Water Jacket mod
07-22-2006, 05:56 AM
#11
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Join Date: Mar 2003
Posts: 40
Here's a pic from an older Mazda SAE paper (#860560) that shows the temperature distribution around the rotor housing when the engine is run under high load. Looks like the coolant passages surrounding and below the plugs would be the areas to focus on with this type of mod.
[attachment=38896:attachment]
[attachment=38896:attachment]
07-22-2006, 12:15 PM
#13
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Join Date: Jun 2005
Posts: 49
Thanks for the explanation guys, that makes sense! I will do this mod in the future.
But here I go again with my crazy ideas...what if you were to cut angled grooves parallel to water flow, but at angles, so that the water would essentially swirl while going forward???
But here I go again with my crazy ideas...what if you were to cut angled grooves parallel to water flow, but at angles, so that the water would essentially swirl while going forward???
07-22-2006, 08:32 PM
#15
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Join Date: Oct 2001
Location: Peoria, AZ
Posts: 10,906
Originally Posted by renns' post='829613' date='Jul 22 2006, 05:56 AM
Here's a pic from an older Mazda SAE paper (#860560) that shows the temperature distribution around the rotor housing when the engine is run under high load. Looks like the coolant passages surrounding and below the plugs would be the areas to focus on with this type of mod.
[attachment=38896:attachment]
Thats what I have gathered from literature on the subject. I also read its only needed under extreme racing conditions, however I'm sure it can't hurt in any other case.
07-24-2006, 12:01 AM
#18
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Join Date: Oct 2001
Location: Peoria, AZ
Posts: 10,906
Originally Posted by z-beater' post='829755' date='Jul 23 2006, 12:54 PM
I blew my coolant seal on the REW and it was on the side of the plugs...just thought I would say that since it is kind of in reference to the pic provided...
Thats what I have seen on customer's cars also.
07-24-2006, 11:48 AM
#19
Senior Member
Join Date: Jan 2006
Posts: 1,114
Yeah, I might just have to do this mod. I took a look at the busted center iron and it appears as if the part broke right where the lower plugs would sit.
To tell you the truth I looked long and hard for a good iron but it appears as is this is a common failure for the REW. Most of the people that were parting their block(good internals) had blown a coolant seal. I wonder why it is not more commonly practiced.
Anyone have a picture of a carbide ball? I am interested to see if it is the piece that I am thinking of...
To tell you the truth I looked long and hard for a good iron but it appears as is this is a common failure for the REW. Most of the people that were parting their block(good internals) had blown a coolant seal. I wonder why it is not more commonly practiced.
Anyone have a picture of a carbide ball? I am interested to see if it is the piece that I am thinking of...
07-25-2006, 04:05 PM
#20
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Join Date: Jun 2003
Location: Grand Prairie, TX
Posts: 917
Originally Posted by REZCAR' post='829565' date='Jul 21 2006, 08:34 PM
Does this mod actually give results?
I understand the concept behind it, but have always wondered why the cuts do not go parallel to the water flow. Seems like there would be less resistance and therefore less turbulence/cavitation in the water passages.
I'd like to see some demonstrable proof of this, as well.
B