| [GMCnet] engine water pumps? [message #212578] |
Thu, 27 June 2013 22:05  |
KB
Messages: 1262
Registered: September 2009
Karma: 0
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I'm trying to come up with a list of all the gaskets and other stuff that
I'll need in order to do an engine swap. Though the water pump
was (supposedly) changed on our engine 12k miles ago, I see there's
a new high volume version available. I'm not finding much info
on the pros and cons though. The high volume is more than twice the price.
Any thoughts on the merits of high volume vs regular water pumps??
thanks,
Karen
1973 23'
1975 26'
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Karen
1975 26'
San Jose, CA
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| Re: [GMCnet] engine water pumps? [message #212595 is a reply to message #212592] |
Fri, 28 June 2013 02:03  |
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ljdavick
Messages: 3548
Registered: March 2007
Location: Fremont, CA
Karma: -3
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Sorry to be so glib. Didn't Rick Denny, or was it Ken H, or Gene, do extensive testing on water pumps and determine that they are all sufficient?
Larry Davick
On Jun 27, 2013, at 11:50 PM, Larry Davick <ljdavick@comcast.net> wrote:
> Karen,
>
> The high volume water pump keeps the temperature right where the thermostat says it should be.
>
> Just like the regular pump!
>
> Larry Davick
>
> On Jun 27, 2013, at 8:05 PM, KB <kab7@sonic.net> wrote:
>
>> I'm trying to come up with a list of all the gaskets and other stuff that
>> I'll need in order to do an engine swap. Though the water pump
>> was (supposedly) changed on our engine 12k miles ago, I see there's
>> a new high volume version available. I'm not finding much info
>> on the pros and cons though. The high volume is more than twice the price.
>>
>> Any thoughts on the merits of high volume vs regular water pumps??
>>
>> thanks,
>> Karen
>> 1973 23'
>> 1975 26'
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> _______________________________________________
> GMCnet mailing list
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Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy
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| Re: [GMCnet] engine water pumps? [message #212602 is a reply to message #212595] |
Fri, 28 June 2013 07:26 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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I also tested several different pumps, the difference being the type and
size of the impellers. My test run was from San Diego to Palm Springs.
Varying topography, from cool to very hot temps. I found absolutely no
difference in coolant temps so my conclusion is that if your cooling system
is in good shape, any remanufactured (or new) pump will suffice.
Steve F
On Fri, Jun 28, 2013 at 12:03 AM, Larry Davick <ljdavick@comcast.net> wrote:
> Sorry to be so glib. Didn't Rick Denny, or was it Ken H, or Gene, do
> extensive testing on water pumps and determine that they are all sufficient?
>
> Larry Davick
>
> On Jun 27, 2013, at 11:50 PM, Larry Davick <ljdavick@comcast.net> wrote:
>
> > Karen,
> >
> > The high volume water pump keeps the temperature right where the
> thermostat says it should be.
> >
> > Just like the regular pump!
> >
> > Larry Davick
> >
> > On Jun 27, 2013, at 8:05 PM, KB <kab7@sonic.net> wrote:
> >
> >> I'm trying to come up with a list of all the gaskets and other stuff
> that
> >> I'll need in order to do an engine swap. Though the water pump
> >> was (supposedly) changed on our engine 12k miles ago, I see there's
> >> a new high volume version available. I'm not finding much info
> >> on the pros and cons though. The high volume is more than twice the
> price.
> >>
> >> Any thoughts on the merits of high volume vs regular water pumps??
> >>
> >> thanks,
> >> Karen
> >> 1973 23'
> >> 1975 26'
> >> _______________________________________________
> >> GMCnet mailing list
> >> Unsubscribe or Change List Options:
> >> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Take care,
Steve
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| Re: [GMCnet] engine water pumps? [message #212666 is a reply to message #212578] |
Fri, 28 June 2013 18:35 |
Cadillackeeper
Messages: 464
Registered: October 2012
Location: Fort Lauderdale
Karma: 1
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Senior Member |
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The Flowcooler pump has like they said a closed back.It is not just a disc whacked on it is also a different impeller design.The difference is Only at idle. My Cad idles in drive at a light at about 575 RPM.With the AC on and 90 degrees it makes a giant difference in
my car.I do not know what the olds idles at as i am still a newbie and have not had any reasons yet to get under the hood ,Luckily.They also are a little better with the seals and bearings.I just replaced mine after a couple years as I run only water as there is no room or place high enough for a recovery tank.we have a lot of pets in the hood here so i don't need them drinking my Green overflow and dying in my driveway.Spend the $100.If not just for peace of mind.
77 455 Elaganza II and 67 Animal, Built 500 Powered Eldo
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