waterpump swap

Took me about 7 hours to put in my new Opti the first time I did it. Got to do it again the next day because I had put it in 180 out. <img border="0" title="" alt="[Mad]" src="gr_images/icons/mad.gif" />

Then, a couple weeks later, the small round oil seal around the pin drive off the cam was leaking a bit. Most people would ignore it, but my car cannot have leaks, so everything came off again.

Anyway, it gets quicker with practice. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

Always, always, always bleed the cooling system after this. That reverse flow system does not tolerate air very well.
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