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Replacing water pump & thermostat. What brand?
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Official CCB Member   Joined: Thu Nov 11, 2010 10:36 am Posts: 5984 Location: California 
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 Replacing water pump & thermostat. What brand?Been years since I've replaced these items. I do remember fooling with the thermostat once upon a time, but my engine rebuilder put the last pump on. It is seeping, so time for it to go. Also, the engine has been running hotter for the last couple years than previous to the rebuild. Looking at rockauto, I have the following choices:
https://www.rockauto.com/en/catalog/for ... +pump,2208 Also, what temp thermostat should I go with? 192 seems to ring a bell, but dang that was a long time ago! I might even have a spare in my stash somewhere, but it's not worth digging for. Is there an optimum temp for EFI to run properly? Thanks! _________________ 1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow. http://www.ucora.org |
| Tue Nov 15, 2022 3:48 pm |
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Official CCB Member Joined: Sat Oct 02, 2010 9:41 pm Posts: 1201 Location: Erie
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Re: Replacing water pump & thermostat. What brand? I've just run whatever Napa or AutoZone had in stock lately.
Last time I did my thermostat I went back to the 180 and should have done the 195. My engine always runs on the cold side though. Sent from my Pixel 5 using Tapatalk _________________ 1975 Ranger Edition that I've had longer than I've been without it. |
| Tue Nov 15, 2022 8:29 pm |
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Official CCB Member  Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV
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Re: Replacing water pump & thermostat. What brand? 195* is what I remember for EFI.
I don't want to jinx it but I bought a FlowKooler waterpump 20+ years ago and it's fine. Lifetime warranty if I remember. _________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141) |
| Wed Nov 16, 2022 9:01 am |
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Official CCB Member Joined: Thu Nov 11, 2010 10:36 am Posts: 5984 Location: California
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Re: Replacing water pump & thermostat. What brand? Flowcooler? That a new one on me! They are triple the price tho! Hmmm.
_________________ 1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow. http://www.ucora.org |
| Wed Nov 16, 2022 10:34 am |
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Official CCB Member Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV
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Re: Replacing water pump & thermostat. What brand? _________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141) |
| Wed Nov 16, 2022 11:58 am |
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Official CCB Member Joined: Thu Nov 11, 2010 10:36 am Posts: 5984 Location: California
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Re: Replacing water pump & thermostat. What brand? I reached out to flowkooler. They say their pump is designed to flow twice the volume at low rpms, which is crawling territory... For my application, it's $149 and then a $27-$50 thermostat.
I don't want to throw money away, but this does seem appealing and I don't mind spending the extra dough if the benefit is there. _________________ 1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow. http://www.ucora.org |
| Wed Nov 16, 2022 12:06 pm |
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Official CCB Member Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV
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Re: Replacing water pump & thermostat. What brand? I made the swap early on, so I can't speak to any improvement. I can say I've never had overheating issues and it is still not leaking 20 years later.
_________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141) |
| Wed Nov 16, 2022 12:17 pm |
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 Joined: Mon Nov 28, 2016 11:34 am Posts: 808
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Re: Replacing water pump & thermostat. What brand? I'm running a 302/EFI with a regular off the shelf water pump 192 T-stat with a 94 Explorer radiator, shroud and OEM fan clutch and haven't had a heating issue yet.
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| Wed Nov 16, 2022 2:06 pm |
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Official CCB Member Joined: Thu Nov 11, 2010 10:36 am Posts: 5984 Location: California
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Re: Replacing water pump & thermostat. What brand? I rec'd my Flowkooler and their fancy thermostat last week. Great customer service and fast shipping! Hoping to install this weekend!
I am also hoping to add a drain petcock to my radiator so I don't make a huge mess each time I drain the system. Found a shop to do it, but upon closer inspection of my radiator, I am not sure he can. _________________ 1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow. http://www.ucora.org |
| Tue Nov 29, 2022 2:12 pm |
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Official CCB Member Joined: Mon Jan 03, 2011 6:07 pm Posts: 4074 Location: Gardnerville, NV
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Re: Replacing water pump & thermostat. What brand? _________________ "America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe 74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges 72 U15- Explorer Sport-Candyapple Red (1 of 141) |
| Tue Nov 29, 2022 2:20 pm |
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Official CCB Member Joined: Thu Nov 11, 2010 10:36 am Posts: 5984 Location: California
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Re: Replacing water pump & thermostat. What brand? https://flowkoolerwaterpumps.com/collec ... thermostat
blah, blah, blah, hi-po, blah, blah, blah! In a nut shell! _________________ 1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow. http://www.ucora.org |
| Tue Nov 29, 2022 3:39 pm |
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Official CCB Member  Joined: Thu Oct 25, 2012 9:33 pm Posts: 2460
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Re: Replacing water pump & thermostat. What brand? It definitely has a 1000 word fancy dissertation to explain how fancy it is (seems a lot for a $26 part). But now I want one…
Sent from my iPhone using Tapatalk _________________ 69 Wagon, 351W, Explorer EFI & Serpentine, ZF5, 35" tires, 3.5 SL, 2 BL, WARN 8274 |
| Tue Nov 29, 2022 6:55 pm |
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