Thread: RXP Oil Blowby / PVC
05-23-2005, 12:00 PM #1
RXP Oil Blowby / PVC
When I put on the Riva Air Filter, I noticed engine oil all thru the stock intake up to and into the supercharger. This was due to the stock crankcase ventilation hose going right into the air intake. Getting oil into the intake of a motor will reduce power, and in large quantities, can cause deposits and detonation. So I installed a remote oil filter kit, drilled out the rubber gasket material under the holes of the oil filter (so it would pass lots of air), attached it to the front battery strap, and ran 3/4" line to connect it. I ran the lines high, attaching under the cowling to aid drainback into the engine if a little oil blew out into the line. That was at 5 hours, and my oil measured pretty close to the top of the dipstick crease.
Yesterday I checked the oil and it was roughly 1/3 the way off the bottom crease mark - still in a good range, but lower than before. I spun off the remote oil filter and it was almost full! When I drained it out, it measured 2/3 of a quart ... and I am glad this did not go into my motor.
Maintaining the proper oil level in our skis is a bit tough, so I like to think that my setup allows for excess oil to be blown out, but NOT end up in the intake and engine. Kinda self-regulating, but with no bad side effects.
Just wanted to pass this along ... seeing almost a quart of oil that would have gone into my motor made me think a bit. Obviously this will not damage your engine (there are too many SC 4-tecs with stock setups that are passing oil into the intake without problems), but in general, keeping oil out the intake is a good thing.
05-23-2005, 12:05 PM #2
Thats a good idea Vern and I have been thinking of doing something similar as well after noticing oil in my intake tract.
Keep the oil level on the low side also helps reduce the amount of oil blown into the air intake.
05-23-2005, 01:34 PM #3
Please post pics if you can Vern - sounds like a great mod!
05-23-2005, 02:36 PM #4
I will try to take pics tonight, upload them to my AOL album. Then how do I get them on the forum?
05-23-2005, 02:38 PM #5
you can upload them directly here using the "add attachment" button.
05-23-2005, 02:38 PM #6
When you "post a reply" you'll see below the text you write for a response a solid blue bar saying "Add an Attachment." Below that you'll see a "Browse" button that you click and then you find where your pictures are at on your computer. Once you've found them then click "submit."
05-23-2005, 02:39 PM #7
Thanks! I will try to do that tonight.
05-23-2005, 10:16 PM #8
Tried to upload pics, just won't go. File size is 818kb ... is this too big, or?? Tries for about 3 minutes, then quits ... help?
05-23-2005, 10:21 PM #9
too big vern, shrink em down!
05-23-2005, 10:38 PM #10
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