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That’s definitely a concern Finn. The coolant that came out of it was good and green and tested well for winterization. I flushed the heck out of it and didn’t find any evidence of more rust, but a borescope wouldn’t hurt. Hopefully it ends up being a defect in the pump. A new one is on order!
Sent from my iPhone On Jun 10, 2020, at 7:37 AM, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
Wow! That is amazing. I wonder if the
coolant had been just water without corrosion preventing glycerol
or similar? Also makes me wonder how the inside of the rest of the
engine looks. I wonder if you could snake a bore scope in there.
Finn
On 6/9/2020 9:10 PM, Ryan Hendrickson hendoii@yahoo.com wrote:
It’s got a hole in one of the blades Finn and I’m suspecting air bubbles and cavitation in the system. Hopefully it’s the cause of my cooling issue.
Sent from my iPhone
On Jun 9, 2020, at 2:14 PM, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
Curious as to why you're replacing the water pump.
Have you tried a water hose into the engine to somehow check free flow through it and radiator?
Finn
On 6/9/2020 3:37 PM, Ryan Hendrickson hendoii@yahoo.com wrote:
Thanks Jeff. I actually ordered that same one. I’m hoping it doesn’t show up looking like mine but 1/3 smaller like the first one I ordered. Here is to hoping!
Sent from my iPhone
On Jun 9, 2020, at 11:35 AM, Jeff Whaley jwhaley@datacast.com <flyrotary@lancaironline.net> wrote:
Here is an Ebay.ca ad for an 8-hole Mazda Water Pump ... check it out.
Jeff
https://www.ebay.ca/itm/Engine-Water-Pump-GMB-145-2070-fits-89-91-Mazda-RX-7-1-3L-R2/274107613661?fits=Model%3ARX-7%7CMake%3AMazda&epid=76358991&hash=item3fd21641dd:g:Ez4AAOSwqg9eVBF0
-----Original Message-----
From: Jeff Whaley
Sent: June-09-20 1:30 PM
To: Rotary motors in aircraft
Subject: RE: [FlyRotary] Water Pump
Ryan, is it possible your water pump is off an old 12A?
Lynn Hannover is on this list and would be able to answer anything about 12A's ... maybe reach out to him directly in the subject line??
Jeff
-----Original Message-----
From: Jeff Whaley
Sent: June-09-20 8:02 AM
To: Rotary motors in aircraft
Subject: RE: [FlyRotary] Water Pump
Hello Ryan, this is a photo of my water pump from a 1988 13B ... Jeff
All,
Can anyone point me towards the correct water pump? The one in the top of the photo is the correct one. The one on the bottom is obviously incorrect. It's the second one we've ordered.
The first one that I ordered looked identical to my original one. However, when it arrived it was similar, but about 1/3 smaller than mine. When I ordered this second one we all (Carquest employees) poured over the pictures to make sure it was correct. When it arrived it had one less bolt hole than the one in their pictures.
I have a Powersport 13B. Any ideas what pump they ran and where a guy can order one
Thanks,
Ryan
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