FYI on Cobra R Water Pump
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Senior Member
Joined: Jun 2001
Posts: 1,210
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From: Cave Creek, AZ
FYI on Cobra R Water Pump
Let me preface this post with the statement that I am certainly not getting anything out of this and it is strictly an FYI for all of my fellow L owners.
Turns out this bad boy is the same water pump used in all 4V Mustangs (part number YR3Z-8501-AB or the Motorcraft number is PW402). Just ordered one from Gary at Fordpartsonline for $75 plus shipping. I certainly don't want to screw any tuners since without them we wouldn't be having the fun we are but $30 is $30.
Turns out this bad boy is the same water pump used in all 4V Mustangs (part number YR3Z-8501-AB or the Motorcraft number is PW402). Just ordered one from Gary at Fordpartsonline for $75 plus shipping. I certainly don't want to screw any tuners since without them we wouldn't be having the fun we are but $30 is $30.
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Senior Member
Joined: Jun 2001
Posts: 1,210
Likes: 6
From: Cave Creek, AZ
Nope...same water pump.
Check out this thread:
https://www.f150online.com/forums/sh...ht=cobra+water
Take care,
Dan
Check out this thread:
https://www.f150online.com/forums/sh...ht=cobra+water
Take care,
Dan
Senior Member
Joined: Aug 1999
Posts: 5,438
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From: Palm Coast, FL
Actually the pumps are not the same. I was mistaken back then, because I had been told they were the same. But the R pump does have a disc on the impeller to help flow. You can use the regular 4V pump, it's frees up power just as good, but the R pump moves more coolant, that's why we've switched to selling it now that we know it's different.
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Joined: Nov 2000
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From: rochester,michigan
Hey Sal, so are you saying we could use the extra flow of the "R", or is the stock 4V pump adequate? Is the power figure the same? Thanks, Jack
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From: Portland, Oregon
The slower the flow=more power IF the thermostat is regulating temp properly. The thermostat will be doing its job if it maintains the temp, no matter what the flow.
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Joined: Mar 2001
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From: CORAL SPRINGS, FL. USA
Originally posted by Frank S
The slower the flow=more power IF the thermostat is regulating temp properly. The thermostat will be doing its job if it maintains the temp, no matter what the flow.
The slower the flow=more power IF the thermostat is regulating temp properly. The thermostat will be doing its job if it maintains the temp, no matter what the flow.
