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Thread: Question for JDC and 1Bad

Created on: 06/21/09 03:23 AM

Replies: 3

BadinBlack


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Joined: 02/09/09

Posts: 493

Question for JDC and 1Bad...and whoever else wants to help lol
06/21/09 3:23 AM

How much crankcase blowby are you guys getting with your turbo's? I ran slightly smaller tubing from my crankcase vent up to the tail of the bike under the rear seat (3 feet worth uphill ). I have a small cone filter inside a plastic baggie with the end open....hopefully that'll catch any excess withot a major mess. I've gotten the impression the 14 likes to push oil out the breather under boost...how bad is it? I'm not sure exactly what I'm going to be dealing with here......


* Last updated by: BadinBlack on 6/21/2009 @ 3:27 AM *

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Badzx14r


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Joined: 03/17/09

Posts: 1947

RE: Question for JDC and 1Bad
06/21/09 6:43 AM

OK THIS WHAT I GOT .. I cut the oil drain line in the oil pan a couple inches .. then i cut the factory rubber hose from breather box to air box at the 90 about 3 inches up from 90 thats going to the air box port on frame .. so in all my cone breather filter is 6 inches above breather box on motor .. i have never had an issue with oil coming out on this motor ... i can smell oil fumes when motor is hot and at idle at the dragstrip after a pass ... but with the crank case venting i think its normal ...

now before with the blown or hurt motors ... it wouldn't have made a phuck if you had 50ft of hose and a catch tank .. oil was coming out ..


* Last updated by: Badzx14r on 6/21/2009 @ 6:45 AM *



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JDC


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Joined: 02/22/09

Posts: 404

RE: Question for JDC and 1Bad
06/21/09 11:59 AM

All post turbo, since I leveled out the oil to about 2/3 topping in the oil view window - this because I wanted to make sure I did not again get an oil light, on for just a flash, at high RPM speed/acceleration, like had happend a few times.

I first tried extending the oil crank hose up to the front of the bike, all up hill, with a filter on top, ending at the left air box intake ducting then removed. Any where near the filter became covered in oil and made a big mess, and enough to even start messing the outside of the bike.

I then removed the crank pick up hose from inside the oil pan, rerouted the extended external crank hose down and under the bike, so it's end is under the oil pan, at it's rear. I put a filter on that, later tried a piece of spounge, but those become saturated too quickly, so it is now open to the air.

I'm guessing I did a filter change 1 K miles ago, and when I did that I continued to fill the oil level hiigher, to allow for this blow out. So far I have had to top off once... I topped off this last time to 1/2 way in the window, from just above the lower line level in the window.

My guess that is about 4, maybe 6 oz of oil out the tube in about 1K miles, and the topping off to mid level, from the lower line level. When I get to it, I am going to extend that hose on the underside of the extended swing arm, as far back as I can.

I'm hoping that by keeping the oil level a bit lower, I won't have as much blowing out (initially). At idle you can slowly see oil fumes gather around the bike. I had thought about a catch canister to more accurately keep track of the amount of oil. Nah, I'll just refill it as needed until or unless that gets excessive.

Still seems a lot. I have no idea what oil the engine is burning up of that 4-6 oz. Before the turbo I wasn't burning any oil that I could tell, in oil changes every 1500 miles.

Bad, your question is a good one. Initially I was thinking I was having some type of problem, but the bike seems to run great, smooth... and this oil issue was only post turbo. Installing the turbo, I noted the inside of the air box very clean.

So the crank case is gettin additional pressure, is my guess, leaking from the ?

I've been using my eye to watch the amount that puddles on my oil mat below the bike after each ride. When the bike is topped of 2/3 high, I'll have maybe 1/2 teaspoon that will drip out after the bike is turned off immediately after the ride. Since lowering the level to 1/2 window, I get maybe 5-10 drops.


* Last updated by: JDC on 6/21/2009 @ 12:14 PM *

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BadinBlack


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Joined: 02/09/09

Posts: 493

RE: Question for JDC and 1Bad
06/21/09 12:37 PM

Guys thanks for getting back to me so quick You def gave me some ideas to work with I have the same turbo kit as 1Bad...and mine also came with a cone filter to mount right where the crankcase vent comes out of the motor. But with all the reports of 14's and 12's pushing oil out under boost, I figured that set-up would prolly just oil my leg and the side of the bike down So I extended it back and up. I think I'll try it as is, then maybe swap my oil pan out for the lowered one and cut the breather inside the pan if I have probs

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