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05-02-2006, 02:54 PM #1
Need technical knowledge on a blow-by product
It's called EnValve
http://www.misterfixit.com/envalve.htm
forum post with more details
http://www.allpar.com/forums/index.php?showtopic=52305
http://neptune.spacebears.com/cave/knuckle.html
It says it's a vacuum regulator. I emailed the seller of the product and hopefully I'll get a response. Does this seem like a good idea ? The more I read the more it seems the oil catch can without a vacuum is a bad idea. I want to connect the oil catch can inline of the supercharger but without gunking up the SC/IC with fumes residue.
It says you need 2 to 5 inches of vacuum from a vacuum gauge on the dipstick tube. Is this what we have on our ski's.
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05-02-2006, 03:06 PM #2
Interesting ... this one made me think a little ... I think the problem we are seeing is due to too much suction (vacuum) with the unrestricted 3/4" line some of us are running from the engine to the catch can and to the Riva intake nipple. I bet the suction in that line is much higher than 2 - 5" of vacuum due to our supercharger pull, resulting in oil getting past our catch cans.
I wonder if I cut the line going from the catch can to the Riva intake nipple and install a T with a screw on cap, and cut a few holes in that cap, lessening the vacumm in the line, if that will still allow some vacuum, but not so much that it pulls blowby and oil into the intake. OR, install a restrictor in the line between the catch can and the Riva intake nipple, having the same effect of reducing the vacuum to a reasonable level.
I did not totally understand how the envalve works, but the idea might help us with our setups ...
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05-02-2006, 03:09 PM #3
I'm glad you read and posted some thought on the matter.
Here is another site that had some technical information about over vacuum
http://www.slantsix.com/UBB/Forum6/HTML/000412-2.html
I'm thinking of doing a Mr. Gasket and figure out some sort of vacuum regulator. I believe this is what the envalve is that seems to put constant regulated vacuum pressure on the crankcase.
http://www.jegs.com/webapp/wcs/store...d=13391&CT=999
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05-02-2006, 05:34 PM #4
why connect the hose back into the air system at all? Why not just go into a single input catch can?
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05-02-2006, 05:38 PM #5
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what Idizzy said....thats what most do...I think shibby does it that way from his pic he showed....
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05-02-2006, 05:50 PM #6
I have a oil catch can but oil catch can's don't put vaccum on the crankcase which from what I read is bad. The pistons don't seal correctly and you get carbon build up among other things.
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05-02-2006, 06:04 PM #7
I`ve got a good idea! Take up wood carving. Like making a full scale aircraft carrier. Nimitz class!
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05-02-2006, 06:05 PM #8
Your comparing cars and Rotax engines. The rpm ranges are waaaaaay different. You`d do better looking at bike sites. Start with Suzuki.
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05-02-2006, 07:07 PM #9
Originally Posted by HOSS
can you use JB weld on it????????????????????????????????
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05-02-2006, 07:10 PM #10
Originally Posted by HOSS
Thank You
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