 SBC V8 Water Pump Failure, 3 Styles of Pumps Tested BYPASS THERMOSTAT UPDATE |
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| nick mironov |
 May 6 2010, 12:32 PM
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nickm  Group: Members Posts: 204 Joined: 12-June 05 From: San Francisco, CA Member No.: 4,264  |
My Renegade water pump failed yesterday. The pump impeller is stamped steel and the blades all just folded over or sheared off. I understand that the cast impellers are much stronger, but that not all manufacturer's cast models will fit into the Renegade housing. Anybody have experience with cast impeller pumps that will fit into the Renegade housing?
Since there is no bypass in the Renegade system, Renegade instructions are to limit the motor RPM to 3,000, or less, untill the thermostat opens. I have observed this, but the pump still failed after 5,500 miles. Renegade now makes a bypass kit, which I going to try, but I would still like to get a more durable pump. Nick |
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| Mike Bellis |
May 26 2010, 03:29 PM
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Resident Electrician Group: Members Posts: 8,346 Joined: 22-June 09 From: Midlothian TX Member No.: 10,496 Region Association: None 
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Very nice. Thanks for doing the research for our benefit. I think I should buy one even though I don't need it yet.
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Posts in this topic
nick mironov SBC V8 Water Pump Failure May 6 2010, 12:32 PM
messix some else just had this problem less than six mont... May 6 2010, 12:35 PM wallys914 You run a Thermostat? I don't... but then agai... May 6 2010, 01:00 PM Bruce Hinds It's a mopar impeller, they make a few differe... May 6 2010, 01:01 PM zymurgist I drilled a 1/16" hole in the flange of my t-... May 6 2010, 01:43 PM SLITS It is hard to imagine that a pump would see suffic... May 6 2010, 05:24 PM kg6dxn Buy a Mopar Performance high flow water pump for a... May 6 2010, 06:34 PM nick mironov This type of failure is a typical problem with th... May 6 2010, 09:07 PM
messix
This type of failure is a typical problem with t... May 6 2010, 09:14 PM
kg6dxn
This type of failure is a typical problem with t... May 6 2010, 09:15 PM computers4kids
[quote name='nick mironov' post='1314826' date='M... May 6 2010, 10:06 PM kg6dxn Found one for you.
http://www.summitracing.com/pa... May 6 2010, 09:22 PM messix it's the cavitation that bends the impellers. ... May 6 2010, 09:23 PM kg6dxn Here's a marine version.
http://marineenginep... May 6 2010, 09:35 PM TC 914-8 Yep I was one of those recient failures.
I went ... May 6 2010, 11:44 PM messix
Yep I was one of those recient failures.
I went... May 7 2010, 08:43 AM nick mironov That failure looks exactly like mine...
The threa... May 6 2010, 11:56 PM jimkelly maybe i will just keep running my stock water pump... May 7 2010, 04:58 AM SLITS In the other thread, someone asked what Ford did t... May 7 2010, 07:08 AM SLITS Here's the deal. I will send a pump (that was... May 7 2010, 08:56 AM nick mironov I will take you up on this. My housing is out of t... May 7 2010, 06:14 PM marks914 Just find the right impeller assembly and replace ... May 7 2010, 08:05 PM nick mironov This is the Test Setup.
Although the pump housin... May 26 2010, 10:00 AM nick mironov This is the Lineup of the Tested Impellers.
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Th... May 26 2010, 10:02 AM nick mironov Failed Stamped Impeller.
The impeller failed duri... May 26 2010, 10:04 AM nick mironov Replacement Stamped Impeller
This is an exact rep... May 26 2010, 10:05 AM nick mironov 3.66” Diameter Cast Impeller
This is the small ... May 26 2010, 10:06 AM nick mironov 4.365” Cast Impeller
I first thought that the i... May 26 2010, 10:07 AM nick mironov The Housing
May 26 2010, 10:08 AM nick mironov Replacement Stamped Impeller in Housing
Note that... May 26 2010, 10:09 AM nick mironov 4.365” Cast Impeller in Housing
There is also g... May 26 2010, 10:10 AM nick mironov 4.365” Cast Impeller in Housing
Note that there... May 26 2010, 10:11 AM nick mironov 3.66” Cast Impeller in Housing
Note the very sm... May 26 2010, 10:12 AM nick mironov Housing
After I finished testing everything, I cl... May 26 2010, 10:13 AM nick mironov 3.66” Cast Impeller in Housing after Beveling th... May 26 2010, 10:14 AM nick mironov [b]The Results
Since I did not have test equipmen... May 26 2010, 10:16 AM BRAVE_HELIOS Love this write-up!!
I am in the market f... Oct 5 2011, 10:03 PM BRAVE_HELIOS
[b]This is the Test Setup.
Although the pump ho... Nov 1 2010, 01:46 PM TC 914-8 Great write up, details and data.
When I was look... May 26 2010, 11:29 PM drive-ability I had a similar problem, I looked around and found... May 27 2010, 07:38 AM LvSteveH This is Scott using Steve's 914 World account ... Jun 1 2010, 04:47 PM nick mironov I purchased Scott's / Renegade's bypass th... Jun 2 2010, 01:02 AM SLITS Ok, last bit of information I will post on this.
... Jun 2 2010, 01:50 PM nick mironov The Renegade system thermostat with bypass is now ... Jun 6 2010, 10:54 AM nick mironov RE: SBC V8 Water Pump Failure Jun 6 2010, 10:55 AM nick mironov RE: SBC V8 Water Pump Failure Jun 6 2010, 10:55 AM nick mironov RE: SBC V8 Water Pump Failure Jun 6 2010, 10:56 AM nick mironov The only problem I had was that the Renegade ... Jun 6 2010, 10:58 AM nick mironov RE: SBC V8 Water Pump Failure Jun 6 2010, 10:59 AM PRS914-6 First let me say that I have never done a SBC conv... Jun 6 2010, 04:49 PM |
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